Author contributions
All authors contributed extensively to the work presented in this paper. The rationale for stimulating the cerebellothalamocortical pathway to promote motor recovery was provided previously by A.G.M. and K.B.B. A.G.M. and K.B.B. supervised the project, while A.W. and M.S. helped conduct the trial. A.G.M. and S.N. performed surgeries, and S.N., K.B.B. and R.G. were responsible for programming the DBS devices. A.B.R., F.B. and S.D. were responsible for conducting and prescribing physical therapy. C.C., J.O., A.W. and D.F. collected participant data. P.J.F. and L.S. participated as consent monitors. J.C., X.H., F.P.D. and S.E.J. helped with capturing and analyzing imaging data. D.C., J.C. and E.B.P. assisted in the collection of electrophysiological data. O.H. conducted data analysis. S.L.W. contributed to study design, reviewing data and critiquing draft phases of manuscript draft development.