![]() ![]() ![]() ![]() These data are expected to illuminate how brain development is affected by substance use and other childhood experiences, such as patterns of sleep, use of social media, and engagement in sports and with video games. Data gathered from participants will allow the creation of baseline standards for typical brain development (similar to those that currently exist for height, weight, and other physical characteristics). It will integrate structural and functional brain imaging genetic testing and neuropsychological, behavioral, and other health assessments of study participants conducted over a 10-year period, yielding a substantial amount of information about healthy adolescent brain development. The ABCD Study will recruit more than 11,000 9- to 10-year-olds to capture data before children begin using alcohol or other addictive substances. In September 2015, NIH launched the Adolescent Brain Cognitive Development (ABCD) Study, the largest long-term study of brain development and child and adolescent health in the United States. Furthering our understanding of the developing brain-as well as how differences in brain structure and function that exist prior to alcohol and other substance use contribute to substance use disorders-is a high priority for the National Institutes of Health (NIH). Adolescent alcohol exposure can impair brain development, compromise short- and long-term cognitive functioning, and increase the likelihood of developing alcohol-related problems during adolescence and later in life. The brain, particularly the frontal cortex, continues to develop throughout adolescence and does not fully mature until early adulthood. Adolescence is the stage of life during which most people begin using alcohol, and it is also a time of considerable social, psychological, and physiological change. ![]()
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