Fig. 3: Results of the SID-Photo and SID-Video tasks.

a Significant main effect of age. RTs are z-transformed. b Significant main effect of condition and significant differences between positive vs neutral and negative vs neutral but not positive vs negative condition. Statistical comparisons were made using a 2 × 2 × 3 mixed design (between factors study and age; within-factor condition) permutation F-test and two-sided permutation paired t-tests (with Bonferroni correction). Data are presented in boxplots overlaid with data points. Boxes span from the lower to the upper quantile and whiskers of the boxplots depict data points that are the furthest from the center while still being inside the range of 1.5 times the interquartile range from the lower or upper quartile. Solid lines indicate the median, dashed lines indicate the mean. Asterisks mark significant differences (p < 0.001).