This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stroke and TIA, Subject name: Medicine
A patient is unable to solve mathematical calculations, which pa of his brain is damaged? 
Select and explain. 
A. Temporal lobe, B. Frontal lobe, C. Parietal lobe, D. Occipital lobe
C: Parietal lobe
Answer: C: Parietal lobe 
Explanation: Performing Mathematical calculations is a function of the parietal lobe. Damage to the left hemisphere of this lobe will result in Acalculia, Agraphia, finger agnosia and global Aphasia. This is known asGESMANN SYNDROME