The brain region that contributes most to arousal is the:
A)hindbrain.
B)pons.
C)medulla.
D)reticular activating system.

Question

Quizplus · Accepted Answer

The reticular activating system (RAS) is a network of neurons located in the brainstem, specifically the midbrain, pons, and medulla. The RAS is responsible for regulating arousal, wakefulness, and attention. It receives input from various sensory systems and can activate the cerebral cortex, which is necessary for consciousness and cognitive functioning. Therefore, the brain region that contributes most to arousal is the RAS.

The Brain Region That Contributes Most to Arousal Is The