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Slopen N, Williams DR. Discrimination, other psychosocial stressors, and self-reported sleep duration and difficulties. Sleep. 2014;37(1):147-56. doi:10.5665/sleep.3326.
OBJECTIVES: To advance understanding of the relationship between discrimination and sleep duration and difficulties, with consideration of multiple dimensions of discrimination, and attention to concurrent stressors; and to examine the contribution of discrimination and other stressors to racial/ ethnic differences in these outcomes. DESIGN: Cross-sectional probability sample. SETTING: Chicago, IL. PARTICIPANTS: There were 2,983 black, Hispanic, and white adults. MEASUREMENTS AND RESULTS: Outcomes...
Smith MA, Pitts EG. Social preference and drug self-administration: a preclinical model of social choice within peer groups. Drug Alcohol Depend. 2014;135:140-5. doi:10.1016/j.drugalcdep.2013.12.001.
BACKGROUND: selection models of substance use propose that individuals choose or self-select into peer groups based on shared substance use histories. Few experimental studies have examined the role of selection in substance use, possibly because few preclinical models allow subjects to choose or select individuals based on a shared self-administration history. METHODS: In the present study, we used custom-built, three-compartment, operant conditioning chambers that permitted multiple rats to self-...
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