<qa>  What is the other type of neurological disorders that are not studied at screening?- The patient has evidence of a clinically relevant neurological disorders other than the disease being studied i.e., prodromal AD at screening, including but not limited to: territorial cerebral infarction, intracranial hemorrhage, multiple sclerosis, neurosyphilis, mental retardation, hypoxic encephalopathy, major head trauma with loss of consciousness that led to persistent cognitive deficits. 