D2I2.
neurodegenerative

Lewy body dementia

with Lewy bodies (DLB) is a type of dementia characterized by changes in sleep, behavior, cognition, movement, and regulation of automatic bodily functions. Unlike some other dementias, memory loss may not be an early symptom. The disease worsens over time and is usually diagnosed when impairment interferes with normal daily functioning. Together with Parkinson's disease dementia, DLB is one of the two Lewy body dementias. It is a common form of dementia, but the is not known accurately and many diagnoses are missed. The disease was first described on autopsy by Kenji Kosaka in 1976, and he named the condition several years later.

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Symptoms — what it feels like

  • ·, abnormal behavior during REM sleep, fluctuations in alertness, visual hallucinations, parkinsonism

Causes — why it happens

  • ·Unknown

How it's found

  • ·Based on symptoms and biomarkers

Complications

  • · , injuries from falling, dysautonomia

Outlook

  • ·Variable; average survival four years from
Plain-language summary adapted from Wikipedia. Not medical advice.