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Article
April 1955

Effects of Illumination and Sleep upon Amplitude of Electro-Oculogram

Author Affiliations

Philadelphia
Now Instructor, Department of Physiology, Jefferson Medical College.; From the Physiology Department of the University of Chicago. This study was carried out under a U. S. Public Health Service Fellowship.

AMA Arch Ophthalmol. 1955;53(4):542-546. doi:10.1001/archopht.1955.00930010550013
Abstract

The electro-oculogram (EOG) may be defined as a record of eye movement based on the detection of the D. C. potential of the eye and subsequent electronic magnification. Depending upon whether a D. C. or a capacitance-coupled amplifier is employed, the amplitude of the EOG will be subject to different interpretation. With a D. C. amplifier, for instance, the amplitude of the EOG will bear a relationship to the angle of ocular rotation. However, regardless of the type of instrument used, it is evident that the resultant EOG must also be a function of the magnitude of the resting potential of the eye. Experimental procedures which alter the eye potential can be expected to affect the EOG accordingly. Although several papers * relate their results to the D. C. potential of the eye, the relationship is indirect, inasmuch as EOG's rather than eye potentials were recorded.

Significant changes of the D.

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