[閒聊] 先天還是後天? 輕風表示
大家不要吵
我手邊有本跟腦科學有關的書
我節錄給大家 跟邏輯無關 純粹實証科學
大家再拌嘴下去 我怕本版三絕 風哥 未來鼓手 ********(消音)
又要重出江湖了
從人類雙胞胎的研究顯示 同性戀顯然受遺傳影響 雖然後天並沒有被證明不重要
有一種症候群叫先天性腎上腺增生症 這類遺傳缺陷會讓帶著XY染色體的女嬰製造出
類似雄性類固醇激素 使她們的腦袋趨向男性化
即使出生後這項激素缺陷被導正過來 她們成年後還是比一般女性更容易對女性產生
性幻想
另外 如果母親懷孕期間服用已烯雌粉 所產下的女嬰 日後也有比較高的機率成為同性戀
此外 一般男性下視丘第三間核的大小是女性的兩倍大 男同志的此區域幾乎跟女性一樣大
以上都是統計 加實驗
所以到底同性戀是先天影響比較大還是後天 看倌可自行判斷
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