性選択,マキャベリアンの知能,そして精神病の起源
1Division of Psychiatry, Northwick Park Hospital, Harrow, UK.
Lancet (London, England)
|September 4, 1993
まとめ
性選択は,精神病が女性よりも男性に早く現れる理由を説明するかもしれない. 配偶者選択基準の差異は,脳の発達に影響を及ぼし,ヒト集団における精神病率を維持する可能性がある.
科学分野:
- 進化心理学の心理学について
- 神経科学は神経科学である.
- 精神科医は精神病を患っている.
背景:
- ダーウィンの性選択理論は,性別を区別する特徴は,男性の競争と女性の選択を通じて進化すると主張しています.
- 精神病の発症の年齢における性差異は,ヒトで観察されています.
- 男性がより大きな横向化を示す脳の組織における性二形態は,男性と女性の脳間の知られている違いです.
研究 の 目的:
- 人間の脳の進化における性選択の潜在的役割を調査する.
- 脳組織における性差異が精神病の発症年齢の違いと関係しているかどうかを調査する.
- 配偶者選択の基準が脳発達と精神病率にどのように影響するかを調べる.
主な方法:
- この研究は,進化論 (性選択) と神経生物学的概念 (脳の組織) と精神学的観察 (精神病の発症年齢) を統合しています.
- これは,配偶者選択 (結婚年齢) に関する異文化間のデータを,異なる基準の指標とみなしている.
- この研究は,脳の横向化,配偶者選択,精神病の流行の間の理論的リンクを提案しています.
主要な成果:
- 脳組織における性二形態化 (男性の超横向化) と精神病発症における性差異との間の潜在的な関連が提案されている.
- 性別間の異なる配偶者選択基準は,半球の成長バランスの多様性を引き起こす可能性があります.
- 脳の発達におけるこの多様性は,人間の集団における高い精神病率を維持するメカニズムである可能性があります.
結論:
- 性選択は人間の脳の進化を形作る上で,特に脳の組織に影響を与える役割を果たしたのかもしれない.
- 配偶者選択の好みの違いは,精神病に誘発する可能性がある神経発達変異に寄与する.
- 性選択,脳の横向化,配偶者選択の相互作用は,ヒト集団における精神病の持続に関する新しい視点を提供します.
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