Dr. Heitzeg is a Research Investigator in the Department of Psychiatry's Division of Substance Abuse and Addiction Research Center. She was trained in biopsychology and cognitive neuroscience at the University of Michigan's Department of Psychology and completed postdoctoral training at the University of Michigan Addiction Research Center. Her primary research focus is on developmental neuroimaging targeted at investigating genetic and behavioral risk factors for substance abuse. This research is supported by Dr. Heitzeg's NIDA-funded grant, "Longitudinal fMRI Study of Youth at Risk for Drug Abuse." Her other main research interests include comorbidity between substance use disorders and depression and the emergence of sex differences in the occurrence of these disorders during adolescence; sleep disturbances in children at risk for depression and substance abuse; and effects of nicotine in the brain and neurocognitive risk and consequences of smoking. Dr. Heitzeg is also co-investigator on two NIH-funded grants, ""Neurocognitive risk for alcoholism into adulthood" (funded by NIAAA) and "Neurochemical endophenotypes in pain-stress" (funded by NIDA).