arousal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Norepinephrine is often elevated in anxiety disorders, and the UC Davis researchers suggest that this heightened arousal may increase the brain's demand for choline.

From Science Daily • May 16, 2026

Children who had taken stimulants showed stronger activity in brain regions associated with arousal and wakefulness, as well as areas involved in predicting how rewarding an activity might be.

From Science Daily • Dec. 29, 2025

They found that ACA and ORB exerted specific and opposing effects on visual encoding depending on the mouse's movement and level of arousal.

From Science Daily • Nov. 30, 2025

As a therapist, I know that for children with autism, water offers resistance, pressure and pleasant sensory arousal.

From Los Angeles Times • Oct. 7, 2025

It’s also because of what happens after the chase, since pursuing a suspect at high speed is precisely the kind of activity that pushes police officers into this dangerous state of high arousal.

From "Blink" by Malcolm Gladwell