Arthur MacNeill Horton

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This supplement issue on the treatment of marijuana use disorders describes two large multi-site field experiments: the Cannabis Youth Treatment (CYT) study with adolescents and the Marijuana Treatment Project (MTP) with adults. The papers cover multiple aspects of the treatment of cannabis users, including the rationale for studying cannabis use disorders,(More)
The General Neuropsychological Deficit Scale (GNDS) of Halstead-Reitan Neuropsychological Test Battery (HRNTD) is a summary measure used to differentiate brain-damaged from normal subjects. This study seeks to determine what happens to the GNDS if the IQ-related items are dropped. A sample of 40 heterogeneously brain-damaged patients with HRNTB scores was(More)
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