The reticular activating system is designed to:
A)activate subcortical circuitry.
B)act as an inhibitory control on the GTF.
C)maintain cortical arousal.
D)monitor daily rhythms of sleep.

Question

Quizplus · Accepted Answer

The reticular activating system (RAS) is responsible for maintaining cortical arousal, which is necessary for consciousness and attention. It is a complex network of neurons located in the brainstem that sends signals to the thalamus and cortex to keep them active and responsive to sensory input. While the RAS does receive input from other brain areas, it is primarily responsible for maintaining wakefulness and attention. Thus, choice C is the best answer.

The Reticular Activating System Is Designed To