<unk>  is a neurological condition consisting of constant, moderate to severe pain due to damage to the<unk>  nervous system (CNS) which causes a sensitization of the pain system. The extent of pain and the areas affected are related to the cause of the injury.
Central pain syndrome
Complex regional pain syndrome
Calpainopathy
Anterior spinal artery syndrome
Nerve compression syndrome
Medial medullary syndrome
Lateral medullary syndrome
Occipital horn syndrome