reticular activating system

(redirected from Ascending reticuloactivation system)
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Noun1.reticular activating system - the network in the reticular formation that serves an alerting or arousal function
neural net, neural network - any network of neurons or nuclei that function together to perform some function in the body
reticular formation, RF - a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone