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Vision research

Influential factors of thresholds for electrically evoked potentials elicited by intraorbital electrical stimulation of the optic nerve in rabbit eyes.


PMID 17889923

Abstract

Influential factors of electrical thresholds for electrically evoked potentials elicited by intraorbital stimulation of the optic nerve, including stimulation positions of the optic nerve, stimulating electrodes, frequency and duration of electrical pulses and pathological status of the optic nerve, were evaluated in 48 pigmented rabbit eyes. Intravenous injection of sodium iodate was used to induce transneuronal degeneration of the retinal ganglion layer subsequent to photoreceptor death. Two equations were derived to predict electrical thresholds needed to elicit cortical responses.

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