The Gerstmann's syndrome reference article from the English Wikipedia on 24-Jul-2004
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Gerstmann's syndrome

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Gerstmann's syndrome is a neurological disorder characterized by four primary symptomes:
  1. Agraphia/dysgraphia
  2. Acalculia/dyscalculia
  3. Finger agnosia
  4. Left-right disorientation

It is associated with brain lesions in the dominate (usually left) side of the parietal lobe.

It should not be as the Gerstmann-Straussler syndrome.