Error‐related brain activity in young children: associations with parental anxiety and child temperamental negative emotionality

There is increasing interest in error-related brain activity in anxiety disorders. The error-related negativity (ERN) is a negative deflection in the event-related potential approximately 50 ms after errors compared to correct responses. Recent studies suggest that the ERN may be a biomarker for anxiety, as it is positively associated with anxiety disorders and traits in adults and older youth. However, it is not known if the ERN in young...