Curtis S Harrod

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Behavioral and neurochemical effects of several drugs that increase punished responding were studied in pigeons. Key pecking was established under a schedule of reinforcement in which periods of food-maintained responding alternated with periods in which behavior also was suppressed by the presentation of electric shock. Buspirone (0.1-10.0 mg/kg), gepirone(More)
The effects of spiroxatrine, a putative antagonist with selectivity for the serotonin (5-HT)1A receptor, were compared with compounds believed to function as agonists at the 5-HT1A receptor. Schedule-controlled responding of pigeons was maintained under a multiple 30-response fixed-ratio (FR), 3-min fixed-interval (FI) schedule or under a schedule in which(More)
OBJECTIVES To examine associations between exposure to prenatal smoking and early-life changes in fat mass (FM), fat-free mass (FFM), and anthropometrics. METHODS About 670 mother-offspring pairs were analyzed in the longitudinal Healthy Start study. Maternal smoking data were collected during prenatal research visits. Offspring body composition and size(More)
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