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. Author manuscript; available in PMC: 2015 Sep 5.
Published in final edited form as: Neuroscience. 2014 Jun 26;275:477–499. doi: 10.1016/j.neuroscience.2014.06.034

Figure 9.

Figure 9

Representative examples of gaze patterns along the length of the walkway (X-axis) during the four locomotor tasks. All records were obtained from cat 1. Sequential positions of the gaze along the walkway (gaze/surface intersect) are shown by the multicolored line, where different colors indicate different gaze behaviors (green shows gaze shifts, red highlights periods of gaze fixation, yellow shows constant gaze episodes, and light blue indicates periods of slow gaze; see Methods and Fig. 6 for definition and classification of gaze behaviors). Gray lines around the multicolor line outline the area that projected to the retina’s area centralis. The dark blue line shows position of the eye, and brown line indicates position of the wrist of the right forelimb. For the ladder task, the shaded areas with pink edges indicate positions of crosspieces. Gaze and wrist sequential positions form horizontal lines when the gaze and wrist are not moving forward: that means fixation for the gaze and stance phase of the stride cycle for the forelimb. In C, a period of constant gaze is encircled.