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| Item Type: | Article |
|---|---|
| Title: | Cognitive-motor interference in multiple sclerosis and healthy controls: results from single, dual, and triple task posturography |
| Creators Name: | Althoff, P., Rosenthal, F., Dorsch, E.M., Drebinger, D., Arsenova, R., Chorschew, A., Rosenkranz, S.C., Bellmann-Strobl, J., Heesen, C., Paul, F., Weygandt, M. and Schmitz-Hübsch, T. |
| Abstract: | AIM: This article is based on our previous research, which was presented as a poster at the ECTRIMS Congress 2018 and published as a conference abstract (https://www.professionalabstracts.com/ectrims2018/iplanner/#/presentation/1698). Cognitive-motor interference (CMI) has been observed in both healthy controls (HC) and persons with multiple sclerosis (pwMS), but limited and contradictory data is making it difficult to assess the impact of motor and cognitive functioning levels on CMI. The aim of this study was to investigate CMI in pwMS and HC by means of a dual task postural paradigm, to compare them between groups and to analyse the influence of motor and cognitive functioning levels assessed with complementary instruments on observed CMI. METHODS: The dual task posturography paradigm serves to quantify the impact of a cognitive (i.e., performing serial subtractions), a motor challenge (closing eyes), or both challenges combined (triple task) on body sway during standing in an upright position feet closed. The data analysed were acquired in one interventional and four observational studies and selected based on predefined criteria and by systematic quality control. A total of 113 pwMS and 42 HC were selected for analysis. RESULTS: Comparable changes in motor and cognitive performance due to cognitive or combined cognitive-motor challenges were observed in both HC and pwMS. Combining both tasks did not result in further changes in motor performance but resulted in a decrease in cognitive performance. This reduction in cognitive performance with an additional motor challenge correlated with lower levels of cognitive and motor functioning in pwMS. Unexpectedly, an increase in body sway due to a cognitive or combined cognitive-motor challenges was primarily observed in pwMS and HC with better cognitive and motor functioning. CONCLUSIONS: The results suggest that dual-task effects are not disease-specific but rather reflect individually different adaptation strategies depending on the specific motor and cognitive functioning levels. |
| Keywords: | Cognitive-Motor-Interference, Multiple Sclerosis, Healthy Controls, Static Posturography, Dual Task, Infrared Depth Sensor |
| Source: | Exploration of Neuroprotective Therapy |
| ISSN: | 2769-6510 |
| Publisher: | Open Exploration Publishing |
| Volume: | 4 |
| Page Range: | 273-287 |
| Date: | 12 June 2024 |
| Official Publication: | https://doi.org/10.37349/ent.2024.00082 |
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