<unk>  are two similar and common subtypes of<unk> dementia with<unk>  bodies (DLB) and Parkinson's disease<unk> (PDD). Both are characterized by changes in thinking, movement, behavior, and mood. The two conditions have similar features and may have similar causes, and are believed to belong on a spectrum of<unk> <unk>  disease that includes Parkinson's disease. As of 2014, they were more often misdiagnosed than any other common<unk>  The exact cause is unknown, but involves widespread deposits of abnormal clumps of protein that form in neurons of the diseased brain. Known as<unk>  bodies (discovered in 1912 by Frederic<unk>  and<unk>  neurites, these clumps affect both the central nervous system and the autonomic nervous system. The fifth revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) gives<unk> <unk>  disease as the causative subtype of<unk> with<unk>  bodies, and Parkinson's disease as the causative subtype of Parkinson's disease<unk> <unk> with<unk>  bodies is marked by the presence of<unk>  bodies primarily in the cortical regions, and Parkinson's disease<unk> with<unk>  bodies primarily in the subcortical basal ganglia.
Lewy body dementias
Alzheimer's disease
Synucleinopathy
Multiple system atrophy
Tauopathy
Canavan disease
Parkinson's disease dementia
White dot syndromes