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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
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Monsters are people too.

J Levy1, T Foulsham, A Kingstone

  • 1Lord Byng Secondary School, Vancouver, British Columbia, Canada.

Biology Letters
|November 3, 2012
PubMed
Summary
This summary is machine-generated.

Gaze following behavior is directed towards eyes, not just the middle of the face. This study shows that the oculomotor system specifically targets eyes, regardless of their position.

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Area of Science:

  • Cognitive Neuroscience
  • Comparative Psychology
  • Visual Perception

Background:

  • Gaze following is observed across species, including humans and animals.
  • Two hypotheses explain this: a dedicated neural module for eyes or configural face processing.
  • Configural face processing suggests fixation on the face's center, where eyes are typically located.

Purpose of the Study:

  • To differentiate between a dedicated eye-gaze module and configural face processing.
  • To investigate the target of the oculomotor system during gaze following.

Main Methods:

  • Participants viewed images of humans, humanoids (eyes in the middle), and monsters (eyes elsewhere).
  • Eye-tracking was used to record visual attention patterns.

Main Results:

  • A significant bias towards looking at eyes was found in humans and humanoids.
  • Crucially, observers also fixated on the eyes of monsters, irrespective of their central facial location.
  • This indicates that eyes themselves are the target, not the facial center.

Conclusions:

  • The oculomotor system is tuned to the eyes, not the center of the face.
  • Findings support a specialized mechanism for eye-gaze processing over general configural face processing.