Cited by 2,230Neurobiology of Language and BilingualismCognitive Abilities and TestingReading and Literacy Development

The neural correlates of the verbal component of working memory

Paulesu, E., Frith, C. D., Frackowiak, R. S. J.·1993·Nature

Abstract

By repeating words 'in our head', verbal material (such as telephone numbers) can be kept in working memory almost indefinitely. This 'articulatory loop' includes a subvocal rehearsal system and a phonological store. Little is known about neural correlates of this model of verbal short-term memory. We therefore measured regional cerebral blood flow, an index of neuronal activity, in volunteers performing a task engaging both components of the articulatory loop (short-term memory for letters) and a task which engages only the subvocal rehearsal system (rhyming judgement for letters). Stimuli were presented visually and the subjects did not speak. We report here that comparisons of distribution of cerebral blood flow in these conditions localized the phonological store to the left supramarginal gyrus whereas the subvocal rehearsal system was associated with Broca's area. This is, to our knowledge, the first demonstration of the normal anatomy of the components of the 'articulatory loop'.

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Crossref · 10.1038/362342a0

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  • During silent articulation and verbal working memory, activation in the left posterior inferior frontal gyrus (Broca's area, BA 44) and/or left premotor cortex (BA 6) is associated with inner speech.

    “During silent articulation (McGuire et al., 1996a,b) and verbal working memory (Paulesu et al., 1993; Fiez et al., 1996b; Salmon et al., 1996; Schumacher et al., 1996), activation in the left posterior inferior frontal gyrus (Broca's area, BA 44) and/or left premotor cortex (BA 6) was associated with “inner speech”.”

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  1. Fox, P. T. & Mintun, M. A. J. nucl. Med. 30, 141–149 (1989).

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Authors
Paulesu, E., Frith, C. D., & Frackowiak, R. S. J.
Affiliations
Hammersmith Hospital (GB)
Venue
Nature
Published
1993-03-25
Volume
362
Issue
6418
Pages
342-345
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2002007413
Cited by
2,230
References
25
Citations by year
2026: 17 · 2025: 19 · 2024: 23 · 2023: 18 · 2022: 27 · 2021: 40 · 2020: 34 · 2019: 42 · 2018: 46 · 2017: 50 · 2016: 46 · 2015: 73 · 2014: 72 · 2013: 75 · 2012: 68
FWCI
36.34
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • BOA (University of Milano-Bicocca) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
Keywords
working memory, verbal short-term memory, phonological loop, phonological store, subvocal rehearsal, regional cerebral blood flow, Broca's area, neural correlates, visual word recognition
MeSH terms
Brain Mapping, Cerebrovascular Circulation, Frontal Lobe, Humans, Male, Memory, Short-Term, Models, Neurological, Parietal Lobe, Verbal Behavior

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