Fig. 7

The distributions of fixation distance to screen center during the CCT sessions. The colored dots in each violin plot represent data from each eye of the participants. The black horizontal line represents average value. The white circle represents the median value. The black box represents the first and third quartile (Q1 and Q3). The black vertical line represents Q1–1.5 × IQR (interquartile range) and Q3 + 1.5 × IQR. EO = Eye Open; BST = Baseline Shooting Target fixation; BCT = Baseline Combination Target fixation; CST = Concentration Shooting Target; CTCT = Combination Target Concentration Task; CVD = Concentration with Visual Distractors; CMD Pop = Concentration with Music Distractors (pop music); CMD Piano = Concentration with Music Distractors (piano music).