Left-sided heart injury

Gerstmann syndrome

Parietal lobe injury, left-sided

Gerstmann syndrome is seen in left-sided damage to the lower posterior part of the parietal cortex, particularly the gyrus angularis with Brodmannarea 39.

The following disorders are included in the syndrome.
1. Finger agnosia = inability to recognize and name the fingers of one hand or the other.
2. Right - left weathering; have lost the ability to determine what is "on the right" and what is "on the left".
3. Agraphy = inability to write.
4. Acalculi = inability to "count", i.e. unable to use the four simple counting methods.