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A 'sustain pedal' in the hippocampus?

A study reveals that a largely ignored cell type in the dentate gyrus, semilunar granule cells, are persistently depolarized after a transient input and recruit interneurons to regulate the gating of information into the hippocampus.

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Figure 1: SGCs lie in the inner molecular layer of the dentate gyrus.

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Correspondence to Matthew C Walker.

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Walker, M., Pavlov, I. & Kullmann, D. A 'sustain pedal' in the hippocampus?. Nat Neurosci 13, 146–148 (2010). https://doi.org/10.1038/nn0210-146

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