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. Author manuscript; available in PMC: 2010 Jun 30.
Published in final edited form as: J Neurosci Methods. 2009 Apr 24;181(1):106–110. doi: 10.1016/j.jneumeth.2009.04.012

Figure 6.

Figure 6

Eye position data recorded at 1 kHz using the Cerebus data acquisition system (Blackrock Microsystems, Salt Lake City, UT). Plots show superimposed eye positions along the horizontal and vertical axis for 118 trials of the behavioral task described in Figure 5. Stimulus onset and offset are indicated by vertical lines. Individual tracings reveal small noise fluctuations on the order of minutes of visual angle. The smoothness of the tracings demonstrate the stability of this head fixation system while tracking eye movements with the EyeLink 1000 infrared eye tracking system (SR Research, Ltd., Ontario, Canada).