The impact of surgery on changes in the working memory of patients with hyperplastic lesions involving the cerebellum – case studies

Marta Kęsik, Paweł Kawalec, Dariusz Jeżewski, Adam Koryzma


Introduction: In the 19th and 20th centuries the cerebellum was mainly associated with human somato-motoric function, but later studies proved that its activity is much more complex. The cerebellum participates in the regulation of cognitive functions such as planning, verbal fluency, operational memory and abstract thinking.

Case studies: We present the cases of two patients with cerebellar hyperplasia and a description of the functions of their working memory before and after neurosurgical treatment.

Conclusions: The results indicate positive changes in working memory in the patients after surgical treatment of tumours in this area, and confirm the significant role of the cerebellum in this regard.


cerebellum; working memory; cognitive function

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