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Fig. 2 | Molecular Brain

Fig. 2

From: Adult neurogenesis mediates forgetting of multiple types of memory in the rat

Fig. 2

A Schematic representation of the behavior and experimental timeline in the contextual fear conditioning (CFC) weak training condition. B Schematic representation of the behavior and experimental timeline in the CFC strong training condition. C % Freezing during CFC training in the weak training condition for runners (Run) and sedentary controls (Sed). Data are shown as individual data points with mean (horizontal lines) and % Freezing scale on the left Y-axis. Effect size (Cohen’s d) is shown as a black circle with vertical lines and gaussian distribution for the bootstrap 95% CI and Cohen’s d scale on the right y-axis. Both groups froze the same amount during conditioning. D % freezing during CFC training in the strong training condition. Upper graph shows individual data points in swarm plots with means (± SD; gapped vertical line). Lower graph shows effect size (Cohen’s d) as a black circle with vertical lines and gaussian distributions for the bootstrap 95% CI. Both groups froze the same amount during conditioning and percent freezing increased in both groups over successive days of conditioning. E % Freezing in the weak training condition (Weak) and strong training condition (Strong) following either running or sedentary control. Upper graph shows individual data points in swarm plots with means (± SD; gapped vertical line). Lower graph shows effect size (Cohen’s d) as a black circle with vertical lines and gaussian distributions for the bootstrap 95% CI. Runners in both conditions showed large reductions in freezing, indicating that increasing neurogenesis caused forgetting, although the magnitude of the effect was somewhat lower in the strong training condition than in the weak training condition

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