vigilance decrement

in a vigilance task, a decrease in the number of targets detected that occurs after a short period on the task. In many situations, the decrement is due to a shift in the response criterion, although in some cases it reflects a decrease in sensitivity for detecting the target.

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Psychology term of the day

May 8th 2024

manoptoscope

n. a hollow cone used for measuring eye dominance. The observer views a small target by placing the base of the cone near the eyes and then viewing the target through the small end of the cone while closing first one eye and then the other. The eye through which the target is actually seen is the dominant eye.