Gerstmann’s syndrome /gerst′mänz/ [Josef Gerstmann, Austrian neurologist, 1887–1969] , a combination of finger agnosia, right-left disorientation, agraphia, acalculia, and often constructional apraxia. It is often associated with dominant parietal lobe lesions. See also acalculia, agraphia, constructional apraxia, finger agnosia.