To investigate the role of different cognitive domains on the dual-tasking overload during functional mobility in Parkinson's disease subtypes.
Eleven tremor-dominant and 15 akinetic-rigid participants performed the Timed Up-and-Go (TUG) test with and without a secondary task; executive function and attention were assessed.
Dual tasking increased TUG time in both groups (tremor-dominant: 6.38 ± 1.19 seconds and 7.79 ± 1.48 seconds; akinetic-rigid: 8.80 ± 3.09 seconds and 10.38 ± 3.77 seconds). Dual-tasking overload was correlated with attention in akinetic-rigid and mental inflexibility in tremor-dominant participants. Cognitive scores were similar between groups.
Distinguished cognitive domains are involved with dual-tasking overload in Parkinson's disease subgroups.
Posture and Locomotion Studies Laboratory (LEPLO)—São Paulo State University (UNESP), Institute of Biosciences, Rio Claro, São Paulo, Brazil (Drs Pereira, Batistela, and Gobbi and Messrs Rocha dos Santos, and Simieli); Biomechanics and Motor Control Laboratory (LaBioCoM), University of São Paulo, Ribeirão Preto, São Paulo, Brazil (Dr Batistela); Center for Human Movement Sciences, University Medical Center Groningen/University of Groningen, Groningen, The Netherlands (Mr Rocha dos Santos); and Human Movement Research Laboratory, MOVI-LAB, São Paulo State University (UNESP), Bauru, São Paulo, Brazil (Mr Simieli).
Correspondence: Marcelo Pinto Pereira, PhD, Posture and Locomotion Studies Laboratory (LEPLO)—São Paulo State University (UNESP), Institute of Biosciences, Av 24A, 1515, Rio Claro, São Paulo, Brazil, CEP: 13506-900 (firstname.lastname@example.org).
The authors thank FAPESP for financial support.
The authors declare that there is no conflict of interests regarding the publication of this article.
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