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Published on: March 17, 2019
Feedback-related negativity is correlated with unplanned impulsivity
Keiichi Onoda1, Satoshi Abe, Shuhei Yamaguchi
1Department of Neurology, Faculty of Medicine, Shimane University, Izumo, Shimane, Japan.
Aberrant feedback-related negativity (FRN) is linked to impulsivity. In healthy individuals, lower FRN amplitude correlated with higher unplanned impulsivity, suggesting FRN may indicate this trait.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Psychiatry
Background:
- Electroencephalogram (EEG) event-related potentials, specifically feedback-related negativity (FRN), show alterations in neurological and psychiatric conditions.
- Conditions like alcoholism and ADHD, often associated with high impulsivity, exhibit aberrant FRN.
- Impulsivity is a complex trait with various facets, including planning and decision-making.
Purpose of the Study:
- To investigate the relationship between FRN amplitude and impulsivity in healthy individuals.
- To determine if FRN can serve as a neurophysiological marker for specific aspects of impulsivity.
Main Methods:
- Participants underwent electroencephalogram (EEG) recording during a gambling task.
- FRN amplitude was measured during the task.
- Correlation analysis was performed between FRN amplitude and scores from the Barratt Impulsiveness Scale (BIS).
Main Results:
- A significant negative correlation was found between FRN amplitude and the nonplanning impulsiveness score from the BIS.
- This indicates that lower FRN amplitude is associated with higher levels of unplanned impulsivity.
Conclusions:
- FRN amplitude is associated with unplanned impulsivity in healthy adults.
- FRN may function as a neurophysiological marker for the tendency towards unplanned actions or lack of future orientation.
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