Risks of Decorticate Posturing
Decorticate posturing signals serious brain damage. That damage can lead to death if you don’t get medical help quickly. Decorticate posturing can also lead to decerebrate posturing. Decerebrate posturing happens with more severe health problems.
You may not fully recover from the issues causing decorticate posturing. Brain damage can cause lasting symptoms. After you receive treatment, you might still have paralysis, seizures, headaches, and other problems.
https://www.webmd.com/brain/what-is-decorticate-posturing