hyper activity

Science Dictionary
hyperactivity   (hī'pər-āk-tĭv'ĭ-tē)  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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