有物质使用障碍的个体经历了更强烈的冲动,转移到复杂的音乐
Jan Stupacher1, Benedetta Matarrelli2, Danilo Cozzoli3
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music Aarhus/Aalborg, Aarhus 8000, Denmark.
概括
长期使用物质会改变大脑的多巴胺系统,影响音乐感知. 吸毒者在复杂的音乐中体验到更强烈的沟,这表明奖励系统参与的门更高.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 音乐感知 音乐感知
背景情况:
- 药物使用障碍 (SUDs) 破坏大脑的多巴胺基系统,影响运动,奖励,感知和认知.
- "道"的体验 - - 向音乐移动的冲动 - - 是多巴胺依赖的,涉及奖励,预期,节拍感知和运动活动.
研究的目的:
- 调查长期使用可卡因和海洛因对多巴胺下调如何影响对音乐曲的主观体验.
- 将SUD患者的音乐感知与多巴胺功能改变的其他人群进行比较.
主要方法:
- 利用一种范式,证明了格鲁夫和音乐复杂性之间的反转U关系.
- 长期使用可卡因和海洛因的人与不同音乐复杂度的非使用者比较道经验.
主要成果:
- 与非用户相比,患有SUD的个人报告了对高节奏和和复杂性的音乐的更强烈的沟反应.
- 适度的音乐复杂性在用户和非用户群体中引起了类似的沟反应.
- 在SUD中,这种改变音乐感知模式与帕金森病或音乐无症等疾病不同.
结论:
- 长期使用物质独特地改变了音乐的感知,个人寻求更强烈和复杂的听觉刺激.
- 研究结果支持这样一个假设,即SUDs中的低多巴胺基状态提高了非药物刺激激活奖励系统的门.
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