The condition is characterized by progressive gait and limb ataxia, dysarthria, lower-limb areflexia, decreased vibration sense, muscular weakness in the legs, and a positive extensor plantar ...

Ataxia is a condition caused by damage in cerebellum ... which causes overshooting or undershooting while attempting to grasp for something. Speech impairments (dysarthria): Slowness or slurring of ...