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New paper: Longitudinal prediction of motor dysfunction after stroke: a disconnectome study

Lilit Dulyan · Lia Talozzi · Valentina Pacella · Maurizio Corbetta · Stephanie J. Forkel · Michel Thiebaut de Schotten


Dulyan et al, 2022
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Motricity is the most commonly affected ability after a stroke. While many clinical studies attempt to predict motor symptoms at different chronic time points after a stroke, longitudinal acute-to-chronic studies remain scarce.


Taking advantage of recent advances in mapping brain disconnections, we predict motor outcomes in 62 patients assessed longitudinally two weeks, three months, and one year after their stroke. Results indicate that brain disconnection patterns accurately predict motor impairments.


However, disconnection patterns leading to impairment differ between the three-time points and between left and right motor impairments.


These results were cross-validated using resampling techniques. In sum, we demonstrated that while some neuroplasticity mechanisms exist changing the structure–function relationship, disconnection patterns prevail when predicting motor impairment at different time points after stroke.


https://link.springer.com/article/10.1007/s00429-022-02589-5




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