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Stroop Test for Parkinson's Disease with Deep Brain Stimulation: A Systematic Review
Amer Cavalheiro Hamdan1, Mariana Drabik Vieira2
1Dr. Hamdan is with the Graduate Program in Psychology, Department of Psychology, Federal University of Parana in Curitiba, Brazil.
Innovations in Clinical Neuroscience
|January 2, 2023
Summary
Deep brain stimulation (DBS) for Parkinson's disease (PD) can impact cognitive function. The Stroop test reveals declines in response inhibition and speed post-DBS, but this doesn't indicate global cognitive risk.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Deep brain stimulation (DBS) is a treatment option for advanced Parkinson's disease (PD).
- DBS may lead to cognitive changes, necessitating pre- and post-operative executive function assessments.
- Prognosis definition requires careful evaluation of cognitive status in PD patients undergoing DBS.
Purpose of the Study:
- To systematically review the utility of the Stroop test for assessing cognitive functions in Parkinson's disease patients receiving DBS.
- To analyze how the Stroop test performs in evaluating cognitive changes associated with DBS in PD.
Main Methods:
- A systematic review adhering to PRISMA guidelines was performed.
- Literature search conducted across PubMed, Scopus, PsycInfo, and Web of Science databases.
- Included studies specifically used the Stroop test to assess cognitive abilities in PD patients undergoing DBS.
Main Results:
- Thirty-five articles met the inclusion criteria, utilizing various Stroop test formats.
- A majority of studies (23 articles) reported negative results, indicating poorer performance compared to control groups.
- No correlation was found between low Stroop test performance and overall global cognitive risk in PD patients.
Conclusions:
- Parkinson's disease patients undergoing DBS demonstrated declines in Stroop test performance, specifically in response inhibition and processing speed.
- These observed cognitive impairments are not indicative of a lack of cognitive safety associated with DBS.
- Integrating the Stroop test with other cognitive assessments can provide more accurate and reliable measures of cognitive function.
