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9
In humans, injury of the spinal cord is often followed by a so-called “spinal shock”. What are the symptoms of a “spinal shock” and why does it occur in humans but not in mice?
•Spinal cord injury
•-> Neurons involved in reflex arcs no longer receive basal level of excitatory stimulation from brain.
•-> Become hyperpolarized and thus less responsive.
•Recovery is possible.
•A spinal shock does not occur in mice because reflex circuits are not controlled by the brain.
•-> Neurons involved in reflex arcs no longer receive basal level of excitatory stimulation from brain.
•-> Become hyperpolarized and thus less responsive.
•Recovery is possible.
•A spinal shock does not occur in mice because reflex circuits are not controlled by the brain.
