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BibTeX
Functional MRI assessment of orofacial articulators: Neural correlates of lip, jaw, larynx, and tongue movements
Human brain mapping, 2012-10, Vol.33 (10), p.2306-2321
Grabski, Krystyna
Lamalle, Laurent
Vilain, Coriandre
Schwartz, Jean-Luc
Vallée, Nathalie
Tropres, Irène
Baciu, Monica
Le Bas, Jean-François
Sato, Marc
2012
Details
Autor(en) / Beteiligte
Grabski, Krystyna
Lamalle, Laurent
Vilain, Coriandre
Schwartz, Jean-Luc
Vallée, Nathalie
Tropres, Irène
Baciu, Monica
Le Bas, Jean-François
Sato, Marc
Titel
Functional MRI assessment of orofacial articulators: Neural correlates of lip, jaw, larynx, and tongue movements
Ist Teil von
Human brain mapping, 2012-10, Vol.33 (10), p.2306-2321
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2012
Link zum Volltext
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
Compared with complex coordinated orofacial actions, few neuroimaging studies have attempted to determine the shared and distinct neural substrates of supralaryngeal and laryngeal articulatory movements when performed independently. To determine cortical and subcortical regions associated with supralaryngeal motor control, participants produced lip, tongue and jaw movements while undergoing functional magnetic resonance imaging (fMRI). For laryngeal motor activity, participants produced the steady‐state/i/vowel. A sparse temporal sampling acquisition method was used to minimize movement‐related artifacts. Three main findings were observed. First, the four tasks activated a set of largely overlapping, common brain areas: the sensorimotor and premotor cortices, the right inferior frontal gyrus, the supplementary motor area, the left parietal operculum and the adjacent inferior parietal lobule, the basal ganglia and the cerebellum. Second, differences between tasks were restricted to the bilateral auditory cortices and to the left ventrolateral sensorimotor cortex, with greater signal intensity for vowel vocalization. Finally, a dorso‐ventral somatotopic organization of lip, jaw, vocalic/laryngeal, and tongue movements was observed within the primary motor and somatosensory cortices using individual region‐of‐interest (ROI) analyses. These results provide evidence for a core neural network involved in laryngeal and supralaryngeal motor control and further refine the sensorimotor somatotopic organization of orofacial articulators. Hum Brain Mapp 33:2306–2321, 2012. © 2011 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 1065-9471
eISSN: 1097-0193
DOI: 10.1002/hbm.21363
Titel-ID: cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6870116
Format
–
Schlagworte
Adult
,
Biological and medical sciences
,
Brain - physiology
,
Brain Mapping
,
Cognitive science
,
Electrodiagnosis. Electric activity recording
,
Female
,
fMRI
,
Humanities and Social Sciences
,
Humans
,
Image Interpretation, Computer-Assisted
,
Investigative techniques, diagnostic techniques (general aspects)
,
Jaw - physiology
,
Larynx - physiology
,
Life Sciences
,
Linguistics
,
Lip - physiology
,
Magnetic Resonance Imaging
,
Male
,
Medical sciences
,
Motor Activity - physiology
,
motor control
,
Nervous system
,
Neurons and Cognition
,
Neuroscience
,
orofacial articulators
,
Psychology
,
Radiodiagnosis. Nmr imagery. Nmr spectrometry
,
somatotopy
,
sparse sampling
,
Speech - physiology
,
speech production
,
Tongue - physiology
,
Young Adult
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