The contralateral organization of visual memory: A theoretical concept and a research tool

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Abstract

Contralateral-control methods can be applied to psychophysiology and in particular to the study of visual memory. Visual memory possesses some degree of hemispheric organization, so that visual memory traces for laterally presented stimuli are stronger or more durable in the hemisphere contralateral to the hemifield where the stimuli were first presented. I first introduce the concept of hemispheric organization of function. Then I discuss how hemispheric organization can be exploited for obtaining information about the time course and brain localization of psychological processes, using a contralateral-control method. Behavioral and event- related brain potential data support the hemispheric organization view of visual memory, and the contralateral-control method, in conjunction with the recording of the event-related optical signal, can be used to reveal the existence of memory-driven processes in early stations of the visual system.

Original languageEnglish (US)
Pages (from-to)638-647
Number of pages10
JournalPsychophysiology
Volume35
Issue number6
DOIs
StatePublished - 1998
Externally publishedYes

Keywords

  • Contralateral-control methods
  • Event-related brain potentials (ERPs)
  • Event-related optical signal (EROS)
  • Hemispheric organization
  • Occipital cortex
  • Recognition paradigms
  • Visual memory

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Neurology
  • Endocrine and Autonomic Systems
  • Developmental Neuroscience
  • Cognitive Neuroscience
  • Biological Psychiatry

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