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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Respir Physiol Neurobiol. 2019 Jan 6;265:32–39. doi: 10.1016/j.resp.2019.01.001

Figure 2.

Figure 2

Spinal Plasticity after Motor Neuron Death. To preserve ventilatory and airway protective functions of respiratory motor network, the following remodeling strategies can be employed: 1) strengthening/weakening existing excitatory/inhibitory synapses and 2) form new synapses or prune existing synapses. 3) Restoration of neuromodulatory (e.g. 5HT) innervation. Consequently, phrenic nerve output can be at least partially be restored following phrenic motor neuron death.