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Titolo:
Functional asymmetry in schizophrenic patients during auditory speech processing
Autore:
Mohr, B; Heim, S; Pulvermuller, F; Rockstroh, B;
Indirizzi:
Univ Konstanz, Fachgrp Psychol, Soziolwissensch Fak, D-78457 Constance, Germany Univ Konstanz Constance Germany D-78457 Fak, D-78457 Constance, Germany MRC, Cognit & Brain Sci Unit, Cambridge, England MRC Cambridge EnglandMRC, Cognit & Brain Sci Unit, Cambridge, England
Titolo Testata:
SCHIZOPHRENIA RESEARCH
fascicolo: 1-2, volume: 52, anno: 2001,
pagine: 69 - 78
SICI:
0920-9964(20011001)52:1-2<69:FAISPD>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEMISPHERIC DOMINANCE; CEREBRAL LATERALITY; HANDEDNESS; LANGUAGE; FAILURE; BRAIN; WORDS;
Keywords:
schizophrenia; lateralization; auditory; word processing; functional asymmetry; language;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: Mohr, B Univ Konstanz, Fachgrp Psychol, Soziolwissensch Fak, Postfach D23,D-78457Constance, Germany Univ Konstanz Postfach D23 Constance Germany D-78457 nce, Germany
Citazione:
B. Mohr et al., "Functional asymmetry in schizophrenic patients during auditory speech processing", SCHIZOPHR R, 52(1-2), 2001, pp. 69-78

Abstract

In two experiments, functional laterality and interhemispheric transfer was investigated in schizophrenic patients (n = 14) and healthy controls (n =17). In Experiment 1, words and pseudowords were presented either to the left or right ear (monaural condition) or simultaneously to both ears (binaural condition). In Experiment 2, subjects had to discriminate two tones differing in frequency during monaural and binaural stimulation. Healthy controls showed a right ear advantage (REA) for word stimuli, indicating left-hemi spheric superiority for word processing. The same lateralization pattern was found in schizophrenic patients, indicating unimpaired functional lateralization of auditory language processing. In both groups, no REA was found for pseudowords resulting in significant Wordness X Ear interactions. When presented binaurally, auditory processing of words and pseudowords did not differ significantly from any of the two monaural conditions. Tone discrimination did not lead to any ear asymmetry. The results show normal patterns of functional asymmetry during auditory language processingand tone discrimination in schizophrenic patients. (C) 2001 Elsevier Science B.V. All ri-hts reserved.

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Documento generato il 28/03/20 alle ore 23:00:18