顔の形と女性の魅力に対する判断

D I Perrett¹, K A May, S Yoshikawa

¹School of Psychology, University of St Andrews, Fife, UK.

Nature

|March 17, 1994

まとめ

顔の魅力とは,単に平均的なことだけではない. 研究によると,魅力的な顔は,形状の違いを誇張することでさらに魅力的になることがあり,好みが進化的選択を促すことを示唆しています.

科学分野:

進化生物学の進化生物学について
心理学心理学とは
アントロポメトリー・アンソポメトリー

背景:

平均性仮説は,顔の魅力は平均的な顔の構造から生じるという仮説である.
この仮説は,安定した選択が平均的な現象型を好むことを示唆している.
しかし,特定の顔の尺度と魅力との相関関係はこの考えに異議を唱えている.

研究の目的:

顔の魅力が本当に平均性によって表現されているかどうかを調査する.
人間の嗜好が,顔の進化に方向性選択の圧力を及ぼしているかどうかを調べる.
複合顔画像を用いて平均性仮説を検証する.

主な方法:

写真とデジタルを組み合わせた複合顔の作成.
魅力的な顔の平均形状とサンプル平均を比較する好みテスト.
顔の複合素材に関するクロスカルチャーオブザーバー研究 (日本語とコーカシア語).

主要な成果:

魅力的な顔の平均形は,サンプル平均よりも好み,平均性仮説と矛盾していた.
魅力的な複合材料の形状の違いを誇張することで,その魅力をさらに高めました.
顔の形状に関するクロスカルチャー的な美学的な判断は,一貫した好みを示した.

結論:

顔の魅力は,平均的なものにのみ基づくものではありません.
人間の好みは,人間の顔の形態学の進化に対する方向性選択圧力として作用する.
研究結果は,性選択が顔の特徴の形成に役割を果たす可能性があることを示唆している.

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