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KembaraXtra-Psychology - ascending reticular activating system
The ascending reticular activating system (ARAS), also called the reticular activating system (RAS), refers to the upward-projecting fibres of the brainstem reticular formation defined mainly by their function: regulating physiological arousal and cortical activation. It is essential for wakefulness, sustained attention, and concentration, and is often contrasted with the descending reticular formation; related concepts include cerveau isolé.
The ascending reticular activating system (ARAS), also called the reticular activating system (RAS), refers to the upward-projecting fibres of the brainstem reticular formation defined mainly by their function: regulating physiological arousal and cortical activation. It is essential for wakefulness, sustained attention, and concentration, and is often contrasted with the descending reticular formation; related concepts include cerveau isolé.
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