This accumulation causes damage to the nearby brain cells. This form of dementia occurs as a result of the accumulation of cerebrospinal fluid in the brain’s ventricles. Mixed dementia refers to the presence of two or more forms of dementia occurring simultaneously. This type of dementia is caused by a defective mutation on a gene, resulting to changes in the central brain area affecting movement, mood, and thinking skills. As the name suggests, frontotemporal dementia refers to neurocognitive decline due to nerve cell loss in the frontal or temporal lobe of the brain. These Lewy bodies are also found in other types of dementia and Dementia.
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LBD is a type of dementia that occurs due to abnormal deposits of Lewy bodies containing alpha-synuclein protein in brain cells.
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The shape changes also occur in the prion proteins in the brain causing dementia. Prion disease refers to the abnormal change in shapes of prion proteins which are found throughout the human body. This type of dementia is a form of prion disease. Vascular dementia refers to the decline in neurocognitive functions due to conditions resulting to reduced blood flow to various parts of the brain. Symptoms usually start to appear years before diagnosis, but they may be too subtle to be noted.
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Alzheimer’s disease is a progressive degenerative brain disorder caused by complex brain changes due to cell damage. Alzheimer’s dementia or Alzheimer’s disease is the most common of all dementia types with prevalence of about 50-70% of reported cases.