Abstract Caffeine is a stimulant that is present in various drinks like tea, coffee and colas. It acts on the body via different mechanisms like altering intracellualar calcium, acting on benzodiazepine receptors and inhibition of phosphodiesterases. The main mechanism of action is blocking of adenosine receptors and alteration of the neurotransmitters in the brain.
The event related potentials are electrical signals in response to stimuli and represent the processing of information by the brain. Various studies have been done to evaluate the effect of caffeine on cognitive processes using event related potentials. This review summarizes the evidence of the effect of caffeine on cognition.
Keyword: Caffeine; Cognition; Evoked Potentials.
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