Document Detail

Unseen complex motion is modulated by attention and generates a visible aftereffect.
MedLine Citation:
PMID:  22072730     Owner:  NLM     Status:  MEDLINE    
The relationship between attention and awareness and the processing of visual information outside of attention and awareness remain controversial issues. We employed the motion aftereffect (MAE) illusion and continuous flash suppression (CFS) to study the behavioral effects of unseen and unattended visual motion. The main finding was that either withdrawal of attention or the lack of visual awareness on the adaptors did not eliminate the formation of translational MAEs, spiral MAEs, or the interocular transfer of the MAE. However, no spiral MAE was generated when attention was diverted from the unseen spiral adaptors. Interestingly, all MAEs that arose in the absence of awareness or in the absence of attention were reduced in size. The pattern of results is consistent with suggestions that the magnitude of visual motion adaptation depends on both attention and awareness.
Lisandro Kaunitz; Alessio Fracasso; David Melcher
Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2011-11-09
Journal Detail:
Title:  Journal of vision     Volume:  11     ISSN:  1534-7362     ISO Abbreviation:  J Vis     Publication Date:  2011  
Date Detail:
Created Date:  2011-11-10     Completed Date:  2012-02-14     Revised Date:  2013-01-09    
Medline Journal Info:
Nlm Unique ID:  101147197     Medline TA:  J Vis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  10     Citation Subset:  IM    
Center for Mind/Brain Sciences, University of Trento, Italy.
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MeSH Terms
Adaptation, Physiological*
Attention / physiology*
Figural Aftereffect / physiology*
Illusions / physiology*
Motion Perception / physiology*
Pattern Recognition, Visual / physiology*
Photic Stimulation / methods

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