Deficits in reward processing are established in mood and substance use disorders and are known risk factors for these disorders. Volume reductions of the orbitofrontal cortex and the striatum, regions that subserve neural response to reward, have been shown to be related to anhedonia in depressive and substance use disorders. The authors sought to investigate how structural maturation of these regions in childhood varies with level of anhedonia and predicts later substance use. Login at top right hand side of page using your SSSFT NHS OpenAthens for full text. SSOTP- Please contact the library to receive a copy of this article - http://bit.ly/1Xyazai