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Titolo:
Heritability and prevalence of specific fears and phobias in childhood
Autore:
Lichtenstein, P; Annas, P;
Indirizzi:
Karolinska Inst, Dept Med Epidemiol, Stockholm 17177, Sweden Karolinska Inst Stockholm Sweden 17177 pidemiol, Stockholm 17177, Sweden Univ Uppsala, S-75105 Uppsala, Sweden Univ Uppsala Uppsala Sweden S-75105 niv Uppsala, S-75105 Uppsala, Sweden
Titolo Testata:
JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY AND ALLIED DISCIPLINES
fascicolo: 7, volume: 41, anno: 2000,
pagine: 927 - 937
SICI:
0021-9630(200010)41:7<927:HAPOSF>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEROTONIN TRANSPORTER GENE; ANXIETY-RELATED TRAITS; ADOLESCENT BEHAVIORAL-DEVELOPMENT; REGULATORY REGION; PANIC DISORDER; ENVIRONMENTAL-INFLUENCES; PROMOTER POLYMORPHISM; FAMILIAL AGGREGATION; MAJOR DEPRESSION; VIRGINIA TWIN;
Keywords:
behavioral genetics; environmental influences; fears; genetics; phobias; twins;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
65
Recensione:
Indirizzi per estratti:
Indirizzo: Lichtenstein, P Karolinska Inst, Dept Med Epidemiol, Box 281, Stockholm 17177, Sweden Karolinska Inst Box 281 Stockholm Sweden 17177 77, Sweden
Citazione:
P. Lichtenstein e P. Annas, "Heritability and prevalence of specific fears and phobias in childhood", J CHILD PSY, 41(7), 2000, pp. 927-937

Abstract

Fears and phobias are relatively common in childhood. Both environmental and genetic theories have tried to explain the etiology behind these conditions. However, data supporting the different theories are sparse. To investigate the relative importance of genetic and environmental influences on specific phobias and fears, parental reports of animal, situational, and mutilation fears and phobias were completed for 1 106 pairs of 8- to 9-year-old Swedish twins. The prevalence of specific phobias was 7.3 % for boys and 10.0 % for girls. Genetic, shared environmental, and nonshared environmental effects contributed to individual differences in fears and phobias in youngchildren, but the magnitude of the effects differed between sexes. Shared environmental effects contributed to a general susceptibility for fearfulness. Genetic and nonshared environmental effects, on the other hand, contributed both to the general susceptibility and specific fearfulness, even though these effects primarily were fear specific. These results indicate that both heritable factors as well as environmental factors such as trauma, vicarious learning, and/or negative information are important for differences in fearfulness and phobias-at least in children.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 16:42:06