ハンブルミツバチ は 視覚 感覚 と 触覚 感覚 の 間 で 交差 し て 物体 を 認識 する
Cwyn Solvi1,2, Selene Gutierrez Al-Khudhairy3, Lars Chittka3
1School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK. cwyn.solvi@mq.edu.au.
まとめ
ハチは視覚だけを使って 触覚で学習した形状を認識し その逆もできます これは,物体の形状のモダリティー独立の内部表現の能力を示しています.
科学分野:
- 動物の認知能力
- 感覚統合
- 神経科学
背景:
- 動物は物体の形を 報酬と結びつけます
- 以前の理解では 形状認識は 単一の感覚の モダリティに 限定される可能性が示唆されていました
- 形状の形態独立の内部表現の存在は不明確でした.
研究 の 目的:
- ハンブルミツバチが モダリティに 依存しない 物の形状の内部の表現を持っているか 調べる
- ハンブルミツバチの 交差点認識能力を 探求するためです
- 異なるモダリティーで 感覚情報を統合できるかどうかを判断する.
主な方法:
- ハンブルミツバチは 暗闇の中で触ったり 光の中で見たりして 立方体と球体を区別するよう訓練されました
- 初期訓練の後 蜂は別の感覚方式を使って 同じ物体を区別する能力をテストしました
- クロスモダルの試験段階での物体との直接的な触覚または視覚体験を制御した試験.
主要な成果:
- ミツバチは視覚を使って 触覚で学習した形状を 区別することに成功しました
- ハチミツは 触覚でテストしたときに 視覚で学習した形状を 識別することに成功しました
- これらの発見は,物体の形状のクロスモダル認識の成功を示しています.
結論:
- ハンブルミツバチは,物体の形状を形状から独立して内部で表現する能力を発揮します.
- この発見は ハチが様々な方法で 感覚情報を統合できることを示しています
- この研究は 昆虫の洗練された認知処理の証拠を提供し 感覚の限界に関する以前の仮定に 異議を唱えます
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