Dean Shumway

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BACKGROUND Marked interindividual differences in vulnerability to nicotine dependence exist, but factors underlying such differences are not well understood. The midbrain alpha4beta2* subtype of nicotinic acetylcholine receptors (nAChRs) has been implicated in mediation of the reinforcing effects of nicotine responsible for dependence. However, no study has(More)
BACKGROUND The Health Care Climate Questionnaire measures patient perceptions of their clinician's autonomy supportive communication. We sought to evaluate the psychometric properties of a modified brief version of the Health Care Climate Questionnaire (mHCCQ) adapted for breast cancer patients. METHODS We surveyed 235 women aged 20-79 diagnosed with(More)
To advance understanding of the neurochemical changes in Parkinson's disease (PD), we compared D2-like dopamine receptor occupancy by dopamine in the control and lesioned putamen of four pig-tailed macaques treated unilaterally with MPTP. PET and in vitro binding techniques were used to measure binding potential (BP(*)) and density of D2-like dopamine(More)
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