hyperactivity

[ hahy-per-ak-tiv-i-tee ]

noun

1. the condition of being hyperactive.
2. hyperkinesia.

hyperactivity

/ hī′pər-ăk-tĭv′ĭ-tē /

1. An abnormally high level of activity or excitement shown by a person, especially a child, that interferes with the ability to concentrate or interact with others.

Word History and Origins

Origin of hyperactivity¹

First recorded in 1885–90; hyperactive + -ity

Example Sentences

ADHD can cause restlessness and hyperactivity, making it difficult to zero in on a particular task.

From Outside Online

Breath tests of exhaled nitric oxide can reveal the involvement of specific immune system proteins, as well as the presence of airway hyperactivity, he adds.

From Time

Support for this interpretation comes from animal experiments in which noise exposure led to an increase in spontaneous brain noise—a sort of hyperactivity of the brain—in the auditory midbrain and cortex.

From Nautilus

The health risks to children with elevated lead levels are severe and include damage to the brain, developmental delays and learning and behavioral problems such as inattention, hyperactivity and aggression.

From Science News

She found outlets for his hyperactivity in dance and theater, and she signed him up for karate.

From Washington Post

One of these children has attention deficit hyperactivity disorder (ADHD).

From The Daily Beast

Along with sexual hyperactivity, Internet disorder will be added to Section III for “further research.”

From The Daily Beast

ADHD is a chronic condition that includes difficulty sustaining attention, hyperactivity and impulsive behavior.

From The Daily Beast

General cold baths are used in cases of super-excitation, motor-hyperactivity, excessive sensitiveness to pain and touch.

From Project Gutenberg

Atony and hyperactivity may be overcome by appropriate educational remedies which we will now discuss.

From Project Gutenberg

They are a sign not so much of motor hyperactivity as of volitional inactivity.

From Project Gutenberg