半規管座標系による日本人頭蓋の形態解析

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タイトル別名
  • A morphological analysis of Japanese crania by means of the vestibular coordinate system
  • ハンキカン ザヒョウケイ ニヨル ニホンジン トウガイ ノ ケイタイ カイセキ

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説明

A total of 63 macerated Japanese crania of known sex were analyzed in terms of three dimensional coordinates of 36 landmarks in the vestibular coordinate system. The horizontal plane is defined by the plane of the lateral semicircular canals. The same data were analyzed in both Cartesian coordinates (X, Y, Z) and in polar coordinates (R, T, Z). In order to summarize the intra-populational variation, principal component analysis was performed on the correlation matrix of the coordinates. The first principal component accounting for over 30% of the total variance was interpreted as mainly expressing variance of facial orientation in relation to the vestibular horizontal. Comparison between the Japanese and European whites showed that while the occipital region was almost identical, orientation of the facial skeleton differed markedly in the two populations; the Japanese possessing a more antero-superiorly orientated facial skeleton in relation to the vestibular horizontal. The stability of the occipital region was a feature again confirmed when comparing 10 reference lines in various populations.

収録刊行物

  • 人類學雜誌

    人類學雜誌 89 (3), 329-350, 1981

    一般社団法人　日本人類学会

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