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. 2015 Mar 3;9:23. doi: 10.3389/fnsys.2015.00023

Figure 2.

Figure 2

Schematic showing the various tasks administered to patient and controls. (A) Schematic of the Endogenous Cueing Task. (B) Schematic of the Exogenous Cueing Task. (C) Schematic of the Exogenous Cueing Task with Explicit Reorienting. ISI, Inter-stimulus Interval is the time between the cue and stimulus. ISI for the Endogenous Cueing Task was fixed at 100 ms; ISI for Exogenous Cueing Task was 0, 100, 250, 500 or 700 ms; ISI for the Exogenous Cueing Task with Explicit Reorienting was 100, 400 or 800 ms. Subjects were instructed to indicate the orientation of the Gabor Patch with a button press during the Response window (Gray Fixation).