eye-roll sign

the tendency of the eyes to roll upward in their sockets during the onset of sleep; the eye roll can also occur when people close their eyes during hypnotic induction. It has been proposed that the degree of eye roll is an index of hypnotic suggestibility, though whether the eye roll is a correlate to or plays a causal role in suggestibility is unknown.

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Psychology term of the day

January 24th 2025

heteronymous hemianopia

a visual field defect in which vision in either the left or right half of both eyes is absent due to a lesion in the optic chiasm. See hemianopia.