Aphasia (12) Ataxia telangiectasia (4) Bell's palsy (9) Cataplexy (1) Charcot-Marie-Tooth disease (4) Degenerative cervical myelopathy (5) Friedreich's ataxia (5) Guillain-Barre syndrome (11) Herpes simplex encephalitis (6) Huntington's disease (6) Lambert-Eaton syndrome (5) Neurofibromatosis (7) Progressive supranuclear palsy (2) Subacute combined degeneration of the spinal cord (3) Transient ischaemic attack (7) Tuberous sclerosis (5)