Have a look on our recent publication on Reward during Arm Training after Stroke by our Dr. Mario Widmer and Dr. Kai Lutz

Widmer M, Held JPO, Wittmann F, Valladares B, Lambercy O, Sturzenegger C, Palla A, Lutz K, Luft AR. 2022 Reward During Arm Training Improves Impairment and Activity After Stroke: A Randomized Controlled Trial. Neurorehabil Neural Repair 3