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Previous research suggests that under conditions of chronic daily caffeine administration, caffeine increases the effects of nicotine. Little is known about the effects of caffeine pretreatment on response to nicotine under infrequent caffeine administration conditions. The present study examined...
A typical temporal discounting procedure determines the present, subjective value (indifference point) of a delayed outcome at 5 to 8 different delays to that outcome. These indifference points are used to determine a single index of discounting called a discounting rate. One concern that remains...
Expectancies influence the initiation and maintenance of substance use. Given the increasing literature devoted to the rise of prescription stimulant misuse, an examination of expectancy effects associated with prescription stimulant use appears warranted. This study employed a revised version of...