hyperarousal
Americannoun
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.
For many Americans, what began as a stress response has become a chronic state of hyperarousal and vigilance.
From The Wall Street Journal ● Nov. 12, 2025
Luckily, there’s one brain region standing between us and this cascade of hyperarousal: the prefrontal cortex, an area right behind the middle of our eyebrows.
From Scientific American ● Aug. 15, 2023
Chronic nightmares suggest that this adaptive process hasn’t yet worked, and are the result of ongoing hyperarousal.
From Slate ● Jun. 4, 2023
Additionally, according to Presnall, content is increasingly designed to “trigger hyperarousal by playing on our more primitive emotions — fear and outrage,” which activates the survival centers of our brain.
From Washington Post ● Jul. 29, 2020
Patients who stop taking their medication often experience Antidepressant Discontinuation Syndrome, which can cause flu-like symptoms, insomnia, nausea, imbalance, sensory disturbances and hyperarousal.
From Washington Times ● Feb. 21, 2020
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
