Electrophysiological signs of split-second decision-making

David L Woods, Steven A. Hillyard, Eric Courchesne, Robert Galambos

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

When young adults detected auditory stimuli at split-second intervals, different components of the event-related brain potentials showed markedly different speeds of recovery. The P3 component (latency 300 to 350 milliseconds) was fully recovered at intervals of less than 1.0 second, while the N1-P2 components (latencies 100 to 180 milliseconds) were markedly attenuated with stimulus repetition even at longer interstimulus intervals. Thus, the N1-P2 recovers much more slowly than a subject's ability to evaluate signals, whereas the P3 appears to be generated at the same high rates as the decision processes with which it is associated.

Original languageEnglish (US)
Pages (from-to)655-657
Number of pages3
JournalScience
Volume207
Issue number4431
StatePublished - 1980

ASJC Scopus subject areas

  • General

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