Recognition memory for vibrotactile rhythms: An fMRI study in blind and sighted individuals

Robert J. Sinclair, Sachin Dixit, Harold Burton

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Calcarine sulcal cortex possibly contributes to semantic recognition memory in early blind (EB). We assessed a recognition memory role using vibrotactile rhythms and a retrieval success paradigm involving learned "old" and "new" rhythms in EB and sighted. EB showed no activation differences in occipital cortex indicating retrieval success but replicated findings of somatosensory processing. Both groups showed retrieval success in primary somatosensory, precuneus, and orbitofrontal cortex. The S1 activity might indicate generic sensory memory processes.

Original languageEnglish
Pages (from-to)48-62
Number of pages15
JournalSomatosensory and Motor Research
Volume28
Issue number3-4
DOIs
StatePublished - Sep 2011

Keywords

  • human occipital cortex
  • magnetic resonance imaging
  • touch

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