However, longstanding animal and human studies have shown that prolonged exposure to stress may have a detrimental influence on mental and physical health 3, 4. Acute and moderate stress may cause adaptive stress response and allocate limited cognitive resources to the brain regions and organs that are currently demanded, thus increasing vigilance in response to changes and threats in the environment 1, 2. Inevitably, we will encounter various stressful events in our daily life. These results suggest that the higher the chronic stress level, the more sensitive the individuals are to their own errors as well as the more emotional/motivated attention the individuals distributed to their own errors. The correlation between PSS and the Pe amplitude holds true even after controlling the trait anxiety and depression symptoms. The results showed that the PSS score was positively correlated with the Pe amplitude but not with the ERN amplitude. The error processing was tested in a classical auditory Go/NoGo paradigm, and ERP components including early Error-related Negativity (ERN) and late Error Positivity (Pe) were computed as the indices of error processing. The present study aims to explore the relationship between chronic perceived stress by the Cohen Perceived Stress Scale (PSS) and different stages of error processing by the method of Event-Related Potential (ERP). However, to date, there is little research addressing the relationship between chronic perceived stress and error processing. Error processing, as one of the crucial components of executive function, plays an important role in cognitive and behavior control. Prolonged exposure to stress has a wide effect on the brain and cognition.
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