modafinil

Definition / meaning of modafinil

A synthetic central nervous system stimulant with wakefulness-promoting activity. Modafinil appears to inhibit dopamine reuptake, resulting in an increase in extracellular dopamine. This agent exhibits pronounced wakefulness-promoting activity (without sympathomimetic activity) and may improve cognitive function in certain clinical settings.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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