Recurrent computations for visual pattern completion
- Tang, Hanlin
- Schrimpf, Martin
- Lotter, William
- Moerman, Charlotte
- Paredes, Ana
- Caro, Josue Ortega
- Hardesty, Walter
- Cox, David
- Kreiman, Gabriel
DOIAbstract
Making inferences from partial information constitutes a critical aspect of cognition. During visual perception, pattern completion enables recognition of poorly visible or occluded objects. We combined psychophysics, physiology, and computational models to test the hypothesis that pattern completion is implemented by recurrent computations and present three pieces of evidence that are consistent with this hypothesis. First, subjects robustly recognized objects even when they were rendered <15% visible, but recognition was largely impaired when processing was interrupted by backward masking. Second, invasive physiological responses along the human ventral cortex exhibited visually selective responses to partially visible objects that were d...
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