<unk>  is most often caused by damage in the nervous system, especially the spinal cord. Other major causes are stroke, trauma with nerve injury, poliomyelitis, cerebral palsy, peripheral neuropathy, Parkinson's disease, ALS, botulism, spina bifida, multiple sclerosis, and Guillain–Barré syndrome. Temporary<unk>  occurs during REM sleep, and dysregulation of this system can lead to episodes of waking<unk> . Drugs that interfere with nerve function, such as curare, can also cause<unk> . Pseudoparalysis (pseudo- meaning "false, not genuine", from Greek ψεῦδος) is voluntary restriction or inhibition of motion because of pain, incoordination, orgasm, or other cause, and is not due to actual muscular<unk> . In an infant, it may be a symptom of congenital syphilis. Pseudoparalysis can be caused by extreme mental stresses, and is a common feature of mental disorders such as panic anxiety disorder.
Paralysis
Paresis
Hyperalgesia
Synesthesia
Hypoalgesia
Monoplegia
Spasticity
Neuralgia