Why bother programming facial expressions for artificial intelligence if humans are bad at recognising them?












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Set in the near future, robots and mankind coexist amicably due to the great technological advancement in robotics and artificial intelligence. They are everywhere and some took a human form. All of them are hardwired to obey the robot version of penal code which keeps updating. I kept wondering, since we are good at recognising patterns but not interpreting them, which is why awkwardness exists between people, why even bother giving robot facial expressions? They definitely don't need them for talking to another robot, plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!










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  • 1




    $begingroup$
    You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
    $endgroup$
    – Fay Suggers
    4 hours ago












  • $begingroup$
    Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
    $endgroup$
    – TitaniumTurtle
    4 hours ago










  • $begingroup$
    @TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
    $endgroup$
    – user6760
    4 hours ago






  • 3




    $begingroup$
    I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
    $endgroup$
    – Cort Ammon
    3 hours ago






  • 1




    $begingroup$
    I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
    $endgroup$
    – Cyn
    1 hour ago
















1












$begingroup$


Set in the near future, robots and mankind coexist amicably due to the great technological advancement in robotics and artificial intelligence. They are everywhere and some took a human form. All of them are hardwired to obey the robot version of penal code which keeps updating. I kept wondering, since we are good at recognising patterns but not interpreting them, which is why awkwardness exists between people, why even bother giving robot facial expressions? They definitely don't need them for talking to another robot, plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!










share|improve this question











$endgroup$








  • 1




    $begingroup$
    You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
    $endgroup$
    – Fay Suggers
    4 hours ago












  • $begingroup$
    Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
    $endgroup$
    – TitaniumTurtle
    4 hours ago










  • $begingroup$
    @TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
    $endgroup$
    – user6760
    4 hours ago






  • 3




    $begingroup$
    I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
    $endgroup$
    – Cort Ammon
    3 hours ago






  • 1




    $begingroup$
    I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
    $endgroup$
    – Cyn
    1 hour ago














1












1








1





$begingroup$


Set in the near future, robots and mankind coexist amicably due to the great technological advancement in robotics and artificial intelligence. They are everywhere and some took a human form. All of them are hardwired to obey the robot version of penal code which keeps updating. I kept wondering, since we are good at recognising patterns but not interpreting them, which is why awkwardness exists between people, why even bother giving robot facial expressions? They definitely don't need them for talking to another robot, plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!










share|improve this question











$endgroup$




Set in the near future, robots and mankind coexist amicably due to the great technological advancement in robotics and artificial intelligence. They are everywhere and some took a human form. All of them are hardwired to obey the robot version of penal code which keeps updating. I kept wondering, since we are good at recognising patterns but not interpreting them, which is why awkwardness exists between people, why even bother giving robot facial expressions? They definitely don't need them for talking to another robot, plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!







humans communication artificial-intelligence robots






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 4 hours ago









Cyn

7,72511241




7,72511241










asked 4 hours ago









user6760user6760

11.8k1364139




11.8k1364139








  • 1




    $begingroup$
    You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
    $endgroup$
    – Fay Suggers
    4 hours ago












  • $begingroup$
    Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
    $endgroup$
    – TitaniumTurtle
    4 hours ago










  • $begingroup$
    @TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
    $endgroup$
    – user6760
    4 hours ago






  • 3




    $begingroup$
    I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
    $endgroup$
    – Cort Ammon
    3 hours ago






  • 1




    $begingroup$
    I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
    $endgroup$
    – Cyn
    1 hour ago














  • 1




    $begingroup$
    You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
    $endgroup$
    – Fay Suggers
    4 hours ago












  • $begingroup$
    Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
    $endgroup$
    – TitaniumTurtle
    4 hours ago










  • $begingroup$
    @TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
    $endgroup$
    – user6760
    4 hours ago






  • 3




    $begingroup$
    I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
    $endgroup$
    – Cort Ammon
    3 hours ago






  • 1




    $begingroup$
    I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
    $endgroup$
    – Cyn
    1 hour ago








1




1




$begingroup$
You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
$endgroup$
– Fay Suggers
4 hours ago






$begingroup$
You say - "we are good at recognising pattern but not interpreting them". Are you creating a world of autistism, aspergers, or sociopathy. What are you saying? You are perhaps refering to the uncanny valley, but how does that relate to a world that you're creating?
$endgroup$
– Fay Suggers
4 hours ago














$begingroup$
Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
$endgroup$
– TitaniumTurtle
4 hours ago




$begingroup$
Are you basing this on a specific quality of your universe, or just your personal opinion? If it is your opinion then why do you think humans are bad at recognizing facial expressions? What would you categorize as good? I personally can't think of anything better than humans at recognizing facial expressions. Robots can only learn what we tell them, and even then often miss the subtle intricacies. I'm going to have to say I think you have a flawed premise...
$endgroup$
– TitaniumTurtle
4 hours ago












$begingroup$
@TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
$endgroup$
– user6760
4 hours ago




$begingroup$
@TitaniumTurtle: these are my own opinion but I did mentioned that we are good at recognising a pattern the awkwardness come when different people trying to interpret the same pattern.
$endgroup$
– user6760
4 hours ago




3




3




$begingroup$
I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
$endgroup$
– Cort Ammon
3 hours ago




$begingroup$
I'd say humans are massively good at recognizing facial expressions. The issue is merely that we're so good at them that we consider minor mistakes in nuanced symbols to be major failures.
$endgroup$
– Cort Ammon
3 hours ago




1




1




$begingroup$
I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
$endgroup$
– Cyn
1 hour ago




$begingroup$
I think it's a good question, badly asked. I hope the OP reworks it a bit. I'm voting to leave open.
$endgroup$
– Cyn
1 hour ago










3 Answers
3






active

oldest

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6












$begingroup$

Humans are actually very good at recognizing facial expressions and body language.



While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. Assuming unimpaired vision and intelligence, humans use facial expressions to tell who among a group of people is talking, what or whom the person is referring to (because of their gaze)...at least a good guess, and many other things.



Maybe you don't know if someone is slightly annoyed vs upset, or maybe you can't tell if someone is joking, but that's as much word-choice and tone of voice as it is facial expressions. The number of things that people pick up from other people, or from animals, is much larger than you might think. If you're not sure of that, talk to someone who is blind. Or compare conversations on the phone or online with in-person ones.



Another way to look at facial expressions is as a subset of the larger set of non-verbal communication of body language and signaling.



From Turn Signals Are the Facial Expressions of Automobiles by Donald Norman.




Social cooperation requires signals, ways of letting others know one's
actions and intentions. Moreover, it is useful to know reactions to
actions: how do others perceive them? The most powerful method of
signaling, of course, is through language. Emotions, especially the
outward signaling of emotions, play equally important roles. Emotional
and facial expressions are simple signal systems that allow us to
communicate to others our own internal states. In fact, emotions can
act as a communication medium within an individual, helping bridge the
gap between internal, subconscious states and conscious ones.



As I study the interaction of people with technology, I am not happy
with what I see. In some sense, you might say, my goal is to socialize
technology. Right now, technology lacks social graces. The machine
sits there, placid, demanding. It tends to interact only in order to
demand attention, not to communicate, not to interact gracefully.
People and social animals have evolved a wide range of signaling
systems, the better to make their interactions pleasant and
productive. One way to understand the deficiencies of today's
technologies and to see how they might improve is to examine the route
that natural evolution has taken. You know the old saying that history
repeats itself, that those that who fail to study the lessons of
history are doomed to repeat its failures? Well, I think the analogous
statement applies to evolution and technology: those who are unaware
of the lessons of biological evolution are doomed to repeat its
failures.




So, yes, robots need facial expressions. They need external signals in addition to spoken or written or signed language. But they don't have to mimic human expressions. You're right that it is jarring to see fake expressions. If done right, however, they wouldn't be fake, they'd just be specific to a robot. If they are just different enough that they're obviously not human, but not so different that you can't pick up on them right away, you've hit the sweet spot.






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    Humans are some of the most advanced pattern recognition and actionary machines that have ever existed. So capable in fact that they have theories of mater (physics/chemistry/geology/...) and theories of what maters (psychology/religion/philosophy/...).



    Given that it takes nearly 30 years to train most specimens to be expert recognisers in a given field of endevour, should underline the difficulty of actually grouping various states of the universe into manageable and actionable patterns.



    In your world robots act as autonomous embodied entities. They are capable of communicating at speed with other similar entities using a range of network technologies. This allows them to communicate fairly clearly about a range of topics but they too hit limitations.




    • Radiowaves have limited bandwidth and everyone can hear them

    • lasers require line of sight, and dust can cause errors

    • network cables are high bandwidth but tether the robot to a specific vicinity


    This places an upper limit on the ability of these entities to communicate effectively. Also there are entities out there that are not robots. It might pay to be able to communicate with those too.



    If the robot was the size of a butterfly, aside from having limited mind/communication space, its likely that birds will treat it as food. The robot probably has the ability to shock the bird, but it might pay to communicate to the bird before it tries that eating the robot is a bad idea. Being a bright iridescent red/yellow is the general approach used by poisonous caterpillars, and generally birds respect that. After all the robot might actually be running low on power when the bird shows up.



    Scale this up and there are a wide variety of organisms running around where it might pay better to communicate with than ignore. Particularly those two-legged simians, there are a few of them, they are pretty inventive, and quite happy to do boring repetitive tasks. Perhaps if the communication happened well enough they might be put to use inventing, and dealing with irritations?



    Even without all of these other organisms hanging around, the simple fact that these technologies have bandwidth limitations is a problem - Communication is insanely important if you desire to reduce the frequency and severity of problems encountered while existing. There are a few more technological channels that would be useful, but it is relatively simple to adopt proven modes of communication:




    • colouration (i am poisonous, i don't care if you recognise me/I'm not good news)

    • hearing (locate movement, location, as well as conceptual information)

    • vocalisation/stridulation (location as well as conceptual information, ready to fight, ready to mate, ready to serve)

    • dance/movement displays (are you willing to invest energy into demonstrating capability, should I press the point to the next level?)

    • faces


      • eyes (what are you interested in/looking at?)

      • eyebrows (are you exploring/frustrated/contented?)

      • teeth (are you indicating dominance/subserviance, will you challenge me?)



    • posture/stance (are you ready? what are you ready to do?)


    Obviously no two robots need to have the full or even the same range of communication methods. Many creatures even in the same species have varied capacities. An obvious example is red/green colour blindness in humans.



    So do robots need faces? No.



    Would robots significantly benefit from having faces? Yes.






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      Humans teach other humans in formal positions to use facial expressions when communicating. When someone is representing an organization or group, the message or information they are speaking more often than not has no connection to their personal opinion. As a result we teach humans in these positions to use a facial expression that communicates the "emotive" part of the message the organization/group wants to get across.



      Well if we think that's appropriate for humans, we certainly will do it for robots if we can.




      They definitely don't need them for talking to another robot




      I suspect it could be used as part of robot-robot interaction as well. There are environments where it would be too loud to use audio, too problematic to use e.g. radio based communications and all you may have is the visual. It might be better to implement a custom set of robot-robot expressions for some comms.




      plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!




      I know the smile on the sales person's face is fake too, but it had better be there or no sale ! We expect facial and body language to match words and we treat inconsistencies as suspicious. That's how humans work and why good communicators spend a lot of time learning to make it all look natural, even when it isn't.



      The other side of this is that humans need facial expressions to match what they expect. A robot which has a hardwired smile or scowl would give a very disconcerting feeling to a human in the wrong context.



      "I hope you enjoyed your stay with us ?" is going to feel very creepy to a human coming from a robot with a scowl or sneer (or something that could be read that way by a human) than from something with a pattern that's more easily interpreted as friendly.



      So the human-like expressions would be useful to humans, avoiding emotional dissonance that would put us off.



      We even treat animals like this - we learn to interpret their expressions and body language and "map" human meaning onto them. It's an important part of how we interpret interactions with the world. We do extend this to in-animate objects - signs, logos, advertising.



      So facial expressions we can read easily would be there to make humans comfortable and make communications more effective.






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        3 Answers
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        3 Answers
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        6












        $begingroup$

        Humans are actually very good at recognizing facial expressions and body language.



        While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. Assuming unimpaired vision and intelligence, humans use facial expressions to tell who among a group of people is talking, what or whom the person is referring to (because of their gaze)...at least a good guess, and many other things.



        Maybe you don't know if someone is slightly annoyed vs upset, or maybe you can't tell if someone is joking, but that's as much word-choice and tone of voice as it is facial expressions. The number of things that people pick up from other people, or from animals, is much larger than you might think. If you're not sure of that, talk to someone who is blind. Or compare conversations on the phone or online with in-person ones.



        Another way to look at facial expressions is as a subset of the larger set of non-verbal communication of body language and signaling.



        From Turn Signals Are the Facial Expressions of Automobiles by Donald Norman.




        Social cooperation requires signals, ways of letting others know one's
        actions and intentions. Moreover, it is useful to know reactions to
        actions: how do others perceive them? The most powerful method of
        signaling, of course, is through language. Emotions, especially the
        outward signaling of emotions, play equally important roles. Emotional
        and facial expressions are simple signal systems that allow us to
        communicate to others our own internal states. In fact, emotions can
        act as a communication medium within an individual, helping bridge the
        gap between internal, subconscious states and conscious ones.



        As I study the interaction of people with technology, I am not happy
        with what I see. In some sense, you might say, my goal is to socialize
        technology. Right now, technology lacks social graces. The machine
        sits there, placid, demanding. It tends to interact only in order to
        demand attention, not to communicate, not to interact gracefully.
        People and social animals have evolved a wide range of signaling
        systems, the better to make their interactions pleasant and
        productive. One way to understand the deficiencies of today's
        technologies and to see how they might improve is to examine the route
        that natural evolution has taken. You know the old saying that history
        repeats itself, that those that who fail to study the lessons of
        history are doomed to repeat its failures? Well, I think the analogous
        statement applies to evolution and technology: those who are unaware
        of the lessons of biological evolution are doomed to repeat its
        failures.




        So, yes, robots need facial expressions. They need external signals in addition to spoken or written or signed language. But they don't have to mimic human expressions. You're right that it is jarring to see fake expressions. If done right, however, they wouldn't be fake, they'd just be specific to a robot. If they are just different enough that they're obviously not human, but not so different that you can't pick up on them right away, you've hit the sweet spot.






        share|improve this answer









        $endgroup$


















          6












          $begingroup$

          Humans are actually very good at recognizing facial expressions and body language.



          While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. Assuming unimpaired vision and intelligence, humans use facial expressions to tell who among a group of people is talking, what or whom the person is referring to (because of their gaze)...at least a good guess, and many other things.



          Maybe you don't know if someone is slightly annoyed vs upset, or maybe you can't tell if someone is joking, but that's as much word-choice and tone of voice as it is facial expressions. The number of things that people pick up from other people, or from animals, is much larger than you might think. If you're not sure of that, talk to someone who is blind. Or compare conversations on the phone or online with in-person ones.



          Another way to look at facial expressions is as a subset of the larger set of non-verbal communication of body language and signaling.



          From Turn Signals Are the Facial Expressions of Automobiles by Donald Norman.




          Social cooperation requires signals, ways of letting others know one's
          actions and intentions. Moreover, it is useful to know reactions to
          actions: how do others perceive them? The most powerful method of
          signaling, of course, is through language. Emotions, especially the
          outward signaling of emotions, play equally important roles. Emotional
          and facial expressions are simple signal systems that allow us to
          communicate to others our own internal states. In fact, emotions can
          act as a communication medium within an individual, helping bridge the
          gap between internal, subconscious states and conscious ones.



          As I study the interaction of people with technology, I am not happy
          with what I see. In some sense, you might say, my goal is to socialize
          technology. Right now, technology lacks social graces. The machine
          sits there, placid, demanding. It tends to interact only in order to
          demand attention, not to communicate, not to interact gracefully.
          People and social animals have evolved a wide range of signaling
          systems, the better to make their interactions pleasant and
          productive. One way to understand the deficiencies of today's
          technologies and to see how they might improve is to examine the route
          that natural evolution has taken. You know the old saying that history
          repeats itself, that those that who fail to study the lessons of
          history are doomed to repeat its failures? Well, I think the analogous
          statement applies to evolution and technology: those who are unaware
          of the lessons of biological evolution are doomed to repeat its
          failures.




          So, yes, robots need facial expressions. They need external signals in addition to spoken or written or signed language. But they don't have to mimic human expressions. You're right that it is jarring to see fake expressions. If done right, however, they wouldn't be fake, they'd just be specific to a robot. If they are just different enough that they're obviously not human, but not so different that you can't pick up on them right away, you've hit the sweet spot.






          share|improve this answer









          $endgroup$
















            6












            6








            6





            $begingroup$

            Humans are actually very good at recognizing facial expressions and body language.



            While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. Assuming unimpaired vision and intelligence, humans use facial expressions to tell who among a group of people is talking, what or whom the person is referring to (because of their gaze)...at least a good guess, and many other things.



            Maybe you don't know if someone is slightly annoyed vs upset, or maybe you can't tell if someone is joking, but that's as much word-choice and tone of voice as it is facial expressions. The number of things that people pick up from other people, or from animals, is much larger than you might think. If you're not sure of that, talk to someone who is blind. Or compare conversations on the phone or online with in-person ones.



            Another way to look at facial expressions is as a subset of the larger set of non-verbal communication of body language and signaling.



            From Turn Signals Are the Facial Expressions of Automobiles by Donald Norman.




            Social cooperation requires signals, ways of letting others know one's
            actions and intentions. Moreover, it is useful to know reactions to
            actions: how do others perceive them? The most powerful method of
            signaling, of course, is through language. Emotions, especially the
            outward signaling of emotions, play equally important roles. Emotional
            and facial expressions are simple signal systems that allow us to
            communicate to others our own internal states. In fact, emotions can
            act as a communication medium within an individual, helping bridge the
            gap between internal, subconscious states and conscious ones.



            As I study the interaction of people with technology, I am not happy
            with what I see. In some sense, you might say, my goal is to socialize
            technology. Right now, technology lacks social graces. The machine
            sits there, placid, demanding. It tends to interact only in order to
            demand attention, not to communicate, not to interact gracefully.
            People and social animals have evolved a wide range of signaling
            systems, the better to make their interactions pleasant and
            productive. One way to understand the deficiencies of today's
            technologies and to see how they might improve is to examine the route
            that natural evolution has taken. You know the old saying that history
            repeats itself, that those that who fail to study the lessons of
            history are doomed to repeat its failures? Well, I think the analogous
            statement applies to evolution and technology: those who are unaware
            of the lessons of biological evolution are doomed to repeat its
            failures.




            So, yes, robots need facial expressions. They need external signals in addition to spoken or written or signed language. But they don't have to mimic human expressions. You're right that it is jarring to see fake expressions. If done right, however, they wouldn't be fake, they'd just be specific to a robot. If they are just different enough that they're obviously not human, but not so different that you can't pick up on them right away, you've hit the sweet spot.






            share|improve this answer









            $endgroup$



            Humans are actually very good at recognizing facial expressions and body language.



            While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. Assuming unimpaired vision and intelligence, humans use facial expressions to tell who among a group of people is talking, what or whom the person is referring to (because of their gaze)...at least a good guess, and many other things.



            Maybe you don't know if someone is slightly annoyed vs upset, or maybe you can't tell if someone is joking, but that's as much word-choice and tone of voice as it is facial expressions. The number of things that people pick up from other people, or from animals, is much larger than you might think. If you're not sure of that, talk to someone who is blind. Or compare conversations on the phone or online with in-person ones.



            Another way to look at facial expressions is as a subset of the larger set of non-verbal communication of body language and signaling.



            From Turn Signals Are the Facial Expressions of Automobiles by Donald Norman.




            Social cooperation requires signals, ways of letting others know one's
            actions and intentions. Moreover, it is useful to know reactions to
            actions: how do others perceive them? The most powerful method of
            signaling, of course, is through language. Emotions, especially the
            outward signaling of emotions, play equally important roles. Emotional
            and facial expressions are simple signal systems that allow us to
            communicate to others our own internal states. In fact, emotions can
            act as a communication medium within an individual, helping bridge the
            gap between internal, subconscious states and conscious ones.



            As I study the interaction of people with technology, I am not happy
            with what I see. In some sense, you might say, my goal is to socialize
            technology. Right now, technology lacks social graces. The machine
            sits there, placid, demanding. It tends to interact only in order to
            demand attention, not to communicate, not to interact gracefully.
            People and social animals have evolved a wide range of signaling
            systems, the better to make their interactions pleasant and
            productive. One way to understand the deficiencies of today's
            technologies and to see how they might improve is to examine the route
            that natural evolution has taken. You know the old saying that history
            repeats itself, that those that who fail to study the lessons of
            history are doomed to repeat its failures? Well, I think the analogous
            statement applies to evolution and technology: those who are unaware
            of the lessons of biological evolution are doomed to repeat its
            failures.




            So, yes, robots need facial expressions. They need external signals in addition to spoken or written or signed language. But they don't have to mimic human expressions. You're right that it is jarring to see fake expressions. If done right, however, they wouldn't be fake, they'd just be specific to a robot. If they are just different enough that they're obviously not human, but not so different that you can't pick up on them right away, you've hit the sweet spot.







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered 4 hours ago









            CynCyn

            7,72511241




            7,72511241























                1












                $begingroup$

                Humans are some of the most advanced pattern recognition and actionary machines that have ever existed. So capable in fact that they have theories of mater (physics/chemistry/geology/...) and theories of what maters (psychology/religion/philosophy/...).



                Given that it takes nearly 30 years to train most specimens to be expert recognisers in a given field of endevour, should underline the difficulty of actually grouping various states of the universe into manageable and actionable patterns.



                In your world robots act as autonomous embodied entities. They are capable of communicating at speed with other similar entities using a range of network technologies. This allows them to communicate fairly clearly about a range of topics but they too hit limitations.




                • Radiowaves have limited bandwidth and everyone can hear them

                • lasers require line of sight, and dust can cause errors

                • network cables are high bandwidth but tether the robot to a specific vicinity


                This places an upper limit on the ability of these entities to communicate effectively. Also there are entities out there that are not robots. It might pay to be able to communicate with those too.



                If the robot was the size of a butterfly, aside from having limited mind/communication space, its likely that birds will treat it as food. The robot probably has the ability to shock the bird, but it might pay to communicate to the bird before it tries that eating the robot is a bad idea. Being a bright iridescent red/yellow is the general approach used by poisonous caterpillars, and generally birds respect that. After all the robot might actually be running low on power when the bird shows up.



                Scale this up and there are a wide variety of organisms running around where it might pay better to communicate with than ignore. Particularly those two-legged simians, there are a few of them, they are pretty inventive, and quite happy to do boring repetitive tasks. Perhaps if the communication happened well enough they might be put to use inventing, and dealing with irritations?



                Even without all of these other organisms hanging around, the simple fact that these technologies have bandwidth limitations is a problem - Communication is insanely important if you desire to reduce the frequency and severity of problems encountered while existing. There are a few more technological channels that would be useful, but it is relatively simple to adopt proven modes of communication:




                • colouration (i am poisonous, i don't care if you recognise me/I'm not good news)

                • hearing (locate movement, location, as well as conceptual information)

                • vocalisation/stridulation (location as well as conceptual information, ready to fight, ready to mate, ready to serve)

                • dance/movement displays (are you willing to invest energy into demonstrating capability, should I press the point to the next level?)

                • faces


                  • eyes (what are you interested in/looking at?)

                  • eyebrows (are you exploring/frustrated/contented?)

                  • teeth (are you indicating dominance/subserviance, will you challenge me?)



                • posture/stance (are you ready? what are you ready to do?)


                Obviously no two robots need to have the full or even the same range of communication methods. Many creatures even in the same species have varied capacities. An obvious example is red/green colour blindness in humans.



                So do robots need faces? No.



                Would robots significantly benefit from having faces? Yes.






                share|improve this answer









                $endgroup$


















                  1












                  $begingroup$

                  Humans are some of the most advanced pattern recognition and actionary machines that have ever existed. So capable in fact that they have theories of mater (physics/chemistry/geology/...) and theories of what maters (psychology/religion/philosophy/...).



                  Given that it takes nearly 30 years to train most specimens to be expert recognisers in a given field of endevour, should underline the difficulty of actually grouping various states of the universe into manageable and actionable patterns.



                  In your world robots act as autonomous embodied entities. They are capable of communicating at speed with other similar entities using a range of network technologies. This allows them to communicate fairly clearly about a range of topics but they too hit limitations.




                  • Radiowaves have limited bandwidth and everyone can hear them

                  • lasers require line of sight, and dust can cause errors

                  • network cables are high bandwidth but tether the robot to a specific vicinity


                  This places an upper limit on the ability of these entities to communicate effectively. Also there are entities out there that are not robots. It might pay to be able to communicate with those too.



                  If the robot was the size of a butterfly, aside from having limited mind/communication space, its likely that birds will treat it as food. The robot probably has the ability to shock the bird, but it might pay to communicate to the bird before it tries that eating the robot is a bad idea. Being a bright iridescent red/yellow is the general approach used by poisonous caterpillars, and generally birds respect that. After all the robot might actually be running low on power when the bird shows up.



                  Scale this up and there are a wide variety of organisms running around where it might pay better to communicate with than ignore. Particularly those two-legged simians, there are a few of them, they are pretty inventive, and quite happy to do boring repetitive tasks. Perhaps if the communication happened well enough they might be put to use inventing, and dealing with irritations?



                  Even without all of these other organisms hanging around, the simple fact that these technologies have bandwidth limitations is a problem - Communication is insanely important if you desire to reduce the frequency and severity of problems encountered while existing. There are a few more technological channels that would be useful, but it is relatively simple to adopt proven modes of communication:




                  • colouration (i am poisonous, i don't care if you recognise me/I'm not good news)

                  • hearing (locate movement, location, as well as conceptual information)

                  • vocalisation/stridulation (location as well as conceptual information, ready to fight, ready to mate, ready to serve)

                  • dance/movement displays (are you willing to invest energy into demonstrating capability, should I press the point to the next level?)

                  • faces


                    • eyes (what are you interested in/looking at?)

                    • eyebrows (are you exploring/frustrated/contented?)

                    • teeth (are you indicating dominance/subserviance, will you challenge me?)



                  • posture/stance (are you ready? what are you ready to do?)


                  Obviously no two robots need to have the full or even the same range of communication methods. Many creatures even in the same species have varied capacities. An obvious example is red/green colour blindness in humans.



                  So do robots need faces? No.



                  Would robots significantly benefit from having faces? Yes.






                  share|improve this answer









                  $endgroup$
















                    1












                    1








                    1





                    $begingroup$

                    Humans are some of the most advanced pattern recognition and actionary machines that have ever existed. So capable in fact that they have theories of mater (physics/chemistry/geology/...) and theories of what maters (psychology/religion/philosophy/...).



                    Given that it takes nearly 30 years to train most specimens to be expert recognisers in a given field of endevour, should underline the difficulty of actually grouping various states of the universe into manageable and actionable patterns.



                    In your world robots act as autonomous embodied entities. They are capable of communicating at speed with other similar entities using a range of network technologies. This allows them to communicate fairly clearly about a range of topics but they too hit limitations.




                    • Radiowaves have limited bandwidth and everyone can hear them

                    • lasers require line of sight, and dust can cause errors

                    • network cables are high bandwidth but tether the robot to a specific vicinity


                    This places an upper limit on the ability of these entities to communicate effectively. Also there are entities out there that are not robots. It might pay to be able to communicate with those too.



                    If the robot was the size of a butterfly, aside from having limited mind/communication space, its likely that birds will treat it as food. The robot probably has the ability to shock the bird, but it might pay to communicate to the bird before it tries that eating the robot is a bad idea. Being a bright iridescent red/yellow is the general approach used by poisonous caterpillars, and generally birds respect that. After all the robot might actually be running low on power when the bird shows up.



                    Scale this up and there are a wide variety of organisms running around where it might pay better to communicate with than ignore. Particularly those two-legged simians, there are a few of them, they are pretty inventive, and quite happy to do boring repetitive tasks. Perhaps if the communication happened well enough they might be put to use inventing, and dealing with irritations?



                    Even without all of these other organisms hanging around, the simple fact that these technologies have bandwidth limitations is a problem - Communication is insanely important if you desire to reduce the frequency and severity of problems encountered while existing. There are a few more technological channels that would be useful, but it is relatively simple to adopt proven modes of communication:




                    • colouration (i am poisonous, i don't care if you recognise me/I'm not good news)

                    • hearing (locate movement, location, as well as conceptual information)

                    • vocalisation/stridulation (location as well as conceptual information, ready to fight, ready to mate, ready to serve)

                    • dance/movement displays (are you willing to invest energy into demonstrating capability, should I press the point to the next level?)

                    • faces


                      • eyes (what are you interested in/looking at?)

                      • eyebrows (are you exploring/frustrated/contented?)

                      • teeth (are you indicating dominance/subserviance, will you challenge me?)



                    • posture/stance (are you ready? what are you ready to do?)


                    Obviously no two robots need to have the full or even the same range of communication methods. Many creatures even in the same species have varied capacities. An obvious example is red/green colour blindness in humans.



                    So do robots need faces? No.



                    Would robots significantly benefit from having faces? Yes.






                    share|improve this answer









                    $endgroup$



                    Humans are some of the most advanced pattern recognition and actionary machines that have ever existed. So capable in fact that they have theories of mater (physics/chemistry/geology/...) and theories of what maters (psychology/religion/philosophy/...).



                    Given that it takes nearly 30 years to train most specimens to be expert recognisers in a given field of endevour, should underline the difficulty of actually grouping various states of the universe into manageable and actionable patterns.



                    In your world robots act as autonomous embodied entities. They are capable of communicating at speed with other similar entities using a range of network technologies. This allows them to communicate fairly clearly about a range of topics but they too hit limitations.




                    • Radiowaves have limited bandwidth and everyone can hear them

                    • lasers require line of sight, and dust can cause errors

                    • network cables are high bandwidth but tether the robot to a specific vicinity


                    This places an upper limit on the ability of these entities to communicate effectively. Also there are entities out there that are not robots. It might pay to be able to communicate with those too.



                    If the robot was the size of a butterfly, aside from having limited mind/communication space, its likely that birds will treat it as food. The robot probably has the ability to shock the bird, but it might pay to communicate to the bird before it tries that eating the robot is a bad idea. Being a bright iridescent red/yellow is the general approach used by poisonous caterpillars, and generally birds respect that. After all the robot might actually be running low on power when the bird shows up.



                    Scale this up and there are a wide variety of organisms running around where it might pay better to communicate with than ignore. Particularly those two-legged simians, there are a few of them, they are pretty inventive, and quite happy to do boring repetitive tasks. Perhaps if the communication happened well enough they might be put to use inventing, and dealing with irritations?



                    Even without all of these other organisms hanging around, the simple fact that these technologies have bandwidth limitations is a problem - Communication is insanely important if you desire to reduce the frequency and severity of problems encountered while existing. There are a few more technological channels that would be useful, but it is relatively simple to adopt proven modes of communication:




                    • colouration (i am poisonous, i don't care if you recognise me/I'm not good news)

                    • hearing (locate movement, location, as well as conceptual information)

                    • vocalisation/stridulation (location as well as conceptual information, ready to fight, ready to mate, ready to serve)

                    • dance/movement displays (are you willing to invest energy into demonstrating capability, should I press the point to the next level?)

                    • faces


                      • eyes (what are you interested in/looking at?)

                      • eyebrows (are you exploring/frustrated/contented?)

                      • teeth (are you indicating dominance/subserviance, will you challenge me?)



                    • posture/stance (are you ready? what are you ready to do?)


                    Obviously no two robots need to have the full or even the same range of communication methods. Many creatures even in the same species have varied capacities. An obvious example is red/green colour blindness in humans.



                    So do robots need faces? No.



                    Would robots significantly benefit from having faces? Yes.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered 3 hours ago









                    Kain0_0Kain0_0

                    1,5748




                    1,5748























                        1












                        $begingroup$

                        Humans teach other humans in formal positions to use facial expressions when communicating. When someone is representing an organization or group, the message or information they are speaking more often than not has no connection to their personal opinion. As a result we teach humans in these positions to use a facial expression that communicates the "emotive" part of the message the organization/group wants to get across.



                        Well if we think that's appropriate for humans, we certainly will do it for robots if we can.




                        They definitely don't need them for talking to another robot




                        I suspect it could be used as part of robot-robot interaction as well. There are environments where it would be too loud to use audio, too problematic to use e.g. radio based communications and all you may have is the visual. It might be better to implement a custom set of robot-robot expressions for some comms.




                        plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!




                        I know the smile on the sales person's face is fake too, but it had better be there or no sale ! We expect facial and body language to match words and we treat inconsistencies as suspicious. That's how humans work and why good communicators spend a lot of time learning to make it all look natural, even when it isn't.



                        The other side of this is that humans need facial expressions to match what they expect. A robot which has a hardwired smile or scowl would give a very disconcerting feeling to a human in the wrong context.



                        "I hope you enjoyed your stay with us ?" is going to feel very creepy to a human coming from a robot with a scowl or sneer (or something that could be read that way by a human) than from something with a pattern that's more easily interpreted as friendly.



                        So the human-like expressions would be useful to humans, avoiding emotional dissonance that would put us off.



                        We even treat animals like this - we learn to interpret their expressions and body language and "map" human meaning onto them. It's an important part of how we interpret interactions with the world. We do extend this to in-animate objects - signs, logos, advertising.



                        So facial expressions we can read easily would be there to make humans comfortable and make communications more effective.






                        share|improve this answer











                        $endgroup$


















                          1












                          $begingroup$

                          Humans teach other humans in formal positions to use facial expressions when communicating. When someone is representing an organization or group, the message or information they are speaking more often than not has no connection to their personal opinion. As a result we teach humans in these positions to use a facial expression that communicates the "emotive" part of the message the organization/group wants to get across.



                          Well if we think that's appropriate for humans, we certainly will do it for robots if we can.




                          They definitely don't need them for talking to another robot




                          I suspect it could be used as part of robot-robot interaction as well. There are environments where it would be too loud to use audio, too problematic to use e.g. radio based communications and all you may have is the visual. It might be better to implement a custom set of robot-robot expressions for some comms.




                          plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!




                          I know the smile on the sales person's face is fake too, but it had better be there or no sale ! We expect facial and body language to match words and we treat inconsistencies as suspicious. That's how humans work and why good communicators spend a lot of time learning to make it all look natural, even when it isn't.



                          The other side of this is that humans need facial expressions to match what they expect. A robot which has a hardwired smile or scowl would give a very disconcerting feeling to a human in the wrong context.



                          "I hope you enjoyed your stay with us ?" is going to feel very creepy to a human coming from a robot with a scowl or sneer (or something that could be read that way by a human) than from something with a pattern that's more easily interpreted as friendly.



                          So the human-like expressions would be useful to humans, avoiding emotional dissonance that would put us off.



                          We even treat animals like this - we learn to interpret their expressions and body language and "map" human meaning onto them. It's an important part of how we interpret interactions with the world. We do extend this to in-animate objects - signs, logos, advertising.



                          So facial expressions we can read easily would be there to make humans comfortable and make communications more effective.






                          share|improve this answer











                          $endgroup$
















                            1












                            1








                            1





                            $begingroup$

                            Humans teach other humans in formal positions to use facial expressions when communicating. When someone is representing an organization or group, the message or information they are speaking more often than not has no connection to their personal opinion. As a result we teach humans in these positions to use a facial expression that communicates the "emotive" part of the message the organization/group wants to get across.



                            Well if we think that's appropriate for humans, we certainly will do it for robots if we can.




                            They definitely don't need them for talking to another robot




                            I suspect it could be used as part of robot-robot interaction as well. There are environments where it would be too loud to use audio, too problematic to use e.g. radio based communications and all you may have is the visual. It might be better to implement a custom set of robot-robot expressions for some comms.




                            plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!




                            I know the smile on the sales person's face is fake too, but it had better be there or no sale ! We expect facial and body language to match words and we treat inconsistencies as suspicious. That's how humans work and why good communicators spend a lot of time learning to make it all look natural, even when it isn't.



                            The other side of this is that humans need facial expressions to match what they expect. A robot which has a hardwired smile or scowl would give a very disconcerting feeling to a human in the wrong context.



                            "I hope you enjoyed your stay with us ?" is going to feel very creepy to a human coming from a robot with a scowl or sneer (or something that could be read that way by a human) than from something with a pattern that's more easily interpreted as friendly.



                            So the human-like expressions would be useful to humans, avoiding emotional dissonance that would put us off.



                            We even treat animals like this - we learn to interpret their expressions and body language and "map" human meaning onto them. It's an important part of how we interpret interactions with the world. We do extend this to in-animate objects - signs, logos, advertising.



                            So facial expressions we can read easily would be there to make humans comfortable and make communications more effective.






                            share|improve this answer











                            $endgroup$



                            Humans teach other humans in formal positions to use facial expressions when communicating. When someone is representing an organization or group, the message or information they are speaking more often than not has no connection to their personal opinion. As a result we teach humans in these positions to use a facial expression that communicates the "emotive" part of the message the organization/group wants to get across.



                            Well if we think that's appropriate for humans, we certainly will do it for robots if we can.




                            They definitely don't need them for talking to another robot




                            I suspect it could be used as part of robot-robot interaction as well. There are environments where it would be too loud to use audio, too problematic to use e.g. radio based communications and all you may have is the visual. It might be better to implement a custom set of robot-robot expressions for some comms.




                            plus it will undoubtedly be awkward for us too, I suppose, because we all know they are fake!




                            I know the smile on the sales person's face is fake too, but it had better be there or no sale ! We expect facial and body language to match words and we treat inconsistencies as suspicious. That's how humans work and why good communicators spend a lot of time learning to make it all look natural, even when it isn't.



                            The other side of this is that humans need facial expressions to match what they expect. A robot which has a hardwired smile or scowl would give a very disconcerting feeling to a human in the wrong context.



                            "I hope you enjoyed your stay with us ?" is going to feel very creepy to a human coming from a robot with a scowl or sneer (or something that could be read that way by a human) than from something with a pattern that's more easily interpreted as friendly.



                            So the human-like expressions would be useful to humans, avoiding emotional dissonance that would put us off.



                            We even treat animals like this - we learn to interpret their expressions and body language and "map" human meaning onto them. It's an important part of how we interpret interactions with the world. We do extend this to in-animate objects - signs, logos, advertising.



                            So facial expressions we can read easily would be there to make humans comfortable and make communications more effective.







                            share|improve this answer














                            share|improve this answer



                            share|improve this answer








                            edited 24 mins ago

























                            answered 2 hours ago









                            StephenGStephenG

                            13.7k72051




                            13.7k72051






























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