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Gaze patterns in viewing static and dynamic body expressions.

Petra M J Pollux1, Matthew Craddock1, Kun Guo1

  • 1School of Psychology, University of Lincoln, Brayford Pool, LN6 7TS Lincoln, United Kingdom of Great Britain and Northern Ireland.

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People prioritize face viewing for dynamic emotion recognition, but distribute attention across the upper body for static or face-absent cues. This flexible viewing optimizes emotion categorization from body expressions.

Keywords:
Body expressionsDynamic displaysEye-movementsFace visibility

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Area of Science:

  • Psychology
  • Cognitive Neuroscience
  • Social Psychology

Background:

  • Growing evidence highlights the importance of bodily cues in emotion recognition.
  • However, the specific viewing patterns of the whole body for recognizing body expressions remain unclear.

Purpose of the Study:

  • To investigate how face visibility and display type (static vs. dynamic) influence body-viewing strategies during emotion recognition.
  • To determine the extent to which body-viewing is face- and context-specific.

Main Methods:

  • Eye-movement recordings were used to track participants' viewing patterns.
  • Experiments involved categorizing whole body expressions in static and dynamic visual displays.
  • Displays varied in the visibility of facial cues.

Main Results:

  • Observers predominantly viewed the face in dynamic displays when faces were visible.
  • Viewing was distributed across the head, torso, and arms in static displays and dynamic displays without visible faces.
  • A strong face bias was observed in dynamic, face-visible expressions, indicating flexible viewing strategies.

Conclusions:

  • Body-viewing strategies adapt flexibly based on the informativeness of facial cues for emotion categorization.
  • When facial cues are static or absent, observers utilize a broader viewing strategy encompassing the entire upper body.
  • Emotion-specific body postures and movements are subtly prioritized to enhance diagnostic information for recognition.