12ヶ月の幼児における純粋な推論は,確率的推論として推論される
Erno Téglás1, Edward Vul, Vittorio Girotto
1Cognitive Development Centre, Central European University, H-1015 Budapest, Hungary.
まとめ
前言語の幼児でさえ,洗練された推論能力を発揮し,複数の情報源を統合することによって,新しい状況についての合理的な期待を形成します. これは,複雑な予測推論が,これまで考えられていたよりもはるかに早く発達することを示唆しています.
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
- 発達心理学の心理学について
- 計算神経科学とは
背景:
- 生物は過去の経験統計を用いて将来の出来事を予測する.
- 人間は純粋な推論によって予測し,新しい状況のための情報を統合します.
研究 の 目的:
- 前言語の幼児における推論の存在と洗練性を調査する.
- 幼児が新しい出来事について合理的な期待を形成しているか否かを判断する.
主な方法:
- 12ヶ月の乳児の反応を観察し,動く物体の複雑な視覚的な表示を観察した.
- 赤ちゃんの期待の尺度として,赤ちゃんの眺める時間を分析する.
- ベイジアン理想的観察者フレームワークを用いて幼児の期待をモデル化.
主要な成果:
- 幼児は,将来の出来事について,時間によって変化する期待を形成します.
- 幼児の期待は,刺激変数の合理的関数である.
- 幼児の観察時間は,物体の動きに関するベイエスの理想的観察者予測と一致しています.
結論:
- プレヴェルバルの幼児は,豊かで強力で一貫した推論能力を持っています.
- 幼児のオブジェクト認知は,確率的推論モデルによって説明できます.
- 合理的な期待の形成は,人間の発達初期に存在します.
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