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Author

L. Topolnik

2 papers indexed here

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Open access Sep 2026

Sublayer‐ and pathway‐specific control of CA1 input processing by VIP interneurons

Vasoactive intestinal peptide‐expressing interneurons (VIP‐INs) are prominent regulators of inhibition in hippocampal circuits, yet how their dual inhibitory and disinhibitory actions shape pathway‐specific processing across pyramidal cell sublayers remains unclear. Here, we combined pathway‐specific electrophysiology...

Parisa Iloun, Jordan Grenier, Félix Veillette et al. · 0 citations
Open access Sep 2026

Median raphe input to dorsal CA1 shapes VIP interneuron recruitment and novelty-guided spatial memory

Vasoactive intestinal peptide–expressing interneurons (VIP-INs) gate hippocampal inhibition during novel experience, but the long-range signals that engage these cells remain poorly understood. Here we identify median raphe (MnR) projections as a brainstem pathway that tunes dorsal CA1 VIP-IN recruitment through coordi...

Xiao Luo, Risna Radhakrishnan, Alexandre Guet-McCreight et al. · 0 citations

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