reticular activating system

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Related to Ascending reticular activating system: reticular formation
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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
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References in periodicals archive ?
This involves intact systems throughout the brain, including the ascending reticular activating system in the brainstem for arousal, thalamus and parietal lobes for selective attention, and prefrontal region for the vigilance and concentration required to learn.[5]
The thalamus is part of the ascending reticular activating system, which extends from the core of the brain stem to the top layer of the cerebral cortex.