Please tell me more about dementia with lewy bodies?

Common dementia: Lewy body dementia may be the second most common form or dementia, but infreqently diagnosed. It presents with parkinsonian features(rigidity, gait impairment), but also commonly with visual hallucinations. Besides memory loss, there may be frequent falls and variability in alertness and cognition .Lbd presents behavioral problems (agitation, depression, etc) + sensitivity to meds used to treat.