Visual Perception: Shaping What We See

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Visual Perception: Shaping What We See David A Leopold  Current Biology  Volume 13, Issue 1, Pages R10-R12 (January 2003) DOI: 10.1016/S0960-9822(02)01379-9

Figure 1 Example of stimulus used in the perceptual trapping experiment. If the two patterns in (A) are presented stereoscopically to the two eyes, perception fluctuates between four possible coherent percepts (B). However the probability of seeing a particular stimulus at each point in time is not random, but instead highly dependent on the previous perceptual state. Current Biology 2003 13, R10-R12DOI: (10.1016/S0960-9822(02)01379-9)

Figure 2 Example of perceptual trapping with the stimulus shown in Figure 1. The percept of a subject is shown to alternate as a function of time (despite the unchanging visual stimulus). While each of the four visual solutions commonly reaches perceptual dominance, the majority of subjective transitions are between opponent shape pairs, and perception is thus ‘trapped’ (red and green highlighted regions). Current Biology 2003 13, R10-R12DOI: (10.1016/S0960-9822(02)01379-9)