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Hysteresis in the dynamic perception of scenes and objects
Sonia Poltoratski1, Frank Tong1
1Department of Psychology.
Journal of Experimental Psychology. General
|August 25, 2014
Summary
Visual perception exhibits hysteresis, where the brain retains object or scene perception longer based on the starting view. This effect aids in processing dynamic visual transitions.
Area of Science:
- Cognitive Neuroscience
- Visual Perception
- Human Computer Interaction
Background:
- The human visual system processes scenes and objects distinctly.
- Understanding perception during dynamic transitions between object and scene views is crucial.
Purpose of the Study:
- Investigate perceptual biases during naturalistic visual transitions.
- Determine the role of prior perception (hysteresis) in classifying dynamic image sequences.
Main Methods:
- Observers viewed dynamic sequences zooming between object and scene views.
- Hysteresis was measured by the duration of object/scene perception based on starting view.
- Manipulations tested the robustness and nature of the hysteresis effect.
Main Results:
- A significant hysteresis effect was observed: sequences were perceived as objects longer when starting from an object view, and vice versa.
- This effect persisted across stimulus and task variations.
- Hysteresis was not purely decisional and was prominent for object-scene transitions.
Conclusions:
- Perceptual history (hysteresis) influences the interpretation of dynamic visual stimuli.
- Hysteresis may aid in disambiguating perception during naturalistic transitions.
- This suggests competitive mechanisms optimize the balance between scene and object processing.
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