Decorticate vs Decerebrate

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Last updated 4:02 AM on 8/25/26
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4 Terms

1
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What is decorticate posturing?

  • Upper extremities flexed

  • Lower extremities extended

  • Associated with lesion above the brainstem/diencephalon region


2
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What is decerebrate posturing?

  • Upper extremities extended

  • Lower extremities extended

  • Associated with brainstem involvement


3
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Which is generally more severe: decorticate or decerebrate posturing?

  • Decerebrate is generally more severe

  • Suggests a more caudal brainstem lesion


4
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What is an easy way to distinguish decorticate from decerebrate?

  • Decorticate → arms flexed toward the core

  • Decerebrate → arms extended

  • Both typically involve LE extension