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About 1 million American adolescents start smoking every year. Adolescents may be unusually sensitive to certain consequences of nicotine, demonstrating, for instance, significantly higher rates of dependence than adults at the same level of nicotine use. To explore whether adolescents may be more sensitive to rewarding properties of nicotine than adults,(More)
Social interactions have been shown to be rewarding for adolescent and adult rats; however, there has been little emphasis on comparing the strength of the rewarding value of social stimuli across ontogeny. Since age differences in social interactions may vary with sex or housing circumstances, the present study assessed social conditioned place preference(More)
Elevated levels of novelty seeking are often seen during adolescence. Recent studies using a conditioned place preference (CPP) paradigm have shown that novelty may be rewarding for adult rats. The present study explored the impact of age, sex, and isolation stress on novelty seeking and novelty reward by assessing novel object-induced CPP in adolescent and(More)
Neurobehavioral alterations evident in offspring of Sprague-Dawley rat dams exposed to 40 mg/kg/day cocaine subcutaneously from gestational days 8-20 are reviewed. Consequences for offspring are often age dependent: for instance, reliable deficits in classical conditioning are evident during the early postnatal period, whereas cognitive effects are less(More)
History buffs who focus on the world between the wars will find plenty to ponder in Adam Cohen's Nothing to Fear. Openly critical books—from The Roosevelt Myth (1948) by John T. Flynn to FDR's Folly (2003) by Jim Powell—have laid bare the politics and economics of Roosevelt's New Deal, showing us how not to deal with a depressed economy. The minimum wage,(More)
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