<prompt> Acute organic psychosis may be associated with all of the following diseases EXCEPTHead injuryArteriosclerosisMeningitisDelirium tremens  <response>: B Arteriosclerosis Causes of Organic Amnestic syndrome: Head trauma. Surgical procedure bilateral temporal lobectomy. Hypoxia. Posterior cerebral artery stoke bilateral. Herpes simplex encephalitis. Space occupying lesions in the regions of III ventricle E.g. neoplasms. 