Decorticate Posturing Brain Lesion

The arms are bent in toward the body and the wrists and fingers are bent and held on the chest.

Decorticate posturing brain lesion. While decorticate posturing is still an ominous sign of severe brain damage decerebrate posturing is usually indicative of more severe damage at the rubrospinal tract and hence the red nucleus is also involved indicating a lesion lower in the brainstem. Decorticate and decerebrate posturing are both considered pathological posturing responses to usually noxious stimuli from an external or internal source. Decorticate posture is stiff with legs held out straight fists.

Decorticate posturing is a sign of severe damage in the brain injury such as damage in the cerebral hemispheres the internal capsule and the thalamus 2. People who have decorticate rigidity should get medical attention right away.