Reticular activating system
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Overview
The reticular activating system or reticular formation is a structure that branches into the brain stem and dictates the level of arousal for the cortex. Sensory and motor impulses travel in between the cerebral cortex, the thalamus, and the RF; this process influences the degree of alertness (or sleep) in a person.
References
Stirling, John. Introducing Neuropsychology. New York: Psychology Press, 200
