El Tercihi Ve El Tercihini Belirleyen Etkenler

Yıl 2007, Cilt: 1 Sayı: 2, 60 - 68, 01.04.2007

A. Şebnem Soysal Ebru Arhan Aysima Aktürk Handan Can

Öz

Serebral lateralizasyon, serebral hemisferin bir takım spesifik nörolojik fonksiyonlarının kazanılmasında rol alan organik olarak anlamlı tüm etkenleri ve mekanizmaları içeren bir kavramdır. Lateralizasyon, bir hemisferin belirli bir işlemden ağırlıklı olarak sorumlu olması anlamına gelmektedir. Hemisferik asimetrinin sonucu olarak ortaya çıkan bir çok davranışsal asimetri tanımlanmıştır. Bunlardan en belirgini el tercihidir. El tercihi ile hemisfer işlevleri arasındaki ilişkinin daha belirginleşmesi için öncelikle el baskınlığının tanımlanması gerekmektedir. El tercihinin belirginleşmesinde etkenler genetik ve çevresel olarak iki grupta toplanabilir. Şizofreni, obsesif kompulsif bozukluk, panik atak bozukluğu ve dikkat eksikliği hiperaktivite bozukluğu gibi ruhsal hastalıkların el dominansı ile ilişkisi incelenmiştir.

Anahtar Kelimeler

Serebral lateralizasyon, hemisfer, el tercihi

HAND DOMINANCE AND FACTORS DETERMINING HAND DOMINANCE

Öz

Cerebral lateralization is a concept that includes all mechanisms and factors that play a role in differentiation of the capabilities of cerebral hemispheres in terms of performance, control and development some specific neurological functions. Localization of a function on one side of the brain in preference to the other side can be defined as lateralization. Various behavioral asymmetries have been described as the result of hemispheric asymmetry. The most evident one of these asymmetries is hand dominance. The genetic and environmental factors lead to the emergence of hand dominance. Mental disorders such as schizophrenia, obsessive - compulsive disorder, panic attack and attention deficit and hyperactivity disorder have been the subject of various studies for the association of hand dominance

Anahtar Kelimeler

Cerebral lateralization, hemisphere, hand dominance

Kaynakça

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