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Title: | Profiling cognitive-motor interference in a large sample of persons with progressive multiple sclerosis and impaired processing speed: results from the CogEx study | Authors: | VELDKAMP, Renee D'HOOGE, Mieke Sandroff, B. M. DeLuca, J. Kos, D. Salter, A. Feinstein, A. Amato, M. P. Brichetto, G. Chataway, J. Farrell, R. Chiaravalloti, N. D. Dalgas, U. Filippi, M. Freeman, J. Motl, R. W. Meza, C. Inglese, M. Rocca , M. A. Cutter, G. FEYS, Peter CogEx Res Team |
Issue Date: | 2023 | Publisher: | SPRINGER HEIDELBERG | Source: | JOURNAL OF NEUROLOGY, 270 (6) , p. 3120-3128 | Abstract: | BackgroundPerforming cognitive-motor dual tasks (DTs) may result in reduced walking speed and cognitive performance. The effect in persons with progressive multiple sclerosis (pwPMS) having cognitive dysfunction is unknown.ObjectiveTo profile DT-performance during walking in cognitively impaired pwPMS and examine DT-performance by disability level.MethodsSecondary analyses were conducted on baseline data from the CogEx-study. Participants, enrolled with Symbol Digit Modalities Test 1.282 standard deviations below normative value, performed a cognitive single task ([ST], alternating alphabet), motor ST (walking) and DT (both). Outcomes were number of correct answers on the alternating alphabet task, walking speed, and DT-cost (DTC: decline in performance relative to the ST). Outcomes were compared between EDSS subgroups (<= 4, 4.5-5.5, >= 6). Spearman correlations were conducted between the DTCmotor with clinical measures. Adjusted significance level was 0.01.ResultsOverall, participants (n = 307) walked slower and had fewer correct answers on the DT versus ST (both p < 0.001), with a DTCmotor of 15.8% and DTCcognitive of 2.7%. All three subgroups walked slower during the DT versus ST, with DTCmotor different from zero (p's < 0.001). Only the EDSS >= 6 group had fewer correct answers on the DT versus ST (p < 0.001), but the DTCcognitive did not differ from zero for any of the groups (p >= 0.039).ConclusionDual tasking substantially affects walking performance in cognitively impaired pwPMS, to a similar degree for EDSS subgroups. | Notes: | Veldkamp, R (corresponding author), Hasselt Univ, Fac Rehabil Sci, REVAL Rehabil Res Ctr, Hasselt, Belgium.; Veldkamp, R (corresponding author), UMSC, Hasselt Pelt, Belgium. Renee.Veldkamp@uhasselt.be |
Keywords: | Multiple sclerosis;Progressive;Cognitive-motor interference;Dual task;Gait | Document URI: | http://hdl.handle.net/1942/39945 | ISSN: | 0340-5354 | e-ISSN: | 1432-1459 | DOI: | 10.1007/s00415-023-11636-y | ISI #: | 000945298000002 | Rights: | The Author(s), under exclusive licence to Springer-Verlag GmbH Germany 2023 | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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auteursversie.pdf Until 2024-06-30 | Peer-reviewed author version | 905.77 kB | Adobe PDF | View/Open Request a copy |
Profiling cognitive–motor interference in a large sample of persons with progressive multiple sclerosis and impaired processing speed_ results from the CogEx study.pdf Restricted Access | Published version | 483.79 kB | Adobe PDF | View/Open Request a copy |
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