Cited by 175Neurobiology of Language and BilingualismHemispheric Asymmetry in NeuroscienceNeuroscience and Music Perception

Functional lateralization of speech production at primary motor cortex: a fMRI study

Wildgruber, Dirk, Ackermann, Hermann, Klose, Uwe, Kardatzki, Bernd, Grodd, Wolfgang·1996·Neuroreport

Abstract

To evaluate lateralization of speech production at the level of the Rolandic cortex, functional magnetic resonance imaging (1.5 Tesla, 27 parallel axial slices, EPI-technique) was performed during a speech task (continuous silent recitation of the names of the months of the year). As control conditions, non-speech tongue movements and silent singing of a well-known melody with the syllable 'la' as its carrier were considered. Tongue movements produced symmetrical activation at the lower primary motor cortex. During automatic speech a strong functional lateralization to the left hemisphere emerged within the same area. In contrast, singing yielded a predominant right-sided activation of the Rolandic region. Functional lateralization of speech production therefore seems to include the precentral gyrus as well as Broca's area.

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Crossref · 10.1097/00001756-199611040-00077

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  • Tongue movements produce symmetrical activation at the lower primary motor cortex, with left lateralization in the same region during automatic speech and right-sided activation during singing.

    “Tongue movements were found to produce symmetrical activation at the lower primary motor cortex, with left lateralization in the same region during automatic speech and right-sided activation during singing (Wildgruber et al., 1996).”

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Authors
Wildgruber, D., Ackermann, H., Klose, U., Kardatzki, B., & Grodd, W.
Affiliations
University of Tübingen (DE)
Venue
Neuroreport
Published
1996-11
Volume
7
Issue
15
Pages
2791-2796
ISSN
0959-4965 (ISSN-L)
OpenAlex
W2077590502
Cited by
175
References
0
Citations by year
2024: 2 · 2023: 2 · 2022: 7 · 2021: 2 · 2020: 4 · 2019: 4 · 2018: 3 · 2017: 3 · 2016: 5 · 2015: 9 · 2014: 7 · 2013: 4 · 2012: 6
FWCI
1.36
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroreport (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hemispheric Asymmetry in Neuroscience
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
Keywords
speech production, functional lateralization, primary motor cortex, rolandic cortex, Broca's area, precentral gyrus, tongue movement, singing, hemispheric lateralization
MeSH terms
Adult, Female, Humans, Functional Laterality, Magnetic Resonance Imaging, Male, Motor Cortex, Speech

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