Abstract
Massive hemorrhages, extensive and multiple infarctions, small infarcts in strategically important regions could be the cause of poststroke cognitive disorders. Dementia after stroke is associated with location and extent of the lesion. Infarctions in strategically important regions can manifest with different symptoms that depend on the lesion location. Cognitive impairments in result of parietal and occipital lobes lesion are presented with mild spatial and memory disorders. Stroke in the posterior cerebral artery vascular region manifests with memory and visual-spatial disorders and infarctions in deep regions of the brain are presented with dysfunction of long-term and associative memory and frontal dysfunction due to disconnection of frontal and thalamic pathways. Infarctions in frontal region are manifest with disturbances in programming of voluntary and intellectual activity, mild memory disorders, while adhesiveness rests normal. Early diagnosis of cognitive disorders is very important as in time started treatment decreases the risk of poststroke dementia development.
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