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Titolo:
GENETIC INFLUENCES ON CHILDHOOD IQ IN 5 AND 7-YEAR OLD DUTCH TWINS
Autore:
BOOMSMA DI; VANBAAL GCM;
Indirizzi:
FREE UNIV AMSTERDAM AMSTERDAM NETHERLANDS
Titolo Testata:
Voprosy psihologii
fascicolo: 4, , anno: 1997,
pagine: 117 -
SICI:
0042-8841(1997):4<117:GIOCII>2.0.ZU;2-V
Fonte:
ISI
Lingua:
RUS
Soggetto:
COGNITIVE-DEVELOPMENT; PROBLEM BEHAVIORS; CONTINUITY; ADOPTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
D.I. Boomsma e G.C.M. Vanbaal, "GENETIC INFLUENCES ON CHILDHOOD IQ IN 5 AND 7-YEAR OLD DUTCH TWINS", Voprosy psihologii, (4), 1997, pp. 117

Abstract

IQ of 5- and 7-year old Dutch twins was measured in order to study changes in the genetic architecture of cognitive functioning. The continuity and dynamics in genetic and environmental influences were examined by means of development model of data processing. The results show that genetic influences persist during this age interval and greatly gain in;relative importance. Shared family background influences IQ in early childhood but their relative importance becomes smaller. Unique environment manifests itself age-specifically and accounts for about a quarter of total variance of IQ in both 5- and 7-year old twins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/02/20 alle ore 04:32:17