Single-neuron spiking variability in hippocampus dynamically tracks sensory content during memory formation in humans
Waschke, L.; Kamp, F.; van den Elzen, E.; Krishna, S.; Lindenberger, U.; Rutishauser, U.; Garrett, D. D.
Show abstract
During memory formation, the hippocampus is presumed to represent the "content" of stimuli, but how it does so is unknown. Using computational modelling and human single-neuron recordings, we show that the more precisely hippocampal spiking variability tracks the composite features of each individual stimulus, the better those stimuli are later remembered. We propose that moment-to-moment spiking variability may provide a new window into how the hippocampus constructs memories from the building blocks of our sensory world.
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