Figure 2.

Attention responses to the probe in experiment 1. A, ERP difference waves (contralateral minus ipsilateral) time-locked to the onset of the probe divided across high- and low-memory-capacity groups. B, Mean amplitude (in microvolts) of the P1/N1 attention effect to the probe. Error bars reflect 95% confidence intervals. C, Correlation between memory capacity and susceptibility to attentional capture. Attentional capture is measured as the amplitude difference (in microvolts) between the P1/N1 responses to probes at target and distractor locations. Note that smaller values indicate poorer resistance to capture.