“Motivation deficit in ADHD is associated with dysfunction of the dopamine reward pathway. Molecular Psychiatry, 302, 1084–1091; Volkow, N. D., Wang, G., Kollins, S. H., Wigal, T. L., Newcorn, J. H., Telang, F.,…Swanson, J. M. (2009).”
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Thomas E. Brown