Laterality effects in perceptual matching

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13 Scopus citations


Two experiments are reported in which Ss had to indicate whether pairs of simple geometric forms were "same" or "different." In Experiment I the two forms were either both in the left visual hemifield or both in the right hemifield. Reaction times were unaffected by the locus of the stimuli. In Experiment 2, in addition to left and right pairs, there were pairs in which one of the stimuli was on the left and the other was on the right. Under these conditions, reaction times were faster for pairs totally on the left than for pairs totally on the right. The data support the notion that implicit scanning patterns are important in determining laterality differences. When such scanning is not involved and when simple nonverbal stimuli and responses are employed, laterality differences are eliminated.

Original languageEnglish (US)
Pages (from-to)375-376
Number of pages2
JournalPerception & Psychophysics
Issue number4
StatePublished - Jul 1971

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems
  • General Psychology


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