Keyword Analysis & Research: decorticate vs decerebrate red nucleus


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Frequently Asked Questions

What is the pathophysiology of decortication of the red nucleus?

The red nucleus is anatomically at the intercollicular level, and thus lesions above the red nucleus tend to cause decortication and lesions below, decerebration. As compression advances from the regions of the forebrain and diencephalon to the brainstem, abnormal posturing can progress from decorticate to decerebrate. History and Physical

What is the difference between decorticate and decerebrate posturing?

Synonymous terms for decorticate posturing include abnormal flexion, decorticate rigidity, flexor posturing, or decorticate response. Synonymous terms for decerebrate posturing include abnormal extension, decerebrate rigidity, extensor posturing, or decerebrate response.

What is decerebrate rigidity?

Decerebrate rigidity or abnormal extensor posturing. Decerebrate posturing is also called decerebrate response, decerebrate rigidity, or extensor posturing. It describes the involuntary extension of the upper extremities in response to external stimuli.

When was decorticate posturing first identified?

The Nobel Laurette Charles Sherrington first described decerebrate posturing in 1898 after transecting the brainstems of live monkeys and cats. [2] Synonymous terms for decorticate posturing include abnormal flexion, decorticate rigidity, flexor posturing, or decorticate response.


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