Carers Australia. Dementia Australia dementia. Funded by the governments of Australia. Please Help Us Help Those. Dementia Non-Alzheimer type. In Western societies it is the second most common type of dementia, and may occur after either: — large vessel strokes, which cause problems with speech, walking and vision, as well as weakness in the limbs; or — small vessel strokes, which may cause the same problems as large vessel strokes, but often less severely, and problems with balance and falling.
Patients may not be aware that they have had a small vessel stroke. Lewy body disease , in which degenerating cells are found in certain areas of the brain. Frontotemporal dementia. Persons with vascular dementia may be known to have had strokes or may have had them without having had any stroke symptoms.
Vascular dementia is more common in persons with risk factors for heart disease and stroke such as high blood pressure, diabetes, elevated cholesterol levels, and smoking.
Vascular dementia is commonly, but not always, associated with focal neurological symptoms for example, weakness on one side of the body , problems with walking, or difficulty with urinary incontinence. Persons diagnosed with vascular dementia frequently also have the changes of Alzheimer's disease in their brains when studied at autopsy.
During life, imaging studies such as MRIs can help identify the strokes. Frontotemporal dementia FTD and other focal dementias are an important group of brain disorders that result in behavioral, cognitive, or language changes. FTD occurs most frequently in persons under the age of 65 and is rare among persons over Not surprisingly, these changes in cognition and behavior are brought about by pathological changes in the brain that are also quite different from those of AD.
FTD seems to be caused by more focal changes in specific brain regions, as a result of alternate protein changes. FTD brains show the deposit of Pick bodies and balloon neurons. These inclusions occur mostly in the frontal and temporal side parts of the brain, and some patients will experience very focal changes in these regions. Antidepressants and alcohol: What's the concern?
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