Spinocerebral Ataxia (SCA)

Spinocerebellar ataxia (SCA) is a term referring to a group of hereditary ataxias that are characterized by degenerative changes in the part of the brain related to the movement control (cerebellum), and sometimes in the spinal cord. There are many different types of SCA, and they are classified according to the mutated (altered) gene responsible for the specific type of SCA.


People with this disorder may experience the following physical and psychological symptoms:

  • Problems with coordination and balance (ataxia)
  • Uncoordinated walk
  • Poor hand-eye coordination
  • Abnormal speech (dysarthria)
  • Involuntary eye movement
  • Vision problems
  • Difficulty processing, learning, and remembering information

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