Medial entorhinal cortex lesions induce degradation of CA1 place cell firing stability when self-motion information is used.

Moreover, the within-session correlation increased for place cells in SHAM rats and was nearly significant in MEC rats (repeated measures ANOVA, group effect, F(1,92) = 59.02, p < 0.001; session effect, F(1,92) = 4.9, p < 0.05, no group × session interaction, F(1,92) = 0.3, n.s.; post hoc Newman–Keuls, S4 vs S5: SHAM, p < 0.001, MEC, p = 0.054; SHAM vs MEC: S4, p < 0.001, S5, p < 0.001).

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