Çocukların Bilişsel İşlevlerinde Hemisferik Asimetriler

Sağ ve sol beyin görünümü bakımından benzer olmasına karşın, işlevleri yönünden çeşitli özelleşmeler göstermektedir. Yetişkinlerle yapılan çok sayıdaki çalışma tipik olarak sol hemisferin sözel ve sayısal işlemlerde; sağ hemisferin ise yüz işleme ve görsel-uzamsal becerilerde uzmanlaştığını ortaya koymuştur. Öte yandan gelişmekte olan beyne sahip olan çocuklardaki hemisferik asimetrilerin yetiş- kinlerden bazı farklılıklar gösterebileceği düşünülmektedir. Bu nedenle sunulan makalede yetişkinlere göre daha az çalışılmış bir grup olan çocuklarda sol hemisferin özelleşme gösterdiği sözel ve sayısal işlemlere ve sağ hemisferin özelleşme gösterdiği yüz işleme ve görsel-uzamsal işlemlere ilişkin literatüre yer verilmiştir. Ayrıca çocuklarda iki hemisfer arasındaki etkileşiminin gelişimine dair çalışmalara değinilmiştir.

Hemispheric Asymmetries in Children's Cognitive Functions

Although, the right and the left brain are similar in their appearance; they have different functional specializations. A large number of studies conducted with adults has indicated that typically the left hemisphere is specialized in verbal and numerical processes, while the right hemisphere is specialized in visual-face processing and visuo-spatial abilities. On the other hand, it was thought that hemispheric asymmetries in children who have developing brains may differ from those of adults. Therefore, in this article, the literature concerning typical left hemispheric functions (verbal and numerical processes) and right hemispheric functions (face processing and visuo-spatial abilities) in -aless studied group- children are reported. In addition the development of inter-hemispheric interaction in children is discussed.

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