Electrophysiological correlates of human visual recognition memory

Yoichi Sugita

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In a visual recognition task for random patterns, event-related potentials (ERPs) were recorded concurrently with the behavioral performance. A prove stimulus, the feature of which was physically different from a sample stimuli to be memorized, elicited a posterior negative wave in the 220-280-ms latency range. Stimulus complexity and longer retention interval decreased not only the accuracy of behavioral performance but also the amplitude of the negative wave. Furthermore, when the subject failed to recognize the difference, the negative wave was not observed. The posterior negative wave might, therefore, reflect traces of visual short-term memory.

Original languageEnglish
Pages (from-to)151-154
Number of pages4
JournalNeuroscience Letters
Volume178
Issue number1
DOIs
Publication statusPublished - 1994 Aug 29
Externally publishedYes

Keywords

  • Event-related potential
  • Iconic memory
  • Mismatch negativity
  • Visual memory

ASJC Scopus subject areas

  • Neuroscience(all)

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