Blink reflexes and the state of arousal

Blink reflexes were studied in 40 subjects at rest and during the performance of a task. The early reflex (R1) showed an increase of amplitude of action potential during the task, the late reflex (R2) did not. The latency of R1 did not change within the 45 minutes test period; R2 showed an increase...

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Bibliographic Details
Published inJournal of neurology, neurosurgery and psychiatry Vol. 40; no. 1; pp. 58 - 63
Main Authors Boelhouwer, A J, Brunia, C H
Format Journal Article
LanguageEnglish
Published England BMJ Publishing Group Ltd 01.01.1977
BMJ Publishing Group LTD
Subjects
Action Potentials
Arousal - physiology
Attention - physiology
Eyelids - physiology
Female
Humans
Male
Reaction Time
Reflex
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Summary:Blink reflexes were studied in 40 subjects at rest and during the performance of a task. The early reflex (R1) showed an increase of amplitude of action potential during the task, the late reflex (R2) did not. The latency of R1 did not change within the 45 minutes test period; R2 showed an increase of latency during task. R1 showed a systematic decrease in amplitude within rest and task periods, presumably because of habituation. R2 amplitudes decreased throughout the whole experiment, independent of task or rest.
Bibliography:ark:/67375/NVC-C58L99Z0-F
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PMID:845608
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SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-3050
1468-330X
DOI:10.1136/jnnp.40.1.58