#neurorehabilitation

Unless the severed wiring is reconnected exactly as it was, there can be no recovery from spinal cord injury—decades of research have been shaking this premise. Biology that grows and guides; engineering that wakes dormant circuits and trains them. A 2019 review in Nature Medicine lays these two toolboxes side by side and argues that combinations should be designed not as simple addition but around the interactions between mechanisms and their timing. Dr. Exotaro reads it, adding what has happened since, up to 2026.

Exercise reaches the brain through peripheral signals—BDNF, lactate, immune and vascular messengers. But a biomarker "moving" is not the same as cognition returning. An Italian neurorehabilitation team offers an integrative model: the biological effects of exercise become clinically meaningful only when they couple to attention-demanding movement and surface as a behavior called cognitive-motor integration (CMI). Exotaro unpacks a review that surveys the differences across stroke, Parkinson's, MS, and TBI, and how to deploy VR, robots, and wearables.