The master´s thesis is focused on aphasia as a speech disorder. Aphasia is an element of research in many fields of study. The aim of this thesis is to interpret academic background and conclusions. Aphasiology, linguistics, speech therapy, neurology, neurolinguistics, psycholinguistics, cognitive psychology and cognitive neuropsychology are interested in aphasia. At the beginning of this thesis we can read about aphasia, its causes, classifications and diagnostics. Other chapters summarize conclusions of mentioned disciplines.

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