Figure 3.

Lateralization index of posterior α (left vs right hemisphere) versus behavioral lateralization index for target processing (left vs right hemifield). The leftmost boxes show the evolution of α-lateralization indices over precue and cue–target intervals (collapsed into 3 time windows). The rightmost boxes illustrate the corresponding left-right bias in target processing (in terms of either RT or DR). For both cueing conditions (light vs dark gray boxes), the α-lateralization index close to target onset (second half of cue–target interval) perfectly matches the left-right bias estimated from the behavioral responses to these targets. Note the different scaling for α and behavioral lateralization indices (left vs right y-axis). Whiskers indicate SE.