EN
One of the most interesting problems concerning human speech is the complicated two-way correlation between language and the brain. The present article attempts to answer the question how multilingualism is represented in people suffering from aphasia-spectrum disorders. What are the results of a brain stroke on speech centres? It should be noted that monitoring patients with aphasic speech disorders plays a significant role in understanding brain dysfunctions and is a source in creating models of learning processes and brain functions. The latest research into aphasia constitutes one of the few possibilities of getting answers to the question concerning the representation of language activity occurring in the brain. Does the theory postulating separate representation of various languages in different regions of the brain in a polyglot still find its supporters? The article explains the terms of multilingualism and aphasia, together with its causes. The remaining part of the article analyses the factors that play a significant role in the process of language restitution.