The present disclosure provides, among other things, methods for using presenilin based gene therapy to treat neurodegenerative dementia including, but not limited to Alzheimers disease, frontotemporal dementia, frontotemporal lobar degeneration, Picks disease, Lewy body dementia, memory loss, and cognitive impairment including mild cognitive impairment (MCI).

The present disclosure provides, among other things, methods for using presenilin based gene therapy to treat neurodegenerative dementia including, but not limited to Alzheimers disease, frontotemporal dementia, frontotemporal lobar degeneration, Picks disease, Lewy body dementia, memory loss, and cognitive impairment including mild cognitive impairment (MCI).