Debjani Kar*, Nishant Goyal and Sreemoyee Tarafder
July 04, 2023
DOI : 10.56831/PSMPH-03-078
Impulsivity has been conceptualized as a predictive factor among various problem behaviours of people who are clinically diagnosed with psychiatric disorders. In recent decades, there has been an attempt to understand impulsivity in terms of brain activities. The trait impulsivity is measured through P3a and P3b amplitudes to understand how they might change in pathological populations. Altered P300 is a biomarker for psychotic disorders, neurotic disorders, and various disorders related to addiction. Overall, P300 can be associated with impulsivity and inhibitory control. However, in different psychiatric disorders, the nature of changes in P300 indicated different types of underlying processing in decision-making and response inhibition.
Keywords: Impulsivity; P300; Psychopathology; Addiction; Psychosis