hyperarousal

noun
hy·​per·​arous·​al | \ˌhī-pər-ə-ˈrau̇-zəl \
variants: or hyper-arousal

Definition of hyperarousal 

medical

: excessive arousal : an abnormal state of increased responsiveness to stimuli that is marked by various physiological and psychological symptoms (such as increased levels of alertness and anxiety and elevated heart rate and respiration) Although insomnia is considered a sleep disorder, its pathophysiology suggests hyperarousal during sleep and wakefulness.— Daniel J. Buysse To be given a diagnosis of PTSD, a person has to have been exposed to an extreme stressor or traumatic event to which he or she responded with fear, helplessness, or horror and to have three distinct types of symptoms consisting of reexperiencing of the event, avoidance of reminders of the event, and hyperarousal for at least one month.— Rachel Yehuda

First Known Use of hyperarousal

1969, in the meaning defined above

Keep scrolling for more

Learn More about hyperarousal

Share hyperarousal

Statistics for hyperarousal

Look-up Popularity

Time Traveler for hyperarousal

The first known use of hyperarousal was in 1969

See more words from the same year

Keep scrolling for more

More Definitions for hyperarousal

hyperarousal

noun
hy·​per·​arous·​al | \ˌhī-pə-rə-ˈrau̇-zəl \

Medical Definition of hyperarousal 

: excessive arousal : an abnormal state of increased responsiveness to stimuli Although insomnia is considered a sleep disorder, its pathophysiology suggests hyperarousal during sleep and wakefulness.— Daniel J. Buysse, The Journal of the American Medical Association, 20 Feb. 2013 Symptoms of hyperarousal refer to physiological manifestations, such as insomnia, irritability, impaired concentration, hypervigilance, and increased startle reactions.— Rachel Yehuda, The New England Journal of Medicine, 10 Jan. 2002

Comments on hyperarousal

What made you want to look up hyperarousal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

playful or foolish behavior

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!