Gerstmann Syndrome

Excerpt

In 1924 the Austrian neuroscientist Josef Gerstmann described a rare neurological disorder which was observed by him in a few patients consisting of tetrad of symptoms; an impairment in performing calculations (acalculia), discriminating their own fingers (finger agnosia), writing by hands (agraphia) and distinguishing left from right (left-right disorientation).

This syndrome is also described in normal apparently but brain-damaged children, who present with learning disability, where it’s called developmental Gerstmann’s syndrome.