Cited by 1,192Neurobiology of Language and BilingualismPhonetics and Phonology ResearchVoice and Speech Disorders

A new brain region for coordinating speech articulation

Dronkers, Nina F.·1996·Nature

Abstract

Human speech requires complex planning and coordination of mouth and tongue movements. Certain types of brain injury can lead to a condition known as apraxia of speech, in which patients are impaired in their ability to coordinate speech movements but their ability to perceive speech sounds, including their own errors, is unaffected. The brain regions involved in coordinating speech, however, remain largely unknown. In this study, brain lesions of 25 stroke patients with a disorder in the motor planning of articulatory movements were compared with lesions of 19 patients without such deficits. A robust double dissociation was found between these two groups. All patients with articulatory planning deficits had lesions that included a discrete region of the left precentral gyrus of the insula, a cortical area beneath the frontal and temporal lobes. This area was completely spared in all patients without these articulation deficits. Thus this area seems to be specialized for the motor planning of speech.

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Crossref · 10.1038/384159a0

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Authors
Dronkers, N. F.
Affiliations
VA Northern California Health Care System (US)
Corresponding author
Dronkers, Nina F.
Venue
Nature
Published
1996-11
Volume
384
Issue
6605
Pages
159-161
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1997482356
Cited by
1,192
References
25
Citations by year
2026: 11 · 2025: 22 · 2024: 22 · 2023: 30 · 2022: 70 · 2021: 34 · 2020: 35 · 2019: 26 · 2018: 46 · 2017: 40 · 2016: 41 · 2015: 52 · 2014: 61 · 2013: 45 · 2012: 54
FWCI
9.43
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Phonetics and Phonology Research
  • Health Sciences › Medicine › Physiology › Voice and Speech Disorders
Keywords
apraxia of speech, speech articulation, motor planning, articulatory movements, stroke, brain lesions, double dissociation, insula, speech motor control
MeSH terms
Adult, Aged, Apraxias, Brain Mapping, Cerebral Cortex, Cerebrovascular Disorders, Humans, Magnetic Resonance Imaging, Middle Aged, Psychomotor Performance, Speech, Tomography, X-Ray Computed

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