Rhythmic Variations In Reaction-Times And Evoked-Potentials
INTERNATIONAL JOURNAL OF NEUROSCIENCE(1995)
摘要
The present work aimed to assess the existence of a regular ultradian cyclicity underlying the variations in amplitude of the N1-P2 component of acoustic EP during a relatively long recording session and investigate its relationship with behavioral measure as RT to the same stimulus. 128 tones were presented to each subject; 128 RTs and the associated EPs to target stimuli were recorded. N1-P2 amplitude has been measured at a single trial level through Woody adaptive filter modified by Wastell. Results showed that there are ultradian rhythmic variations of N1-P2 and RT, with a periodicity from about 5 to 40 min and these variations have similar patterns in the two measures in most of the subjects.
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关键词
RT, ACOUSTIC EP, ULTRADIAN RHYTHMS, VIGILANCE, BIOLOGICAL RHYTHMS
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