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Yıl:2005; Cilt: 15; Sayı: 3>> Özet
TAM METİN
Klinik Psikofarmakoloji Bülteni; 2005;15(3):138-152
Kadın ve Erkek Beyninin Farklılıkları
E Eşel
Erciyes Üniversitesi Tıp Fakültesi Psikiyatri Ad, Kayseri
Kadın ve erkeklerin beyin işlevleri arasında bazı farklılıkların olduğu son yıllardaki bilimsel çalışmalarla ortaya konmuştur. Bunun dışında kadın ve erkek beyninin yapısal, fizyolojik ve biyokimyasal olarak da bazı farklılıklar gösterdiği bilinmektedir. Ancak cinsiyetler arasındaki işlevsel farklılıkların bu yapısal ya da biyokimyasal farklılıklardan kaynaklanı p kaynaklanmadığı çok belirgin değildir. Beynin yapısında ve işlevlerinde görülen cinsiyete özgü bu iki yönlülüğün (dimorfizm) ve cinsel kimlik ve yönelimin gelişiminin büyük oranda doğumdan önceki hassas bir dönemde beynin maruz kaldığı gonadal steroidlerin tür ve düzeyine bağlı olduğu düşünülmektedir. Bu yazıda beynin cinsiyetler arasındaki işlevsel ve yapısal farklılıkları gözden geçirilecek ve bu farklılıkların embriyolojik ve evrimsel temellerine de değinilecektir
Differences between male and female brains
Recent scientific investigations have revealed some considerable differences in the brain functions of women and men. It is known that male and female brains differ in certain structural, physiological and biochemical aspects. However, it is not clearly known whether the functional differences between the two genders originate from these structural or biochemical differences. This sexual dimorphism in the structures and functions of the brain, and gender identity and orientation are thought to result, to a great extent, from the type and the level of the gonadal steroids which the brain is exposed to in a critical period of the embrional development. In this paper, the functional and structural differences of the brain between the male and female genders will be reviewed, and the embriological and evolutionary explanations will be discussed

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