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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Psychol Res. 2014 Mar 26;79(2):327–343. doi: 10.1007/s00426-014-0561-9

Fig. 4.

Fig. 4

SISL task in Single- and Quad-column perceptual variants. a In the Single-column version, the cues scroll down the same middle column towards the center ring, and participants must respond with the correct keypress based on the color and letter of the perceptual cue. b In the Quad-column version of the SISL task, the cues scroll down one of four columns towards the four outer rings, corresponding to the four horizontal response locations on the keyboard (D, F, J, K). No cues scroll towards the center ring in the Quad-column condition. In both of these instances, a participant must be responding with the “D” key, and be preparing for the upcoming “K” and “F” responses