Which of the following is thought to control overall cortical arousal?

Question

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The ascending reticular activating system (ARAS) is thought to control overall cortical arousal by regulating the flow of sensory information to the cortex. It consists of a network of neurons spanning the brainstem, and when these neurons are stimulated, they can cause the cortex to become more alert and responsive. The parasympathetic nervous system (A) is involved in the body's rest and digest response, not cortical arousal. The behavioral activation system (C) and the behavioral inhibition system (D) are two motivational systems outlined in personality theory and are not directly involved in regulating cortical arousal.

Which of the Following Is Thought to Control Overall Cortical