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<p>of spinal preparations, researchers have experimented with using preparations both with and without movement-related sensory inputs. In preparations with movement-related sensory inputs, the muscles and the <a href="page.php?w=motor_neuron">motor neuron</a> outputs to muscles are left intact, allowing sensory feedback from the moving limb. In preparations without movement-related sensory input, one of three strategies is used:<br/>
# the axons of sensory neurons are cut by dorsal root transection; or<br/>
# neuromuscular blockers are used to</p><p>
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