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Spinal segments C1–C5 illustrating a unilateral C2 hemisection (C2Hx) injury, C3, C4, C5 cervical rootlets, phrenic nerve output and multi-electrode array recordings at C4/C5 (center panel). Representative ipsilateral and contralateral recordings from 13 mid-cervical spinal INs and their corresponding locations within the cervical spinal cord.
