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. Author manuscript; available in PMC: 2010 Apr 28.
Published in final edited form as: Psychol Aging. 2009 Jun;24(2):476–486. doi: 10.1037/a0015266

Figure 1.

Figure 1

Sequence of events on an imitation trial. At the trial’s start a yellow disk appeared at the center of the display (Figure 1A). After 1 s the disk began to move in a series of connected linear segments without leaving any visible trail (Figure 1B). After a retention interval of 3.75 s (Figure 1C), a blue disk appeared (Figure 1D) signaling the participant to begin imitating the remembered path taken previously, by the yellow disk (Figure 1E). When the participant finished, feedback was provided by displaying the path of the participant’s imitation superimposed on the path that had been taken by the stimulus (Figure 1F). Figure adapted from “Geometric Structure and Chunking in Reproduction of Motion Sequences,” by Y. Agam and R. Sekuler, 2008, Journal of Vision, 8, p. 3. Copyright 2008 by the Association for Research in Vision and Ophthalmology.