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Related Experiment Video

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Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Biological Sex Determines Whether Faces Look Real.

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Distinguishing real from artificial faces is quick and accurate. Study finds female faces appear more artificial, and artificial faces appear more female, influencing animacy perception.

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Animacy PerceptionFace perceptionGender ClassificationSex effects

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Area of Science:

  • Cognitive Psychology
  • Computer Vision
  • Social Psychology

Background:

  • Human face perception is remarkably robust, even with degraded visual input.
  • The perception of animacy in faces is influenced by feature diagnosticity and face space tuning.
  • Previous research has not fully explored the interplay between perceived animacy, face authenticity, and sex categorization.

Purpose of the Study:

  • To investigate how stimulus sex influences the perception of animacy in real and artificial faces.
  • To determine if sex categorization interacts with judgments of face authenticity and animacy.
  • To explore the potential ecological and social factors underlying these perceptions.

Main Methods:

  • Participants judged the animacy and sex of real and artificial faces.
  • Stimuli were systematically varied to include different sex categories.
  • Statistical analyses characterized animacy judgments as a function of stimulus sex.

Main Results:

  • Stimulus sex significantly affected subjective ratings of animacy for both real and artificial faces.
  • Female faces were rated as more artificial compared to male faces.
  • Artificial faces were more frequently categorized as female than real faces.

Conclusions:

  • Perceived sex and authenticity of faces are intertwined, influencing animacy judgments.
  • Visual experience with artificial female faces and the objectification of female faces may contribute to these findings.
  • Face perception mechanisms are sensitive to both biological and artificial stimulus properties, modulated by social categories.