• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Major or mild neurocognitive disorder with Lewy bodies, also commonly termed dementia with Lewy bodies (DLB), is a syndrome in which patients develop cognitive decline in combination with a Parkinson-like motor syndrome. It is recognized as a distinct clinical condition characterized by the presence of visual hallucinations and cognitive fluctuations along with cognitive decline and a Parkinsonian movement disorder. As discussed in this entry, there is a significant amount of clinical and pathological overlap with other dementias such as Alzheimer’s disease (AD) and Parkinson’s disease dementia (PDD), and as a result, the relation among these disorders remains controversial.


DLB is the second most common form of neurodegenerative dementia after AD and accounts for between 15% and 20% of all dementias. The estimated population prevalence is between ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles