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. Author manuscript; available in PMC: 2014 Oct 16.
Published in final edited form as: Neuroscience. 2013 Jun 24;0:403–413. doi: 10.1016/j.neuroscience.2013.06.020

Figure 3.

Figure 3

Schaffer collateral long-term potentiation. Compared to long day lengths (LDBL), exposure to short day lengths (SDBL) impairs hippocampal LTP (A). When compared to mice exposed to a short duration of melatonin (i.e. LDBL), extending melatonin exposure duration with melatonin implants or exposure to short day lengths (i.e. LDMEL, SDMEL, and SDBL) impairs CA1 LTP (B). Data in B are collapsed by melatonin exposure duration from A. *p < 0.05 repeated measures ANOVA. Horizontal bar in B indicates time points included in ANOVA for A and B.