Lead Story

Subtypes in addiction and their neurobehavioral profiles across three functional domains 

Translational Psychiatry

Over two-thirds of the 40.3 million people in the U.S. who have a substance use disorder (SUD) return to use within weeks to months of initiating treatment, and up to 85% of individuals return to substance use within one year of treatment completion. This study hypothesized that considerable individual differences exist in the three functional domains underlying addiction — approach-related behavior, executive function, and negative emotionality. Results support functionally derived subtypes, demonstrating considerable individual heterogeneity in the multi-dimensional impairments in addiction. This confirms the need for mechanism-based subtyping to inform the development of personalized addiction medicine approaches.

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