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Topic: visual association task

ePoster
2 ePosters

In Neuroscience

Perturbing inhibitory activity interferes with memory reactivation and attenuates learning in postrhinal cortex

Kristian Kinden Lensjø, Ingeborg Nymoen, Frederik Sebastian Rogge, Arthur Sugden, Inga Shurnayte, Kristin Tøndel, Sverre Grødem, Torkel Hafting, Mark Andermann, Marianne Fyhn · FENS Forum 2024

Consolidation of salient experiences to form memories rely on precise coupling of high frequency neural network events between hippocampus and neocortex. Within these events, reactivation of subpopulations of neurons is believed to strengthen connections within and between networks. We have previously shown that cue-specific reactivation occurs in postrhinal cortex during learning of a visual association task. Moreover, recent work suggests a role for parvalbumin-expressing (PV) inhibitory interneurons in consolidation by synchronizing hippocampal and cortical activity. We therefore hypothesiz

ePoster · Neuroscience

Visual associative learning in the medial entorhinal cortex

Ingeborg Nymoen, Frederik Rogge, Anna H. Aasen, Sverre Grødem, Mikkel E. Lepperød, Torkel Hafting, Kristian K. Lensjø, Marianne Fyhn · FENS Forum 2024

Mammals show a significant capacity for contextual knowledge transfer, applying acquired information to novel situations. Such generalization involves extracting common features from diverse experiences and utilizing them to make predictions in unfamiliar contexts. It remains unknown which brain areas are responsible for such abstractions. Neural representations in the medial entorhinal cortex (MEC) constitute a generalized map of the local space, but recent findings may suggest that the MEC possesses non-spatial dimensions suggesting a generalized network for learning state spaces irrespectiv

ePoster · Neuroscience