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random-dot stereogram

a type of stereogram consisting of two images, each composed of black and white dots (or squares). Many of the dots are identical in both images, but a subset of dots in one image is offset horizontally. The images appear to consist of random dots, but when the separate images are simultaneously presented to the separate eyes, they are fused by the visual system, and the horizontal disparity of the subset of dots is interpreted as stereoscopic depth. [first devised in 1959 by Béla Julesz]

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Psychology term of the day

October 10th 2024

stochastic

stochastic

adj.

1. random or undetermined; arising from chance.

2. describing a system or process that follows a probability pattern, such that events may be analyzed according to their statistical probability but not accurately predicted. See probabilism.