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Titolo:
Measurable biological substrates to verbal-performance differences in Wechsler scores
Autore:
Riccio, CA; Hynd, GW;
Indirizzi:
Texas A&M Univ, Dept Educ Psychol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 sychol, College Stn, TX 77843 USA Univ Georgia, Athens, GA 30602 USA Univ Georgia Athens GA USA 30602Univ Georgia, Athens, GA 30602 USA
Titolo Testata:
SCHOOL PSYCHOLOGY QUARTERLY
fascicolo: 4, volume: 15, anno: 2000,
pagine: 386 - 399
SICI:
1045-3830(200024)15:4<386:MBSTVD>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
CEREBRAL HEMISPHERIC-ASYMMETRY; DEVELOPMENTAL DYSLEXIA; PLANUM-TEMPORALE; WISC-R; BRAIN MORPHOLOGY; SPEECH REGION; CHILDREN; LANGUAGE; INTELLIGENCE; DISCREPANCY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
77
Recensione:
Indirizzi per estratti:
Indirizzo: Riccio, CA Texas A&M Univ, Dept Educ Psychol, MS4225, College Stn, TX 77843 USA Texas A&M Univ MS4225 College Stn TX USA 77843 tn, TX 77843 USA
Citazione:
C.A. Riccio e G.W. Hynd, "Measurable biological substrates to verbal-performance differences in Wechsler scores", SCH PSYCH Q, 15(4), 2000, pp. 386-399

Abstract

The use of intelligence tests and the interpretation of verbal-performancedifferences has been criticized as not being useful in the classification,treatment planning, or placement of children. As a result, some professionals have suggested that intelligence testing does not provide useful theoretical or clinical information. The purpose of this article is to provide a general review and discussion of studies relating to hemispheric asymmetry,particularly asymmetry of the planum temporale in normal and reading disabled populations and possible implications with regard to the meaningfulnessof IQ test results. A great deal of neurobiological research has examined this region of the brain because it has long been recognized for its role in linguistic processing. Specifically, the planum temporale has consistently been found to be associated with language comprehension and has been the focus of multiple clinical and experimental studies. Although Wechsler (1978) never anticipated that research would reveal the neuropsychological basis of intelligence, recent research specific to Verbal IQ (VIQ), the Verbal Comprehension (VC) factor, and verbal-performance (V-P) differences as measured by the Wechsler Intelligence Scale for Children-Third Edition (WISC-III) suggests otherwise. This research suggests that both the VIQ and VC factor of the WISC-III are related to the length of the left temporal bank of the planum temporale. Based on these studies, V-P differences may reflect the asymmetry of the planum. With advanced technology and functional neuroimaging, further research may provide information relating to how these findings can be useful in clinical practice.

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Documento generato il 18/01/20 alle ore 07:34:39