Propagation of hippocampal ripples to the neocortex by way of a subiculum-retrosplenial pathway

This collaboration between the Dietmar Schmitz and Gyorgy Buzsaki labs utilized 32-channel and 256-channel multi-shank NeuroNexus probes and optoelectrodes. The geometry of the probes enabled positioning shanks in the mouse hippocampus/dentate gyrus, subiculum and granular retrosplenial cortex simultaneously. Through acute electrophysiology and optogenetic manipulation, this team defined a pathway by which sharp wave ripples communicate from the hippocampus to cortex.

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