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Different masking effects on "hole" and "no-hole" figures
Junjun Zhang1, Weina Zhu, Xiaojun Ding
1Lab of Mind, Art & Computation, Xiamen University, Xiamen, China.
Journal of Vision
|September 19, 2009
Summary
Figures with "holes" are perceived faster than those without, suggesting a visual processing priority for topological features. This finding explains why topological perception precedes local perception in vision.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Gestalt psychology posits global information as fundamental to visual perception.
- Topological visual perception theory suggests faster processing of topological differences.
- The neural basis for topological perception's priority remains unclear.
Purpose of the Study:
- To investigate the hypothesis that figures with
Main Methods:
- Four behavioral experiments using a backward masking paradigm.
- One electroencephalography (ERP) experiment to measure brain activity.
- Stimuli included figures with and without
Main Results:
- Behavioral experiments showed
Conclusions:
- The presence of a
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