関連する実験動画
Updated: Sep 10, 2025

14:04
Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
Published on: August 26, 2011
12.6K
感情認識における年齢関連のポジティビティバイアスは,認知能力の低下と amigdala-orbitofrontal 接続性の変化と関連しています
Noham Wolpe1,2,3, Daniel Harlev1,4, Eyal Bergmann4
1Department of Physical Therapy, The Stanley Steyer School of Health Professions, Faculty of Medical & Health Sciences, Tel Aviv University, Tel Aviv 6997801, Israel.
まとめ
ポジティブな感情を好む傾向があります ポジティブな感情を好む傾向があります このバイアスは 認知機能の低下と 特定の脳の変化に関連しており 早期の神経変異を 示唆しています
科学分野:
- 神経科学
- 心理学
- ゲロントロジー
背景:
- 感情を認識する能力は 年齢や認知症 精神疾患によって変化します
- ポジティブな感情を より良く認識し ポジティブな感情を より良く評価します
- このバイアスは 幸福を助長すると考えられていますが 認知機能の低下や脳損傷にも繋がっています
研究 の 目的:
- 感情の認識における 年齢によるポジティブバイアスを調べるため
- ポジティブ・バイアスと認知能力と 鬱病の症状の関連性を調べる
主な方法:
- 大人の生涯にわたる大規模な集団 (n=665) で,マルチモダル脳画像を用いた.
- 顔の表情を用いた 感情認識の心理分析を行いました
- 認知能力,うつ病症状,灰色の質量,機能的接続性との関連を調べた.
主要な成果:
- 高齢者は ネガティブな感情を認識する 値が高くなり ポジティブな感情を認識する 値が低くなりました
- ポジティビティバイアスは認知能力の低下と強く関連しているが,うつ病の症状とは関係なかった.
- 前部ヒポカンプス-桃体の灰色の質量減少と軌道前頭皮質との機能的接続性の変化と相関するポジティブバイアス.
結論:
- 年齢に起因するポジティビティバイアスは 認知能力の低下と 脳の構造と機能の違いに関連しています
- このバイアスは神経変性症の早期マーカーとして機能し,さらなる縦断的な調査を正当化します.
- この発見は,高齢化による認知機能低下の早期発見と介入戦略に意味を持つ.
関連する概念動画
Role of Amygdala in Memory
394
The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
One of the...
394
Physiology of Emotion
1.4K
The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
1.4K
Facial Feedback Hypothesis
244
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
244
Stereotypes, Prejudice, and Discrimination
91.4K
Humans are very diverse and although we share many similarities, we also have many differences. The social groups we belong to help form our identities (Tajfel, 1974). These differences may be difficult for some people to reconcile, which may lead to prejudice toward people who are different. Prejudice is a negative attitude and feeling toward an individual based solely on one’s membership in a particular social group (Allport, 1954; Brown, 2010). Prejudice is common against people who...
91.4K
Cognitive Theories: Schachter-Singer Theory of Emotion
583
Stanley Schachter and Jerome Singer proposed the two-factor theory of emotion, which emphasizes the interplay between physiological arousal and cognitive labeling in forming emotional experiences. This theory suggests that emotions are not simply a result of physiological responses but rather a combination of these responses and the individual's cognitive interpretation of them.
Physiological Arousal and Cognitive Labeling
According to this theory, when an individual experiences...
Physiological Arousal and Cognitive Labeling
According to this theory, when an individual experiences...
583
Functional Brain Systems: Limbic System
3.9K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
3.9K

