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Fig. 2 MMP-2/9 inhibition enhances fear memory retention in early juvenile zebrafish. A Representative cartoon of the Passive avoidance behavior setup. Numbers correspond to: (1) acclimation, (2) lightbox ON, (3) gate opens, (4) gate closes, (5) stone drops. B–E Graphs represent the latency to cross from the blue compartment to the transparent compartment at baseline and three consecutive trials on Day 1, and 24 h later (Day 2) for B–C DSMO- and SB-3CT-treated early juvenile zebrafish and D–E DSMO- and SB-3CT-treated late juvenile/early adult zebrafish. Data is represented as mean ± S.E.M. Independent Paired Student’s t tests were performed between baseline and trials on Day 1 and Mann-Whitney tests were performed between baseline and testing day. *p < 0.05, **p < 0.01, ****p < 0.0001. Created in BioRender. https://BioRender.com/wpn40zv.