Journal
JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY
Volume 62, Issue 4, Pages 437-440Publisher
WILEY
DOI: 10.1111/jcpp.13311
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Funding
- National Institute on Drug Abuse
- National Institute on Alcohol Abuse and Alcoholism of the National Institutes of Health [K01DA037280, R21AA026632]
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Substance abuse is linked to differences in brain structure and function, as well as neurocognitive impairment. Research designs that can provide causal information, such as prospective longitudinal studies and twin and family studies, are essential for understanding the impact of substance use on the developing brain and identifying factors that can break the cycle of addiction.
That substance abuse is associated with differences in brain structure and function, and related neurocognitive impairment is undisputed. Causally informative study designs, such as the prospective, longitudinal study leveraged by Kim-Spoon et al. (2020), as well as twin and family studies, are necessary for answering vexing but critical questions about substance use and the developing brain. Investigations that seek to differentiate cause from consequence and identify the factors that initiate the cycle of addiction have the potential to transform our understanding of the development of substance use and abuse, prompt revisions to current models of addiction, guide the most strategic preventive-intervention efforts, and ultimately improve the lives of millions of affected individuals and their families.
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