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

"Growth hormone not only helps you build your muscle and bones and reduce your fat tissue, but may also have cognitive benefits, promoting your overall arousal level when you wake up," Ding said.

From Science Daily • Mar. 30, 2026

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

One, called the locus coeruleus, is a deep brain region that activates the stress response, promoting arousal and vigilance.

From Salon • Aug. 7, 2024

Are extreme arousal and mind-blindness inevitable under conditions of stress?

From "Blink" by Malcolm Gladwell