| Many researches found that big numbers induce time overestimation while small numbers induce time underestimation, which is consistent with the mode control model proposed by Meck and Church (1983), which postulates that the same encoding mechanism underlies quantity and time processing. A similar model with an extended scope, a theory of magnitude (ATOM), was proposed by Walsh (2003). According to ATOM, time, space, and quantity processing rely on a common magnitude representation, and these three systems share information-processing resources and behavioral goals.Otherwise, the perceived representation duration increased as the circle increased in area. In experiment 1 we measured the perceived duration of presentation of visual objects whose perceived area was altered by the Ebbinghaus illusion, where in a central circle surrounded by large inducers appeared to be smaller than a same-size circle surrounded by small inducers. The results showed that the perceived duration of presentation for apparently larger circles was longer than that of apparently smaller circles. In experiment 2 and 3 we change people’s attention direction by an additional task, which is to judge the number in inducer circles (experiment 2) or in a central circle (experiment 3) is odd or even, the results of experiment 2 and 3 showed subjective size rather than number is a priority to bias time perception,although there is a trend that number alters time perception (experiment 2).And attention direction has limited influence on time perception. In experiment 4 we use RMB 1 yuan coins and 1 jiao coins as big inducers and small inducers,5 jiao as central circles to make people estimate the duration of central circle,the results showed that although the central circle size is different but the difference of size did not bias time perception, which suggests people are more likely to depend on knowledge and experience rather than size to estimate duration. |
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