Resumo

MARTINEZ-MARTINEZ, Adriana; LOPEZ-LOPEZ, Wilson  e  ACEVEDO-TRIANA, César. Comparison of the performance of cognitive tests in Parkinson Disease patients with and without Deep Brain Stimulation. CES Psicol [online]. 2022, vol.15, n.2, pp.1-22.  Epub 10-Jun-2022. ISSN 2011-3080.  https://doi.org/10.21615/cesp.5896.

Patients diagnosed with Parkinson's disease show motor alterations together to cognitive, behavioral, and emotional disturbances. An alternative treatment to the exclusive pharmacological medication is the Deep Brain Stimulation procedure (DBS). Some studies have shown altered behavioral patterns after DBS device implantation, suggesting a relationship between a particular performance in cognitive tests derived from the DBS procedure. Our study aimed to compare the performance of cognitive tests in Parkinson's disease patients with and without DBS. Results were analyzed from 47 patients (n = 16 DBS; n = 31 without DBS) in a range since 2011 to 2015. Functions tested were visual categorization, cognitive flexibility, problem solutions, selective attention, cognitive processing speed, behavioral inhibition, and quality of life. In general, there are non-significative differences between groups in functions tested. However, correlations were found depending on the group (DBS or without DBS patients), with more positive correlations inside the DBS group between the similarity test and inversed digits, list of words, symbol search and the sub-test of the Wisconsin Card Sorting Test. In addition, the DBS group showed a low perception of the quality of life associated with the disorder´s time compared to the without DBS group. In conclusion, these results are congruent with similar studies of neuropsychological evaluation, and the role of treatment is discussed below the perception of the quality of life.

Palavras-chave : Parkinson's Disease; deep brain stimulation; neuropsychological evaluation; cognitive functions; neurosurgery; Basal Ganglia.

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