What Are The Major Types Of Dementia?

Lewy Body Dementia

Between ten and fifteen percent of all cases of dementia are referred to as Lewy body dementia. Tiny deposits of a protein referred to as alpha-synuclein that develops in the nerve cells in the brain are known as Lewy bodies. While the exact mechanism linking the development of Lewy bodies to dementia is not clear, it is thought to be associated with low dopamine and acetylcholine, as well as connection loss between nerve cells. When Lewy bodies develop in the base of the brain, it causes Parkinson's disease. When Lewy bodies develop in the outer layers of the brain, it causes the cognitive symptoms of Lewy body dementia. Lewy body dementia patients may experience alterations in their attention and alertness that may or may not be accompanied by visual hallucinations. Individuals who have Lewy body dementia may experience poor regulation of the autonomic nervous system that controls pulse, blood pressure, sweating, and digestive processes. Visuospatial problems, sleep difficulties, disorganized speech, confusion, and dizziness are also common symptoms seen in Lewy body dementia patients.

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