COGNITIVE AND LANGUAGE IMPAIRMENTS IN STROKE AS LESION ASSOCIATED TO VARIATIONS OF THE CIRCLE OF WILLIS
COGNITIVE AND LANGUAGE IMPAIRMENTS IN STROKE AS LESION ASSOCIATED TO VARIATIONS OF THE CIRCLE OF WILLIS

Summary/Abstract: The present descriptive review aims to highlight the interconnection between stroke, as a main lesion associated to variations of the circle of Willis (CW) and the development of certain clinical dysfunctions such as cognitive and behavioral, verbal, visual and motor impairements, with a focus on the posterior cerebral (PCA) stroke. Material and Method: As a research method, there were used several international data bases: “PubMed” Central, “Research Gate”, “AHA Journals” and “Cambridge Core”, with the selection of 5 up-dated articles from the recent specialty literature and two chapters from online books of Neurology and Behavioral Neurology. Thus, the premises for a descriptive review were provided. Results: Besides the sensorial and motor deficits that are determined by PCA stroke, there are also some important clinical dysfunctions that refer to cognitive behavior, language and vision recognized as higher cortical functions. The characteristic type of aphasia in the case of PCA strokes is represented by the anomic aphasia, which is seen as a mild form with a relative speech preservation Conclusions: As final remarks, it is indicated to refer to a global framework of patterns that appear in post stroke patients regarding both their cognitive and language dysfunctionalities.

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