Agnosia is caused by lesion in:: (A) Parietal lobe, (B) Occipital lobe, (C) Frontal lobe, (D) None of the above
Answer is A. Agnosia is the general term used for the inability to recognize objects by a paicular sensory modality even though the sensory modality itself is intact. Lesions producing these defects are generally in the parietal lobe. Ref: Ganong's Review of Medical Physiology 23rd edition, Chapter 19.