Extraverts experience high energetic arousal which is characterized by vigor and energy.

Therefore extraverts typically have a higher energetic arousal because of their greater response to rewards.

The reversal theory accounts for the preference of either high or low arousal in different situations.

Poor performance, for example is usually associated with a state of high arousal.

Psychopaths have higher sexual arousal to depictions of rape than non-psychopaths.

The hierarchy then emerges in the course of the exposure session as the patient seeks to maintain a moderately high arousal.

An animal under threat gets into a state of high arousal and has two options, to run or to fight.

These states range from deep dreamless sleep to a state of high arousal.

In the first condition, rats were stressed by shock or restraint, causing a high emotional arousal.

Heterosexual men experience much higher genital and subjective arousal to women than to men.