コメント on "ログか,線形か? 西洋とアマゾン原住民の文化における数字スケールの明確な直感"
Jessica F Cantlon1, Sara Cordes, Melissa E Libertus
1Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA. jfc2@duke.edu
まとめ
ムンドゥルルク語話者は,本質的に数字を空間で対数的に表さないかもしれません. アナログ的空間マッピングによる代替的線形エンコーディングは依然として可能性であり,以前の数学的認知理論に挑戦しています.
科学分野:
- コグニティブ・サイエンス コグニティブ・サイエンス
- 言語学 言語学とは
- 心理学 心理学とは
背景:
- 正式な数体系を持たない言語であるムンドゥルルクーの話者における数学的認知を調査しています.
- Dehaene et al.を調査しています. (2008) 数値の対数的空間表現の仮説.
研究 の 目的:
- 正式な数字系を持たない言語であるムンドゥルルクーのネイティブスピーカーにおける数値表現を調査する.
- 数値の固有の対数的空間表現の仮説に異議を唱えるために.
主な方法:
- Dehaene et al.からの既存のデータの分析 (2008) は,ムンドゥルク語話者の数学的認知に関するものです.
- 実験結果の代替解釈の検討.
主要な成果:
- Dehaene et al.が提示したデータ 数値表現のためのロガリズム空間連続を独占的にサポートしない.
- スキャラ変数を持つ線形エンコーディングの代替モデルは,観測されたデータと一致しています.
結論:
- Mundurucu の話者における数値の固有の表現は,対数ではないかもしれません.
- アナロジーによる空間数マッピングの心理的構築は,合理的な代替説明を提供します.
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