Erowid References Database
Handbook of human performance Vol 2. 1992.
Covers caffeine in foods and drugs and the physiological factors that govern caffeine's behavioral effects, including mechanisms of action, how it is metabolized, and the behavioral effects of caffeine consumption. Lieberman covers the effects of caffeine on sustained vigilance as well as the effects of caffeine on complex cognitive
performance, changes in mood associated with caffeine consumption, effects on sleep, and the adverse effects of caffeine such as anxiety, fine motor performance (shaking), withdrawal, and discusses its abuse
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