Original ResearchPublished 16 July 2026Transspinal stimulation preceding step training reorganizes spinal locomotor circuits in human spinal cord injury: a randomized sham-controlled clinical trialTimothy S. Pulverenti · Abdullah M. Sayed Ahmad · Noam Y. Harel · Maria KnikouFrontiers in Neural Circuitsdoi 10.3389/fncir.2026.1876368