<prompt> Agnosia is caused by lesion ofRepresentative hemisphere, leftCategorial hemisphere, leftRepresentative hemisphere, rightCategorial hemisphere, right  <response>: Agnosia is the general term used for inability to recognise objects by a paicular sensory modality even though the sensory modality itself is intact. Lesions producing these defects are in parietal lobe especially when they are in the representational hemisphere. Ref:Ganongs Review of medical physiology;23 rd edition ; pg :296 