Preparatory state effects in intersensory facilitation

Ira H. Bernstein, Robert Rose, Victor Ashe

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Four trained Ss participated in a task concerned with intersensory facilitation of reaction time (RT). Discriminative RT to a visual event was longer than discriminative RT to a combined auditory-visual event, even though the auditory event by itself was a catch signal. The magnitude of this difference was greater with a long (5.5 sec) as opposed to short (.5 sec) foreperiod delay. This finding supported the hypothesis that the auditory component of the combined event serves a preparatory state role by enhancing response readiness, a role that is manifest to the extent that S’s prior degree of preparation is nonoptimal.

Original languageEnglish (US)
Pages (from-to)113-114
Number of pages2
JournalPsychonomic Science
Issue number2
StatePublished - Aug 1970

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)


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