ANT. a) There are four different cue types: No-cue (i.e., no cues displayed), Center-cue (i.e., cue displayed in the center of the screen), Double-cue (i.e., two horizontally centered cues simultaneously displayed), and Spatial-cue (i.e., cue appears in the same place where the target will subsequently appear); b) Flankers are lines (neutral condition) or arrows pointing in the same (congruent condition) or opposite (incongruent condition) direction as that of the central target arrow; c) Timeline of the trials. (Adapted from “A symbolic model of human attentional networks" by H. Wang, J. Fan and T.R. Johnson, 2004, Cognitive Systems Research 5, p. 121. Reprinted with permission).
Orellana et al. BMC Psychiatry 2012 12:154 doi:10.1186/1471-244X-12-154