リラックス中の脳活動に対する音楽の知覚と音楽特性の影響における個々の違い
Rebecca Jane Scarratt1, Martin Dietz2, Peter Vuust3
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music Aarhus/Aalborg, Aarhus, Denmark. rebecca@clin.au.dk.
Cognitive, affective & behavioral neuroscience
|September 4, 2025
まとめ
穏やか で 馴染み深い 音楽 は,脳 の 活動 に 影響 を 及ぼし て 効果的に のんびり を 促進 し ます. 個々の反応は様々で 個人的な音楽ベースのリラックス戦略の必要性を強調しています
科学分野:
- 神経科学
- 心理学
- 音楽 療法
背景:
- 現代社会の過度な刺激は 慢性的なストレスを引き起こし 健康に深刻な影響を及ぼします
- 音楽は心拍数や 気分や安全感に影響を及ぼし,リラックスするための 有望なツールです.
研究 の 目的:
- 機能的磁気共鳴画像 (fMRI) を使用して,リラックス中の脳活動に対する音楽の影響を調査します.
- 異なるタイプの音楽 (馴染みのある音楽/馴染みのない音楽,落ち着いた音楽/活気のある音楽) が参加者のリラックス体験と神経反応にどのように影響するかを調べる.
主な方法:
- 57人のfMRIスキャンで 28人の参加者が音楽の断片を 聴いた後のリラックス感を評価しました
- 2x2のデザインは,馴染みのある/馴染みのない,そして穏やかな/活気のある音楽の特徴を評価した.
- 行動クラスタリングは,リラックス反応に基づいた異なる参加者グループを特定しました.
主要な成果:
- 落ち着いた音楽は 最も強いリラクゼーションの予測因子で 馴染みのある音楽が次でした
- 聞き慣れた音楽は 聴覚,運動,感情,記憶領域を活性化し 音声運動の同期を示唆しています
- 馴染みのない音楽は 注意に関する活動と相関しており 高い注意力の負荷を示しています
- 参加者のグループは 行動のリラックス反応と 異なる神経パターンを示しました
結論:
- 音楽の処理における個々の違いが リラックス反応に影響します
- 音楽の馴染みと落ち着きが リラックスに大きく影響を与えます
- ストレス管理とリラックスには 個人的な音楽による介入が不可欠です
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