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[verb dee-ser-uh-breyt; noun dee-ser-uh-breyt, -brit] /verb diˈsɛr əˌbreɪt; noun diˈsɛr əˌbreɪt, -brɪt/
verb (used with object), decerebrated, decerebrating.
Surgery. to remove the cerebrum.
a decerebrated animal.
a person who, because of brain injury, exhibits behavior characteristic of a decerebrated animal.
Origin of decerebrate
First recorded in 1895-1900; de- + cerebr- + -ate1
Related forms
decerebration, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for decerebration


verb (diːˈsɛrɪˌbreɪt)
(transitive) to remove the brain or a large section of the brain or to cut the spinal cord at the level of the brain stem of (a person or animal)
noun (diːˈsɛrɪbrɪt)
a decerebrated individual
Derived Forms
decerebration, noun
Word Origin
C19: from de- + cerebro- + -ate1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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decerebration in Medicine

decerebration de·cer·e·bra·tion (dē-sěr'ə-brā'shən)
The elimination of cerebral function in an animal by removing the cerebrum, cutting across the brain stem, or severing certain arteries in the brain stem, as may be done for experimentation.

decerebrate de·cer·e·brate (dē-sěr'ə-brāt', -brĭt)
Of, relating to, or characteristic of an individual who has suffered a brain injury that results in neurological function comparable to that resulting from decerebration of an animal. v. de·cer·e·brat·ed, de·cer·e·brat·ing, de·cer·e·brates (-brāt')
To eliminate cerebral brain function in an animal by decerebration.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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