perceptual blindness

perceptual blindness

Neurology
Blindness due to a defect in the perceptual pathway, extending from the outer segments of the photoreceptor cells in the signal-decoding circuits of the visual cortex.

Psychology
An incorrect perception and/or memory of viewed events.
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References in periodicals archive ?
In this way, perceptual blindness can help explain why lifeguards fail to detect victims on the bottom of swimming facilities.
Although a lack of vigilance often produces poor surveillance on the part of lifeguards, it appears that even the most vigilant observers suffer from perceptual blindness.
To date, there is no "cure" for perceptual blindness, but knowing that it exists may help lifeguards be more attentive to the bottom.
The first step in dealing with perceptual blindness is to understand it more and acknowledge that it does exist.