The relationship between rumination and attention disengagement and the underlying neural mechanism

Abstract

<p id="C2">Rumination is a repetitively negative thinking which bring individual’s attention on negative and painful thoughts. Studies have shown that, rumination and impaired attentional disengagement are independent concepts, yet with closed connection. Impaired attentional disengagement can predict individual’s rumination, while impaired attentional disengagement related to rumination may be controlled by consciousness. Meanwhile, the role of rumination type and self-relevance between rumination and impaired attentional disengagement needs further exploration. In addition, training related to impaired attention disengagement significantly improves individuals’ rumination. And the excessive activation of amygdala, dysregulation of anterior cingulate cortex (ACC) for self-related negative information, abnormal activation of right dorsal lateral prefrontal cortex (DLPFC), structural and functional abnormalities of the brain neural networks associated with attention may be the reasons for the interaction between rumination and impaired attention disengagement.