Document Detail

Cognitive processing in migraine: a failure to find facilitation in patients with aura.
MedLine Citation:
PMID:  9595204     Owner:  NLM     Status:  MEDLINE    
Recent interest in cognitive processing in migraine has been based on the assumption that cortical hyperexcitability in migraine with aura may manifest itself in the form of response time advantages in migraine as compared to controls. The study reported here attempted to replicate and extend the findings of Wray and colleagues (Brain 1995;118: 25-35). Using identical cognitive tasks, three experiments failed to find differences between migraine with aura patients and controls: furthermore, an additional group of patients without aura were also statistically indistinguishable from controls with respect to response times. Error rates were consistently high across experiments, indicating that subjects were responding at or near chance levels. These findings cast doubt on the utility of straightforward cognitive psychological methods for the study of cortical hyperexcitability in migraine. Some theoretical difficulties concerning the interpretation of response times in the context of migraine pathophysiology are discussed.
J E Palmer; E P Chronicle
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Cephalalgia : an international journal of headache     Volume:  18     ISSN:  0333-1024     ISO Abbreviation:  Cephalalgia     Publication Date:  1998 Apr 
Date Detail:
Created Date:  1998-08-10     Completed Date:  1998-08-10     Revised Date:  2008-02-11    
Medline Journal Info:
Nlm Unique ID:  8200710     Medline TA:  Cephalalgia     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  125-32     Citation Subset:  IM    
Department of Psychology, Lancaster University, UK.
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MeSH Terms
Arousal / physiology
Attention / physiology
Dominance, Cerebral / physiology
Middle Aged
Migraine Disorders / physiopathology*
Optical Illusions / physiology*
Orientation / physiology
Pattern Recognition, Visual / physiology
Psychomotor Performance / physiology*
Reaction Time / physiology*
Time Perception / physiology
Visual Cortex / physiopathology*
Visual Fields / physiology
Visual Perception / physiology*
Comment In:
Cephalalgia. 1998 Apr;18(3):123   [PMID:  9595203 ]

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

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