Document Detail


Amnesia for the McCollough effect following unilateral electroconvulsive therapy: implications for laterality.
MedLine Citation:
PMID:  3408756     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The hemispheric lateralization of retrograde amnesia following unilateral electroconvulsive therapy (ECT) was measured by a novel nonverbal probe, the McCollough effect, which allowed equal and exclusive access to each hemisphere. Alternating exposure to perpendicular gratings of complementary colors (e.g., red vertical stripes alternated with green horizontal stripes) will cause subsequently presented black and white gratings to appear colored hours or even days later (the McCollough effect). Three of the patients examined (3 of 10) lost the effect in just the half visual field contralateral to the treatment side when unilateral nondominant ECT was interposed between the induction of the effect and the its test. Six patients lost the effect bilaterally following unilateral ECT. One patient retained a bilateral aftereffect. This patient had by far the shortest seizure (18 sec). Nine of 10 comparison patients, also suffering from major depression but without ECT intervening between induction and test, showed good bilateral retention of the McCollough effect. The remaining comparison patients showed no retention. These results imply that despite bilateral cortical spread of seizure activity, unilateral nondominant ECT has effects that are most pronounced over the stimulated hemisphere.
Authors:
J L Ringo; L B Guttmacher
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Biological psychiatry     Volume:  24     ISSN:  0006-3223     ISO Abbreviation:  Biol. Psychiatry     Publication Date:  1988 Aug 
Date Detail:
Created Date:  1988-10-13     Completed Date:  1988-10-13     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0213264     Medline TA:  Biol Psychiatry     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  384-90     Citation Subset:  IM    
Affiliation:
Department of Physiology, University of Rochester Medical Center, NY 14642.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Amnesia / psychology*
Amnesia, Retrograde / psychology*
Color Perception*
Depressive Disorder / psychology,  therapy
Dominance, Cerebral*
Electroconvulsive Therapy*
Female
Figural Aftereffect*
Humans
Male
Memory*
Mental Recall*
Middle Aged
Orientation*
Pattern Recognition, Visual
Grant Support
ID/Acronym/Agency:
NS 24217/NS/NINDS NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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