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. 2024 Mar 26;16:100103. doi: 10.1016/j.nbscr.2024.100103

Fig. 1.

Fig. 1

Serotonin and Dopamine Content in the NAc is Elevated by Short Winter-like Photoperiod in an Age-Dependent Manner: Serotonin, 5-HIAA, dopamine, and DOPAC content in the NAc of Short, Equinox and Long periadolescent (P30) and young adult (P50) mice. A) For serotonin, there was a main effect of photoperiod (F (2, 67) = 17.15, p < 0.0001), age (F (1, 67) = 11.03, p = 0.0015), and an interaction effect (F (2, 67) = 5.220, p = 0.0078). B) For 5-HIAA concentrations, there was a main effect of photoperiod (F (2, 67) = 18.49, p < 0.0001). C) For dopamine content, there was a main effect of photoperiod (F(2, 67) = 9.586, p = 0.0002), age (F (1, 67) = 10.41, p = 0.0019), and an interaction effect (F (2, 67) = 6.453, p = 0.0027) D) For DOPAC concentrations, we found a main effect of photoperiod (F (2, 67) = 6.611, p = 0.0024). Data are represented as mean±SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. Males: Short, P30 (N = 4), Short, P50 (N = 2); Equinox, P30 (N = 7), Equinox, P50 (N = 3); Long, P30 (N = 5), Long P50 (N = 5); Females: Short, P30 (N = 7), Short, P50 (N = 10); Equinox, P30 (N = 5), Equinox, P50 (N = 9); Long, P30 (N = 9), Long P50 (N = 7).