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. Author manuscript; available in PMC: 2014 Jun 7.
Published in final edited form as: Vision Res. 2012 Nov 9;85:26–35. doi: 10.1016/j.visres.2012.10.017

Figure 6.

Figure 6

Intertrial effects of two previous trials. A: Spatial attention effect plotted as difference from d′ at the saccade target. “I-C” indicates that only the previous trial’s probe was at the saccade target (congruent), and the trial before that was incongruent. “C-I” is the opposite condition. “I-I” indicates that both of the previous two sequential trials were incongruent. B: Feature-based attention effect plotted as difference from d′ at 0° difference. Condition labels as in A, but for S (“Same”, probe direction = target direction) and D (“Different”, probe direction ~= target direction). Error bars are ±1 SEM across observers.