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首页> 外文期刊>The European Journal of Neuroscience >Attenuation of auditory N1 results from identity-specific action-effect prediction
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Attenuation of auditory N1 results from identity-specific action-effect prediction

机译：听觉N1的衰减来自特定身份的行动效果预测

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摘要

The auditory N1 event-related potential has previously been observed to be attenuated for tones that are triggered by human actions. This attenuation is thought to be generated by motor prediction mechanisms and is considered to be important for agency attribution. The present study was designed to rigorously test the notion of action prediction-based sensory attenuation. Participants performed one of four voluntary actions on each trial, with each button associated with either predictable or unpredictable action effects. In addition, actions with each hand could result in action effects that were either congruent or incongruent with hand-specific prediction. We observed no significant differences in N1 amplitude between predictable and unpredictable tones. When contrasting action effects that were congruent or incongruent with hand-specific prediction, we observed significant attenuation for prediction-congruent compared to prediction-incongruent action-effects. These novel findings suggest that accurate action-effect prediction drives sensory attenuation of auditory stimuli. These findings have important implications for understanding the mechanisms of action-effect prediction and sensory attenuation, and may have clinical implications for studies investigating action awareness and agency in schizophrenia.
机译：之前已经观察到与听觉N1事件相关的电位因人为动作而被减弱。这种衰减被认为是由运动预测机制产生的，并且被认为对于代理归因很重要。本研究旨在严格测试基于动作预测的感觉衰减的概念。参与者在每个试验中执行了四个自愿动作之一，每个按钮都与可预测或不可预测的动作效果相关联。此外，每只手的动作都可能导致动作效果与特定于手的预测一致或不一致。我们观察到可预测音和不可预测音之间的N1幅度没有显着差异。当将与手特定预测一致或不一致的动作效果进行对比时，我们发现与一致预测的动作效果相比，预测一致的衰减明显。这些新发现表明，准确的动作效果预测可驱动听觉刺激的感觉衰减。这些发现对于理解作用效果预测和感觉减弱的机制具有重要意义，并且对于研究精神分裂症中作用意识和作用的研究可能具有临床意义。

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