ELEKTROPHYSIOLOGISCHE STUDIEN ZUM MENSCHLICHEN GEDACHTNIS

Translated title of the contribution: Electrophysiological studies of human memory

K. A. Paller*

*Corresponding author for this work

Research output: Contribution to journalReview article

18 Scopus citations

Abstract

This review summarizes recent experiments that explored human memory processes using recordings of event-related potentials (ERPs) from the brain. In many studies, ERPs elicited by words presented during an acquisition stage have differed as a function of later recall or recognition. These ERP differences, generally in the 400 to 800 ms range, indicate that processes of memory encoding may produce ERP correlates. Numerous studies have also been devoted to ERP effects during recognition. In general, the second presentation of a stimulus was associated with an enhanced positivity relative to the first presentation or to new items. Similar effects have been observed in implicit memory tests in which repetitions were irrelevant to the subject's task. There has been some difficulty in relating these old/new effects to the processes that mediate memory experiences such as recollection and priming. However, a new paradigm that enables a dissociation between ERP correlates of recollection and priming is described. Studies of ERPs recorded from intracrainal electrodes have also shown memory sensitivity, particularly for electrode locations near the hippocampus. In summary, ERPs may be useful as indices of both memory encoding and memory retrieval processes.

Translated title of the contributionElectrophysiological studies of human memory
Original languageGerman
Pages (from-to)24-33
Number of pages10
JournalEEG-EMG Zeitschrift fur Elektroenzephalographie Elektromyographie und Verwandte Gebiete
Volume24
Issue number1
StatePublished - Jan 1 1993

Keywords

  • encoding
  • event-related potentials
  • memory
  • P300
  • recall
  • recognition

ASJC Scopus subject areas

  • Clinical Neurology

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