It is more likely with elderly patients that hallucinations and delusions are connected to a degenerative brain complication such as mania, delirium, depression, bipolar disorder, Alzheimer’s, or dementia. However, new studies reflect that schizophrenia may be a more common psychosis in geriatrics than previously diagnosed. If you believe that your senior loved one could be presenting signs of schizophrenia, visit their primary care provider.