Document Detail

Dynamic visual noise reduces confidence in short-term memory for visual information.
MedLine Citation:
PMID:  22120748     Owner:  NLM     Status:  Publisher    
Previous research has shown effects of the visual interference technique, dynamic visual noise (DVN), on visual imagery, but not on visual short-term memory, unless retention of precise visual detail is required. This study tested the prediction that DVN does also affect retention of gross visual information, specifically by reducing confidence. Participants performed a matrix pattern memory task with three retention interval interference conditions (DVN, static visual noise and no interference control) that varied from trial to trial. At recall, participants indicated whether or not they were sure of their responses. As in previous research, DVN did not impair recall accuracy or latency on the task, but it did reduce recall confidence relative to static visual noise and no interference. We conclude that DVN does distort visual representations in short-term memory, but standard coarse-grained recall measures are insensitive to these distortions.
Eva Kemps; Jackie Andrade
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-26
Journal Detail:
Title:  Cognitive processing     Volume:  -     ISSN:  1612-4790     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101177984     Medline TA:  Cogn Process     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
School of Psychology, Flinders University, GPO Box 2100, Adelaide, SA, 5001, Australia,
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