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Recently, we discovered that deep and superficial CA1 pyramidal cells participate differentially during sharp-wave ripples (Valero et al Nat Neu 2015). Using unsupervised clustering of ripple events, we next disclosed a mechanism determining firing selectivity and its distorsion in the epileptic hippocampus (Valero et al. Neuron 2017). Our data support the idea of a strong regionalization of hippocampal function during basic processes underlying memory consolidation, which is a major research line today in our lab.

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