Cited by 100Neurobiology of Language and BilingualismNeural and Behavioral Psychology StudiesCognitive Abilities and Testing

Functional activation in the cerebellum during working memory and simple speech tasks

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Durisko, Corrine, Fiez, Julie A.·2010·Cortex

Abstract

Verbal working memory is the ability to temporarily store and manipulate verbal information. This study tested the predictions of a neuroanatomical model of how the cerebellum contributes to verbal working memory (Desmond et al., 1997). In this model, a large bilateral region in the superior cerebellum is associated with articulatory rehearsal and a right-lateralized region in the inferior cerebellum is associated with the correction of errors within the working memory system. The Desmond et al. (1997) model was based on neuroimaging findings using item recognition tasks and comparisons between working memory and covert rehearsal tasks, whereas in this functional magnetic resonance imaging (fMRI) study we used a delayed serial recall (DSR) task because it relies more heavily on articulatory rehearsal, and our comparison tasks included both overt and covert speech tasks. Our results provide some support for the Desmond et al. (1997) model. In particular, we found multiple activation foci within the superior and inferior sectors of the cerebellum and evidence that these regions show different patterns of activation across working memory and speech tasks. However, the specific patterns of activation were not fully consistent with those reported by Desmond et al. (1997). Namely, our results indicate that activation in the superior sector should be functionally subdivided into a medial focus involved in speech processing and a lateral focus more specific to verbal working memory; the results also indicate that activation in the inferior sector is not uniquely right lateralized. These complex findings speak to the need for future studies to consider the speech-motor aspects of tasks, to investigate the functional significance of adjacent peaks of activation within large regions of cerebellar activation, and to use analysis procedures that support regional distinctions through direct statistical tests. Such studies would help to refine our understanding of how the cerebellum contributes to speech and verbal working memory.

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Authors
Durisko, C., & Fiez, J. A.
Affiliations
University of Pittsburgh (US)
Corresponding author
Durisko, Corrine
Venue
Cortex
Publisher
Elsevier BV
Published
2010-07
Volume
46
Issue
7
Pages
896-906
ISSN
0010-9452 (ISSN-L)
OpenAlex
W2011934113
Cited by
100
References
46
Citations by year
2026: 2 · 2025: 6 · 2024: 1 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 8 · 2019: 6 · 2018: 4 · 2017: 2 · 2016: 7 · 2015: 10 · 2014: 4 · 2013: 10 · 2012: 12
FWCI
5.34
Type
journal article
Language
en
Open access
Locations
  • Cortex (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01MH059256, MH 59256)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
Keywords
cerebellum, verbal working memory, speech processing, articulatory rehearsal, error correction, covert speech, speech motor control, laterality
MeSH terms
Adult, Cerebellum, Cues, Female, Fingers, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Memory, Short-Term, Psychomotor Performance, Serial Learning, Speech, Verbal Learning, Young Adult

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