The human entorhinal cortex participates in associative memory

Torkel Klingberg, Per E. Roland, Ryuta Kawashima

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Animal studies have shown that lesions of the parahippo- campal cortex impair learning of visual stimulus-stimulus associations. We tested the hypothesis that recall of paired associates, in contrast to recall of non-associated items, activates the parahippocampal cortex in humans. Ten volunteers had their regional cerebral blood flow measured with positron emission tomography during non-associat- ive recall, and during two conditions with associative recall of visual stimuli. Compared with non-associative recall, associative recall specifically increased the blood flow in a field located in the entorhinal cortex, extending into the presubiculum. Our results demonstrate functional differences between the human hippocampal and parahippocampal cortex, and show that the entorhinal cortex is engaged in associative memory.

Original languageEnglish
Pages (from-to)57-60
Number of pages4
JournalNeuroReport
Volume6
Issue number1
DOIs
Publication statusPublished - 1994 Dec
Externally publishedYes

Keywords

  • Entorhinal cortex
  • Human brain
  • Memory
  • Parahippocampus
  • Positron emission tomography (PET)
  • Regional cerebral blood flow (rCBF)

ASJC Scopus subject areas

  • Neuroscience(all)

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