関連する実験動画
Updated: Sep 9, 2025

09:39
The Trier Social Stress Test Protocol for Inducing Psychological Stress
Published on: October 19, 2011
56.7K
精神的ストレスの時の生理的反応と認知能力に対するtaVNSの影響
Lisa Drost1, André Schulz2, Auriane Möck2
1Department of Behavioral and Cognitive Sciences, University of Luxembourg, Belval, 2, avenue de l'Universite, L- 4365, Esch sur-Alzette, Luxembourg. lisa.drost@uni.lu.
Cognitive, affective & behavioral neuroscience
|September 4, 2025
まとめ
トランスキュタヌス・アトリキュラ・ヴァガス・神経刺激 (taVNS) は,健康な成人の急性ストレスを軽減したり,認知機能を改善したりしませんでした. しかし,相互に関連した生理学的測定によって示された自律的調節を強化しました.
科学分野:
- 神経科学
- 自律神経系の調節
- 認知心理学
背景:
- トランスキュタヌス・アトリキュラー・ヴァガス神経刺激 (taVNS) は,自律的機能と認知機能に影響することが知られている.
- taVNSが急性精神的および社会的ストレス反応に及ぼす影響は十分に理解されていません.
- ストレスに対する taVNSの影響を理解することは,潜在的な治療用途にとって極めて重要です.
研究 の 目的:
- 挑戦的な認知作業中に taVNSが急性共感的ストレス反応を緩和できるかどうかを調査する.
- 精神的ストレス下での 認知能力を改善するかどうか
- 身体的,心理的,行動的ストレスマーカーに taVNS の影響を調べる.
主な方法:
- 41人の健康な若いボランティアは 活発なタVNSまたは偽刺激を受けた.
- 参加者は社会的に評価されたペースオーディトリー・シリアル・アディション・タスク (PASAT) を受けた.
- 自律的な反応は,心電図と電気皮質活動を用いてモニタリングされ,自己報告も収集された.
主要な成果:
- PASATでは,自己報告されたストレス,不安,または認知機能に有意な変化はなかった.
- 生理学的ストレス反応 (心拍数変動,電気皮質活動) の有意な緩和は観察されなかった.
- taVNS群では,同情的および副同情的生理学的測定値の間の顕著な相互相関が認められた.
結論:
- taVNSは,このコホートにおける精神的/社会的ストレスに対する急性生理的,心理的,または行動的反応を弱めなかった.
- 観察された自律的測定値の相互相関は,taVNSが健康な個体における自律的調節を強化することを示唆している.
- ストレス調節と自律制御における taVNSの役割を明確にするためにさらなる研究が必要である.
関連する概念動画
Psychological Responses to Stress
97
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...
97
Introduction to Stress and Lifestyle
176
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...
176
Physiological Foundation of Stress
156
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Role of the Sympathetic Nervous System
Adrenaline triggers the...
156
Stress and Mental Health
211
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
211
Stress Prevention and Stress Management Techniques III
107
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
107
Components of Stress
275
Stress analysis under multiple loading conditions is intricate, necessitating a comprehensive grasp of normal and shearing stresses. Consider a small cube at point O, subjected to stress on all six faces, visible or not. Normal stress components σx, σy, σz act perpendicularly to the x, y, and z axes. Shearing stress components τxy and τxz are exerted on faces perpendicular to these axes.
Interestingly, the hidden cube faces also experience these stresses, equal and...
Interestingly, the hidden cube faces also experience these stresses, equal and...
275

