Experts publish guidelines for psychophysiological research involving measurements of the eye’s pupil

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Experts publish guidelines for psychophysiological research involving measurements of the eye’s pupil

A variety of psychological and physical conditions can cause variations in the diameter of the pupil—the black center of the eye that changes in size to regulate the amount of light reaching the retina and to sharpen images. In an article published in Psychophysiology, experts offer a set of guidelines to inform and guide research involving pupil measurements during psychological research.

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