违反特定身份的动作效应预测会增加瞳孔大小,并在P2延迟时减弱与听觉事件相关的潜力,当动作效应与行为相关时
Elisabeth Lindner1, Andrea Desantis2, Felicia Pei-Hsin Cheng3
1Cognitive Neuroscience Laboratory, German Primate Center - Leibniz Institute for Primate Research, Kellnerweg 4, 37077, Germany; Faculty of Biology and Psychology, Georg-August University, Wilhelm-Weber-Str. 2, 37073 Göttingen, Germany.
NeuroImage
|July 6, 2024
概括
对于所有预测的听觉动作效应,没有观察到感官衰减或对自我发起的声音的感知减少. 神经反应 (ERP) 和瞳孔扩张对预测敏感,特别是当影响指导后续行动时.
科学领域:
- 认知神经科学 认知神经科学
- 神经科学是一个神经科学.
- 听觉感知是一种听觉感知.
背景情况:
- 自主发起的感官事件通常比外部刺激感知得不那么强烈,这种现象被称为感官衰减.
- 目前尚不清楚,当行动效应预测与指导未来行动相关时,是否会持续发生感官衰减.
研究的目的:
- 调查感觉衰减是否由预测的听觉动作效应对后续动作的影响的相关性调节.
- 在不同的相关性条件下,检查动作效应预测的神经和生理相关性.
主要方法:
- 脑电图 (EEG) 用于记录人类参与者的听觉事件相关潜力 (ERP).
- 参与者通过按下与特定音调相关的键来生成两个声音序列,从而创建可预测的动作效果关系.
- 刺激在一致性 (匹配或违反预测) 和对后续行动选择的相关性方面有所不同.
主要成果:
- 在听觉效应相关时,观察到与一致试验相比,不一致的P2时间ERP组件减少.
- 这种P2调制是由不一致的相关声音的减少ERP驱动的,并且与瞳孔膨胀负相关.
- 没有通过一致性发现N1元件的调制,这表明在这种延迟时预测的听觉作用效应没有减弱.
结论:
- 对于预测的特定身份的听觉动作效应,感官衰减,特别是N1组件,似乎不存在.
- P2定时的ERP和学生大小对行动效果可预测性很敏感,特别是当影响对指导后续行动很重要时.
- 不一致的相关刺激可能会激发不同的注意力和错误处理机制.
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