Document Detail


Technique for differentiating cortical hemispheric activity following exercise.
MedLine Citation:
PMID:  7099904     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Peripheral Critical Flicker Fusion technology was explored as a basis for inferred differences between right and left cortical hemispheric activity following exercise. 18 subjects underwent three treatments presented in randomized order with 1-wk. intervals in between them. Conditions included a control, 30 min. of steady-state treadmill running, and 20 min. of treadmill running followed by progressively increasing speed until exhaustion intervened. Immediately following each treatment, subjects were given a test of peripheral critical flicker fusion as measured in both peripheral retinal fields. Differences between right and left peripheral retinal field perception were analyzed for the three conditions with a one-way analysis of variance using a repeated-measures design. A significant difference was found among the three treatments for peripheral CFF differences between right and left peripheral fields. A Newman-Keuls test demonstrated a significant shift in cortical activation toward the left hemisphere following the exhaustive exercise. The inferred shift in cortical activity inferred from peripheral CFF, occurs following exhaustive exercise. The left hemisphere was viewed as the dominant locus of cortical activation in that fatigue state.
Authors:
R R Powell
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Perceptual and motor skills     Volume:  54     ISSN:  0031-5125     ISO Abbreviation:  Percept Mot Skills     Publication Date:  1982 Jun 
Date Detail:
Created Date:  1982-09-17     Completed Date:  1982-09-17     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401131     Medline TA:  Percept Mot Skills     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  923-32     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Cerebral Cortex / physiology*
Dominance, Cerebral / physiology*
Female
Flicker Fusion / physiology*
Humans
Male
Physical Exertion*
Retina / physiology
Visual Fields
Visual Pathways / physiology

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


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