Apraxia of Speech

Apraxia of Speech

  • Motor speech disorders include both dysarthria and apraxia of speech (AOS)
  • Apraxia of speech is a motor planning and programming disorder
  • Hallmark characteristic = searching/groping for articulatory placement
  • Other symptoms include: random substitutions, errors in articulatory placement


Neurological damage leading to AOS can occur in the following:

  • Broca’s area (BA 44, 45)
  • Supplementary motor area (BA 6)
  • Insula (insular cortex)
  • Basal ganglia
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