STOCHASTIC PROCESSES IN REVERSING FIGURE PERCEPTION

Authors
  1. Taylor, M.M.
  2. Aldridge, K.D.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
The timing patterns of figural reversals were measured, using a stimulus figure usually seen in one of two well-defined forms. The figure was a three-dimensional surface formed by denting a flat piece of Plasticene with a table tennis ball. The surface thus formed could be seen as dented or as bubbly. Transitions between the two forms were clear and abrupt and could not be voluntarily controlled by even a practiced O. The timing distributions of reversals, for four Os who worked for five sessions of 36 min each, were found to be incompatible with theories based on satiation-like effects; neither did they conform with a simple random-walk model. A random-walk model based on a finite majority decision device with memory was found to describe the data better than either. Truncated
Report Number
RP-887 — Research Paper
Date of publication
01 Jan 1974
Number of Pages
17
Reprinted from
Perception & Psychophysics, vol 16, no 1, 1974, p 9-27
DSTKIM No
75-01691
CANDIS No
25218
Format(s):
Hardcopy

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