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反馈相关负波(feedback-related negativity,FRN)是由外部反馈诱发的一种脑电波成分,最大峰值在负性反馈之后的250～300ms左右,研究发现偶极子源多定位于前扣带回(anterior cingulate cortex,ACC)附近。目前对于FRN的功能意义的解释主要有强化学习理论和情绪动机假说。多项研究表明FRN与多种心理疾病改变和相关人格特质之间存在相关。
Feedback-related negativity (FRN) is an EEG component induced by external feedback. The maximum peak value is about 250-300ms after negative feedback. It is found that the dipole source is located in the anterior cingulate multiple (anterior cingulate cortex, ACC). At present, the explanation of the functional significance of FRN mainly includes the reinforcement learning theory and the emotion motivation hypothesis. A number of studies have shown that there is a correlation between FRN and various psychological changes and related personality traits.