関連する実験動画
Updated: Sep 9, 2025

09:11
Cortisol Measurement in Koala Phascolarctos cinereus Fur
Published on: August 23, 2019
10.8K
ボノボ (パン・パニスカス) の コルチゾールに 社会的導入が 影響するのでしょうか?
Lauren Mitchell1, Jared Taglialatela1,2, Sarah Guindre-Parker1
1Department of Ecology, Evolution, & Organismal Biology, Kennesaw State University, Kennesaw, Georgia, USA.
Zoo biology
|September 2, 2025
まとめ
集団に新しいボノボを導入することは 住民ではなく 新しい個人にストレスをもたらしました 社会的動物は ストレスを効果的に管理するために 慎重に導入し 孤立を避けることが推奨されます
科学分野:
- 霊長類学
- 動物 の 行動
- 内分泌学
背景:
- 社会的動物は ストレスから身を守るために 集団生活をすることが多いのです
- 社会的ダイナミクスの変化も 重要なストレス要因となり ホルモンレベルに影響を及ぼします
- グルココルチコイドは コルチゾールと同じく ストレスの時に ホメオスタシスを調節する 重要なホルモンです
研究 の 目的:
- 飼育中のボノボのグルココルチコイド濃度に対する社会的環境の変化の影響を調査する.
- 社会的統合の過程で,既定のグループメンバーと新しい個人のストレス反応を比較する.
主な方法:
- コルチゾール濃度 (クレアチニン調整) のモニタリング 捕獲ボノボの尿サンプル
- 新しいグループメンバーを導入する前に,その間に,そしてその後にサンプルを採取します.
- ストレスホルモンの変動を観察する 居住者と移住者の両方で
主要な成果:
- ボノボのコルチゾールのレベルは 社会的統合の過程で安定していました
- 新たに導入されたボノボは コルチゾールの値が 到着時に上昇し 徐々に統合するにつれて 低下しました
- 移住したボノボは 住んでいたボノボよりも 強いストレスを経験したようです
結論:
- 新しい社会人との出会いは,特に新しい人にとって,大きなストレスになる可能性があります.
- 慎重に段階的に導入し,長期にわたる孤立を避けることは,新しいメンバーを社会集団に統合するために不可欠です.
- 人間が介在する社会的な導入は,社会的な動物におけるストレスを最小限に抑えるために,自然的な分散パターンを模倣することを目指すべきです.
関連する概念動画
Naturalistic Observations
15.9K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
15.9K
Introduction to Stress and Lifestyle
177
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
177
Psychological Responses to Stress
98
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
98
Hormones of the Adrenal Glands
2.8K
Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and...
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and...
2.8K
Social Exchange Theory
35.4K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
35.4K
Social Facilitation
32.8K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
32.8K

