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Experience with stress situations during early development can have long-lasting effects on stress- and anxiety-related behaviors. Importantly, this can also favor drug self-administration. These studies examined the effects of chronic social isolation and/or variable stress experiences during early development on subsequent voluntary ethanol intake in adult male and female C57BL/6J mice. The experiments...
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 adult male and female Sprague-Dawley rats...
Anxiety may play an important role in the onset of smoking, particularly in young girls. This study examined whether there were sex differences in the effects of nicotine on anxiety in adolescent rats and whether social isolation modified these effects. Male and female adolescent rats were housed in groups of the same sex or in social isolation for seven days prior to testing in the social interaction...
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