コンピュータ による 系統 遺伝 学 は,手話 の 歴史 を 明らか に し ます
Natasha Abner1, Grégoire Clarté2,3,4, Carlo Geraci5
1Department of Linguistics, University of Michigan, Ann Arbor, MI, USA.
Science (New York, N.Y.)
|February 1, 2024
まとめ
コンピュータによる 系統遺伝的手法により 19 の手話の 系統構造が明らかになりました 伝統的グループ化に挑戦し,地政学的な影響力を強調しています.
科学分野:
- 言語学
- コンピュータ系遺伝学
- 人類学
背景:
- コミュニティの歴史を反映した自然言語です.
- 手話に関する歴史的文書や言語学的な記録は 限られていることが多い.
- 信号言語の進化のダイアクロニクス分析はデータ不足のために困難です.
研究 の 目的:
- 世界的に19の手話言語の家族構造を分析するために,計算的系統学法を適用する.
- 音声学的にコード化された語彙データを用いて,手話の関連性を推測する.
- 記号言語における規則的な形態の変化を研究するための系統学的方法の有用性を探求する.
主な方法:
- 計算による遺伝学的な方法を使用した.
- 現代の手話言語から発音的にコード化された語彙データを分析した.
- 19の異なる手話の関係と家族構造を推測する.
主要な成果:
- 推論された系統樹は 既知の歴史的情報と一致していた.
- この研究は,以前に想定された 特定の手話言語のグループ化に異議を唱えた.
- 遺伝学的な推論は地理的分布のみに基づいたものではなく,地政学的影響を強調した.
結論:
- 言語の進化と関連性を研究するのに 計算型遺伝学的な方法が有効である.
- これらの方法は従来の分析方法を超えた洞察を提供します.
- 地政学的な要因は,手話の歴史的発展において重要な役割を果たしています.
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