Looking at Change: Examining Meaningful Variability in Psychophysiological Measurements

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      Linked Article

      • Understanding the Error in Psychopathology: Notable Intraindividual Differences in Neural Variability of Performance Monitoring
        Biological Psychiatry: Cognitive Neuroscience and NeuroimagingVol. 7Issue 6
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          Abnormal performance monitoring is a possible transdiagnostic marker of psychopathology. Research on neural indices of performance monitoring, including the error-related negativity (ERN), typically examines group and interindividual (between-person) differences in mean/average scores. Intraindividual (within-person) variability in activity captures the capacity to dynamically adjust from moment to moment, and excessive variability appears maladaptive. Intraindividual variability in ERN represents a unique and largely unexamined dimension that might impact functioning.
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