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Lack of research about dementia with Lewy bodies

Review of Mueller C, Ballard C, Corbett A et al (2017) The prognosis of dementia with Lewy bodies. The Lancet. Neurology. 16, 5, 390-398. 
Brain_activity_in_Lewy_body_dementia

Review of Mueller C, Ballard C, Corbett A et al (2017) The prognosis of dementia with Lewy bodies. The Lancet. Neurology. 16, 5, 390-398.

PET scan showing brain activity in a person with dementia with Lewy bodies. Picture: iStock

Dementia with Lewy bodies, which is characterised by clumps of protein that develop inside nerve cells in the brain, accounts for 10%-20% of dementia cases. Cognitive symptoms start with visuospatial and executive functions rather than with memory. Psychiatric and behavioural features, especially hallucinations, sleep disturbances and apathy, are common and frequently present early in the course of the disease.

Symptoms tend to fluctuate, which makes them difficult to assess. Patients with dementia with Lewy bodies have a faster cognitive decline than those with Alzheimer’s disease. They are also more likely to be admitted to residential care because behavioural problems, including aggression and psychotic episodes, make it difficult

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