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. Author manuscript; available in PMC: 2013 Jul 8.
Published in final edited form as: J Vis. 2009 Apr 17;9(4):13.1–1317. doi: 10.1167/9.4.13

Figure 5.

Figure 5

Mean results with single cue. (H: horizontal meridian; V: vertical meridian; UV: upper vertical meridian; LV: lower vertical meridian.) ILM is generated away from the cue. (a) Zero Points shift in opposite directions with inside cues (percept of outward motion) and outside cues (percept of inward motion); no differences by location. (b) PSEs occur at slower physical line motion on the vertical than the horizontal meridian, indicating differences in speed of ILM. Shift is greater for inside cues than outside cues at all locations. (c) Slopes for inside cues are shallower than for outside cues; direction discriminability for the net motion (ILM + physical line motion) is poorer. (Error bars: 1 SE. Significance: *p < .05; **p < .01; ***p < .005; ****p < .001.)