Cognitive and Emotional Aspects of Error Responsiveness in Depressive College Students

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2006
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Haverford College. Department of Psychology
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Award
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eng
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Open Access
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Abstract
The purpose of this study was to analyze the error responsiveness of depressive college students and to attempt to determine the contributions of emotional and cognitive processes to this response. This response was analyzed by measuring three event-related electrical signals originating in the Anterior Cingulate Cortex (ACC)—the response Error-Related Negativity (rERN), feedback ERN (fERN), and error Positivity (Pe)—as well as reaction time and accuracy following an error. A high depression group and an anxiety-matched control group were tested on an emotional and cognitive Stroop task. The expected increase in amplitude after errors was seen for the rERN and Pe but not for the fERN. While none of the error signals or behavioral compensation measures differed significantly between groups, there were surprising interactions found for the rERN and Pe suggesting that depression might be related to a larger Pe and a smaller rERN. This study provides many important points of comparison for other ERP and ACC studies in anxiety and other disorders.
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