PubMed · 9226049
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J M Dennis, N J Coker. 1997. Electroneuronography.. https://doi.org/10.1159/000059041
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Motor potentials of the intrinsic lingual muscles were recorded by surface electrode in a patient with left hypoglossal neuropathy. Electrical stimulation of the right hypoglossal nerve had contralateral lingual muscle potentials representing the crosstalk volume conducted electromyography signals. Magnetic stimulation of either cerebral hemisphere yielded motor responses on the right half of the tongue with more contribution from the crossed corticobulbar fibers. Follow-up studies showed an improvement of dysphagia and left lingual motor potentials.
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A blind volunteer with retinitis pigmentosa was chronically implanted with a self-sizing spiral cuff electrode around an optic nerve. Electrical stimuli applied to the nerve produced localized visual sensations that were broadly distributed throughout the visual field and could be varied by changing the stimulating conditions. These results demonstrate the potential for constructing a visual prosthesis, based on electrical stimulation of the optic nerve, for blind subjects who have intact retinal ganglion cells.