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受到个人重视的声音会引发奖励动机的行为和大脑反应
Elise Kanber1, Jonathan P Roiser2, Carolyn McGettigan1
1Speech, Hearing and Phonetic Sciences, UCL, 2 Wakefield Street, London WC1N 1PF, United Kingdom.
Social cognitive and affective neuroscience
|May 26, 2025
概括
听到音乐偶像的声音会激活大脑中的奖励通路,这表明重视的声音可以驱动有动力的行为,并作为有效的奖励.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 听觉感知是一种听觉感知.
背景情况:
- 人们经常非常重视听到熟悉的声音,尤其是亲人的声音.
- 然而,支持特定声音奖励价值的经验科学证据是有限的.
研究的目的:
- 调查是否个人重视的声音引起奖励动机的行为和相关的神经反应.
- 探索偏社会兴趣在语音相关奖励中的作用.
主要方法:
- 进行了三个实验:两个行为和一个功能磁共振成像 (fMRI).
- 新的语音激励延迟任务被用来测量行为反应和大脑活动.
- 参与者预计将听到音乐偶像的声音,熟悉的个人和不熟悉的个人,以及纯粹的音调控制.
主要成果:
- 与不熟悉的声音或音调相比,听众在预测他们的音乐偶像的声音时表现出更快的行为反应.
- 与不熟悉的声音相比,仅仅对声音的熟悉性并没有显著提高奖励动机的行为.
- fMRI数据显示,在音乐偶像声音条件下,奖励处理大脑区域的激活增加,对其他熟悉/不熟悉的声音的反应不那么明显.
结论:
- 与强烈的偏社会兴趣相关的声音可以作为强大的奖励,影响行为和大脑活动.
- 这些发现提供了神经生物学证据,证明了对特定的,令人佩的声音的奖励价值.
- 需要进一步的研究来确定这些影响是否延伸到个人认识的个人的声音.
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