Jamie M. Reeves

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Many studies have shown that human drug abusers are more impulsive than nonusers, but the mechanisms underlying this difference are unknown. C57BL/6J (B6) and DBA/2J (D2) mouse strains differ in sensitivity to the associative effects and in self-administration of several drugs of abuse. To determine whether these strains exhibit differences in impulsivity(More)
BACKGROUND Alcoholic individuals discount the value of future rewards more steeply than social drinkers, which is viewed as symptomatic of higher levels of impulsivity. However, the mechanisms underlying this difference are unknown. This study examined 2 hypotheses about the relationship between discounting and ethanol's effects in mice: (1) steep(More)
The perception of being safe, perceived safety, is an important component of health and the ability to work after exposure to traumatic events of all kinds. The relationship of perceived safety to posttraumatic stress disorder and depression has rarely been examined. This study examined symptoms of posttraumatic stress disorder, depression, and perceived(More)
BACKGROUND Alcoholics and heavy drinkers score higher on measures of impulsivity than nonalcoholics and light drinkers. This may be due to factors that predate drug exposure (e.g. genetics) or to neuroadaptations associated with exposure to alcohol. The aim of this study was to examine the role of genetics by comparing impulsivity in short-term selected(More)
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