People Interpret Robotic Non-linguistic Utterances Categorically

  • Read R
  • Belpaeme T
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This paper presents an experiment testing whether adults exhibit Categorical Perception when rating non-linguistic utterances, made by a Nao robot, on an affective level. This experiment followed the traditional methodology used in psychology, with some minor alterations. A stimulus continuum was produced and subjects asked to complete a discrimination and a identification task. In the former subjects were asked to rate whether stimulus pairs were affectively different while in the latter they were asked to rate single stimuli affectively using a facial gesture tool. Results present compelling evidence for the presence of Categorical Perception in this particular case.

Author-supplied keywords

  • Affective displays
  • Categorical perception
  • Multi-modal human–robot interaction
  • Non-linguistic Utterances
  • Social human–robot interaction

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  • Robin Read

  • Tony Belpaeme

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