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Psychiatr. Pol. 2017; 51(4): 661–671

DOI: https://doi.org/10.12740/PP/68547

Anna Starowicz-Filip, Adrian Andrzej Chrobak, Marek Moskała,
Roger M. Krzyżewski, Borys Kwinta, Stanisław Kwiatkowski,
Olga Milczarek, Anna Rajtar-Zembaty, Dorota Zielińska

FREE POLISH FULLTEXT:
Rola móżdżku w regulacji funkcji językowych

FREE ENGLISH FULLTEXT:
The role of the cerebellum in the regulation of language functions

Summary
The present paper is a review of studies on the role of the cerebellum in the regulation of language functions. This brain structure until recently associated chiefly with motor skills, visual-motor coordination and balance, proves to be significant also for cognitive functioning. With regard to language functions, studies show that the cerebellum determines verbal fluency (both semantic and formal) expressive and receptive grammar processing, the ability to identify and correct language mistakes, and writing skills. Cerebellar damage is a possible cause of aphasia or the cerebellar mutism syndrome (CMS). Decreased cerebellocortical connectivity as well as anomalies in the structure of the cerebellum are emphasized in numerous developmental dyslexia theories. The cerebellum is characterized by linguistic lateralization. From the neuroanatomical perspective, its right hemisphere and dentate nucleus, having multiple cerebellocortical connections with the cerebral cortical language areas, are particularly important for language functions. Usually, language deficits developed as a result of a cerebellar damage have subclinical intensity and require applying sensitive neuropsychological diagnostic tools designed to assess higher verbal functions.

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