Antoinette is a real risk taker. she loves to skydive, and she can party all night. benita dislikes risk taking and prefers quieter activities, such as reading and yoga. these contrasting preferences in the rate of physiological activation they experience suggest that antoinette and benita differ in their

Optimal level of arousal

Explanation:

Optimal arousal is defined psychologically as a mental stimulation that is able to bring us physiological arousal such as when we perform or learn.

There are things that we are motivated to do because we know the result will be thrilling personally to us such Antoinette who gets an excitement from sky diving so this person get their optimum level of physiological arousal from sky diving a much high level of arousal.

Our optimal level of arousal are different some needs to go an extra mile than others for them to reach their optimum level of arousal.

Whilst some people may prefer just just lower arousal levels such as Benita she may probably prefer relaxing activities.

answer; the hypothalamus;