Cited by 96Neurobiology of Language and BilingualismReading and Literacy DevelopmentNeural and Behavioral Psychology Studies

Comparison of brain activation during word retrieval done silently and aloud using fMRI

Rosen, Howard J., Ojemann, Jeffrey G., Ollinger, John M., Petersen, Steve E.·2000·Brain and Cognition

Abstract

Using functional MRI we compared the patterns of activation in an effortful word retrieval task (stem completion) performed both silently and aloud. The silent and overt conditions showed expected differences in activation magnitude in regions such as primary motor cortex. Some regions, such as frontal operculum and dorsolateral frontal cortex, showed similar activation magnitude across conditions. Thalamus was more active on the left in both conditions and showed a symmetric drop in activity in the silent compared with the overt condition. Putamen was also more active in the overt condition and showed a larger decrease in activity on the right than on the left in the silent compared with the overt condition. Thus it appears that silent and overt performance of this task engage the thalamus and putamen in different ways.

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Crossref · 10.1006/brcg.1999.1100

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Authors
Rosen, H. J., Ojemann, J. G., Ollinger, J. M., & Petersen, S. E.
Affiliations
Washington University in St. Louis (US)
Venue
Brain and Cognition
Publisher
Elsevier BV
Published
2000-03
Volume
42
Issue
2
Pages
201-217
ISSN
0278-2626 (ISSN-L)
OpenAlex
W2117668664
Cited by
96
References
45
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2021: 1 · 2020: 4 · 2019: 5 · 2018: 1 · 2016: 2 · 2015: 5 · 2014: 8 · 2013: 3 · 2012: 6
FWCI
2.63
Type
journal article
Language
en
Open access
closed
Locations
  • Brain and Cognition (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5t32ns007205-32)
  • National Institute of Neurological Disorders and Stroke (NS-07205, NS-32979, R01NS032979, NS 06833)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
word retrieval, silent speech, overt speech, stem completion, primary motor cortex, frontal operculum, dorsolateral prefrontal cortex, thalamus, putamen, hemispheric lateralization, speech production
MeSH terms
Adolescent, Adult, Brain, Female, Humans, Magnetic Resonance Imaging, Male, Putamen, Thalamus, Vocabulary

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