<prompt> Gerstmanns syndrome is due to involvement ofRight parietal lobeLeft parietal lobeUpper brain stemCerebellum  <response>: B Left parietal lobe GERSTMANN SYNDROME: Combination of acalculia impairment of simple arithmetic, dysgraphia impaired writing, finger anomia inability to name individual fingers as the index or thumb right-left confusion inability to tell when a hand, foot or arm of the patient or examiner is on the right or left side of the body. When this syndrome is in isolation, it is commonly associated with damage to the inferior parietal lobule especially the angular gyrus in the left hemisphere. 