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Titolo:
Morphology of the frontal operculum: A volumetric magnetic resonance imaging study of the pars triangularis
Autore:
Foundas, AL; Weisberg, A; Browning, CA; Weinberger, IR;
Indirizzi:
Tulane Univ, Hlth Sci Ctr, Dept Psychiat & Neurol, New Orleans, LA 70112 USA Tulane Univ New Orleans LA USA 70112 & Neurol, New Orleans, LA 70112 USA Neurol Serv Vet Affairs Med Ctr, New Orleans, LA USA Neurol Serv Vet Affairs Med Ctr New Orleans LA USA , New Orleans, LA USA NIMH, Clin Brain Disorders Branch, Neurosci Ctr St Elizabeths, Intramural Res Program, Washington, DC 20032 USA NIMH Washington DC USA 20032 amural Res Program, Washington, DC 20032 USA
Titolo Testata:
JOURNAL OF NEUROIMAGING
fascicolo: 2, volume: 11, anno: 2001,
pagine: 153 - 159
SICI:
1051-2284(200104)11:2<153:MOTFOA>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLANUM TEMPORALE ASYMMETRY; ANTERIOR SPEECH REGION; MRI FINDINGS; HANDEDNESS; SCHIZOPHRENIA; BOYS;
Keywords:
cerebral laterality; Broca's area; pars triangularis; magnetic resonance imaging;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Foundas, AL Tulane Univ, Hlth Sci Ctr, Dept Psychiat & Neurol, 1430 TulaneAve, New Orleans, LA 70112 USA Tulane Univ 1430 Tulane Ave New Orleans LA USA 70112 70112 USA
Citazione:
A.L. Foundas et al., "Morphology of the frontal operculum: A volumetric magnetic resonance imaging study of the pars triangularis", J NEUROIMAG, 11(2), 2001, pp. 153-159

Abstract

Objective. Broca's area, which includes the pars triangularis (PTR), is a neuroanatomical region important in speech and language production. Linear measures of the PTR have been found to be asymmetric, with the direction ofthe asymmetry correlating with language dominance determined by Wada testing. It is unclear, however, whether these linear measurements correlate with volumetric measures, and it is also unknown whether white matter and/or gray matter contribute differentially to these asymmetries. To investigate these issues, volumetric magnetic resonance imaging methodologies were used to measure the PTR in a group of healthy right-handed men (n = 12). There was a significant leftward asymmetry of the PTR using linear and volumetric measures. Linear measures of the left and right hemispheres were highly correlated with volumetric measures. Underlying gray and white matter both contributed to PTR asymmetry. Anatomical boundaries and four configurations (V, U, Y, and J) are discussed with reference to potential interhemispheric differences.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 04:21:13