Abstract
Four experiments investigated the memory distortions for the location of a dot in relation to two horizontally aligned landmarks. In Experiment 1, participants reproduced from memory a dot location with respect to the two landmarks. Their performance showed a systematic pattern of distortion that was consistent across individual participants. The three subsequent experiments investigated the time course of spatial memory distortions. Using a visual discrimination task, we were able to map the emergence of spatial distortions within the first 800 msec of the retention interval. After retention intervals as brief as 50 msec, a distortion was already present. In all but one experiment, the distortion increased with longer retention intervals. This early onset of spatial memory distortions might reflect the almost immediate decay of detailed spatial information and the early influence of an enduring spatial memory representation, which encodes spatial information in terms of the perceived structure of space.
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This research was supported by a research grant of the German Science Foundation to S.W.
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Werner, S., Diedrichsen, J. The time course of spatial memory distortions. Memory & Cognition 30, 718–730 (2002). https://doi.org/10.3758/BF03196428
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DOI: https://doi.org/10.3758/BF03196428