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Relationship between the spread of fixations and recurrence. The dashed line shows the threshold distance between two fixations used to define refixations. Although theoretically possible, no trials show high recurrence and a high spread of fixations at the same time (no points are in the upper-right corner of the plot). Refixations in mental imagery happen predominantly in combination with low spread of fixations (gaze restriction). The plot has been truncated after 400.
