What is LBD?
Lewy body dementia (LBD) is a progressive neurological disorder. LBD is an umbrella term for two related diagnoses – Parkinson’s disease dementia (PDD) and dementia with Lewy bodies (DLB). The earliest symptoms of these two diseases differ, but reflect the same underlying biological changes in the brain. Over time, people with both diagnoses will develop very similar cognitive, physical, sleep, and behavioral symptoms.