人を扱う者と実験ラットとの間の感情的,行動的相互作用
Chloe Crichton Feddo1, Emma S J Robinson1, Justyna K Hinchcliffe1
1University of Bristol, School of Psychology and Neuroscience, Biomedical Sciences Building, University Walk, Bristol, BS8 1TD, UK.
Behavioural brain research
|February 21, 2026
まとめ
人間ハンドラーの自信と苦悩は,ラットの行動と発声に影響を与えます. ネズミの苦悩はハンドラーの苦悩と相関し,ハンドラーの自信と逆相関し,動物の福祉に影響を与えました.
科学分野:
- 動物の行動 動物の行動
- 実験動物科学の研究室動物科学
- エトロジー エトロジー エトロジー
背景:
- 人間と動物の相互作用は,実験室環境において極めて重要です.
- ネズミの行動に対するハンドラー特性の影響は十分に理解されていません.
研究 の 目的:
- 人間ハンドラーの特徴 (自信,経験,興奮) とラットの感情的指標との関係を調査する.
- ネズミの超音波発声 (USV) と行動的苦痛に対する人間の行動の影響を分析する.
主な方法:
- ハンドラーの特徴とラットの行動的苦痛スコアの相関分析.
- ラットの超音波発声 (50kHzと22kHzのUSV) の測定は,操作中に,および操作後に行われます.
- ハンドラーとラットの生理的興奮 (心拍数) のモニタリング.
主要な成果:
- ネズミは,ハンドリング後の50kHzのUSV (ポジティブ・アフェクト) を高めたが,22kHzのUSV (アヴェルシブ) は検出されなかった.
- ネズミの行動的苦痛はハンドラーの苦痛と正の相関があり,ハンドラーの自信と負の相関がある.
- ハンドラーの経験は自信と相関しているが,ネズミの行動やハンドラーの心拍数と直接関係はない.
結論:
- 観察可能な人間の行動,特に自信と苦痛は,ラットの感情状態に大きな影響を与えます.
- ハンドラーの感情的状態と自信は,実験室でのラットの福祉に影響を与える重要な要因です.
- この発見は,動物福祉の改善と,歯類の研究における科学的結果の信頼性にも影響を及ぼします.
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