reticular activating system
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Related to reticular activating system: reticular formation
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Noun | 1. | 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 |
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