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Neuroimaging Findings on Amodal Completion: A Review
Jordy Thielen1, Sander E Bosch1, Tessa M van Leeuwen1
1Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands.
I-Perception
|April 23, 2019
Summary
Amodal completion allows us to perceive whole objects despite partial occlusion. Neuroimaging studies reveal complex neural processes in high-level visual and motor areas, suggesting it
Area of Science:
- Neuroscience
- Cognitive Science
- Visual Perception
Background:
- Amodal completion is the perception of complete objects when partially hidden.
- Understanding its neural basis is crucial for visual processing research.
Purpose of the Study:
- To review neuroimaging findings on the neural correlates of amodal completion.
- To explore the temporal dynamics and neuronal representation of this phenomenon.
Main Methods:
- Review of neuroimaging studies (fMRI, EEG, etc.).
- Analysis of findings related to low-level and high-level cortical areas.
- Examination of temporal processing (feedforward, recurrent, feedback).
Main Results:
- High-level areas (LOC, FFA) show invariance to occlusion.
- Motor areas may encode object permanence.
- Temporal dynamics suggest mixed feedforward, recurrent, and feedback processes.
- Neural representation may involve 'as if visible' processing.
Conclusions:
- Amodal completion resolves incomplete visual information.
- It depends on stimulus complexity and saliency.
- Neural patterns vary based on these factors.
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