Keyword Analysis & Research: decerebrate

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What is decerebration?

Decerebration is the elimination of cerebral brain function in an animal by removing the cerebrum, cutting across the brain stem, or severing certain arteries in the brain stem. As a result, the animal loses certain reflexes that are integrated in different parts of the brain.

What is decerebrate posture?

This type of posturing usually means there has been severe damage to the brain. A severe injury to the brain is the usual cause of decerebrate posture. Opisthotonos (a severe muscle spasm of the neck and back) may occur in severe cases of decerebrate posture. Decerebrate posture can occur on one side, on both sides, or in just the arms.

What is decerebrate rigidity?

decerebrate rigidity a posture found in those with lesions of the upper part of the brainstem or severe bilateral lesions of the cerebrum; the patient lies in rigid extension with the arms internally rotated at the shoulders, elbows, knees, and hips extended, and fingers, ankles, and toes flexed. The jaw may be clenched with the neck hyperextended.

What is decerebrate posturing in herniation syndrome?

In herniation syndrome, which is indicative of brain herniation, decorticate posturing occurs, and, if the condition is left untreated, develops into decerebrate posturing. Posturing has also been displayed by patients with Creutzfeldt–Jakob disease, diffuse cerebral hypoxia, and brain abscesses.

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