犬の社会的認知の飼いならしについて
Brian Hare1, Michelle Brown, Christina Williamson
1Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.edu
まとめ
飼い犬は,オオカミとは異なり,人間のヒントを読むためのユニークな社会認知能力を持っています. 幼い子犬でも明らかであるこれらの能力は,人間とのコミュニケーションを強化するために,家畜化中に選択することを示唆しています.
科学分野:
- 比較心理学とは比較心理学である.
- 動物の行動 動物の行動
- 飼い主化に関する研究.
背景:
- 犬は人間のコミュニケーションシグナルをうまく解釈し,隠された食べ物を探すというタスクでは類人猿を上回る.
- 以前の研究では,犬と他の犬類の社会的認知能力の違いが示されています.
研究 の 目的:
- 人間のコミュニケーション信号を読み取る犬のスキルの発達の起源を調査する.
- 人間の誘導に反応する犬とオオカミの社会的認知能力を比較する.
主な方法:
- 飼い犬の子犬と人間飼育のオオカミの行動テスト.
- 食品の位置を示す人間の指すジェスチャーやその他のコミュニケーションシグナルに対する反応を評価する.
主要な成果:
- 飼育犬の子犬は,人間との接触が最小限であっても,人間のコミュニケーション信号に従うという重要なスキルを発揮しました.
- 人間によって育てられたオオカミは,これらの信号を解釈する能力のレベルが同じではなかった.
結論:
- 犬は,人とのコミュニケーションのための先天的な社会認知能力を有しており,それは家畜化の過程で選択されています.
- これらの発見は,人間との種間コミュニケーションのための犬のユニークな適応を強調しています.
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