Document Detail

Neural gain changes subserving perceptual acuity.
MedLine Citation:
PMID:  9874518     Owner:  NLM     Status:  MEDLINE    
When small and large objects of equal weight are lifted, the small object feels heavier than the large one (the size-weight illusion) and requires more effort to lift (the size-effort illusion). It has been suggested that these illusions result from neural gain changes designed to maintain acuity under different working conditions. If this suggestion is correct, a given mass should produce a larger increase in perceived weight or effort when added to the small object. This was found to be the case.
L F Jones; P R Burgess
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Somatosensory & motor research     Volume:  15     ISSN:  0899-0220     ISO Abbreviation:  Somatosens Mot Res     Publication Date:  1998  
Date Detail:
Created Date:  1999-03-23     Completed Date:  1999-03-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8904127     Medline TA:  Somatosens Mot Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  190-9     Citation Subset:  IM; S    
Department of Physiology, University of Utah School of Medicine, Salt Lake City 84108, USA.
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MeSH Terms
Illusions / physiology*
Middle Aged
Physical Exertion / physiology
Size Perception / physiology*
Weight Perception / physiology*
Grant Support

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