has subject area Brain Chemically-Induced Disorders - Substance Withdrawal Syndrome Chemically-Induced Disorders - Substance-Related Disorders Diagnostic Imaging - Neuroimaging Diagnostic Techniques, Neurological - Neuroimaging Executive Function Health Care Evaluation Mechanisms - Treatment Outcome Health Services Administration - Treatment Outcome Humans Investigative Techniques - Neuroimaging Mental Disorders - Substance Withdrawal Syndrome Mental Disorders - Substance-Related Disorders Nerve Net Prognosis - Treatment Outcome Reward