Figure 5.

A, Four examples of scan paths during search in successful trials containing SWRs. Fixation (circles) and saccades (lines) with graded coloring according to the scan path (blue, trial start; yellow, trial end), with fixation duration represented by circle size. The nearest fixation in time to the SWR event is shown in black outlined in red, with the flanking fixations and saccades indicated by red only. The elapsed search time when the SWR occurred, and total search time until the target was detected, are listed below each image. B, SWR occurrence, as a function of scan path distance from fixations directed in the target location. Fractional occurrence is shown separately for trials that were successful or unsuccessful (hits, red; misses, blue). SWRs concurrent with target fixations, shown in the middle group, had more hits than misses (vertical black significance bar). For a given detection type (hit/miss), the percentage of nonconcurrent SWRs (9 fixations preceding, and 9 subsequent to, the target fixation window) were compared with the percentage concurrent with target fixations (horizontal black significance bars).