Category: Cognitive Map

What is known about the role of the hippocampus in processing auditory information, and how the hippocampus itself is shaped by sound?

Alexander J. Billig, Meher Lad, William Sedley, Timothy D. Griffiths. The hearing hippocampus. Progress in Neurobiology, Volume 218, 2022, 102326.

Abstract
The hippocampus has a well-established role in spatial and episodic memory but a broader function has been

Be the First to comment. Read More

How hippocampal activity supports building predictive models by organizing newly learned information according to its congruence with existing memories?

Adam M. P. Miller, Alex D. Jacob, Adam I. Ramsaran, Mitchell L. De Snoo, Sheena A. Josselyn, Paul W. Frankland. Evolution of predictive memory in the hippocampus. bioRxiv 2022.09.08.507204; doi: https://doi.org/10.1101/2022.09.08.507204

Summary
“The brain organizes experiences into memories that …

Be the First to comment. Read More

How the hippocampal formation handles the embedding of stimuli in multiple relational structures that differ vastly in terms of their mode and timescale of acquisition: Does it integrate the different stimulus dimensions into one conjunctive map, or is each dimension represented in a parallel map?

Xiaochen Y. Zheng, Martin N. Hebart, Raymond J. Dolan, Christian F. Doeller, Roshan Cools, Mona M. Garvert. Parallel cognitive maps for short-term statistical and long-term semantic relationships in the hippocampal formation. bioRxiv 2022.08.29.505742; doi: https://doi.org/10.1101/2022.08.29.505742

Abstract
The hippocampal-entorhinal

Be the First to comment. Read More

How hippocampal astrocytes encode reward location?

Adi Doron, Alon Rubin, Aviya Benmelech-Chovav, Netai Benaim, Tom Carmi, Ron Refaeli, Nechama Novick, Tirzah Kreisel, Yaniv Ziv & Inbal Goshen. Hippocampal astrocytes encode reward location. Nature (2022). https://doi.org/10.1038/s41586-022-05146-6

Abstract
“Astrocytic calcium dynamics has been implicated in the encoding …

Be the First to comment. Read More

How brain hippocampal circuits represent switches between diferent behaviours rapidly and flexibility?

Ayelet Sarel, Shaked Palgi, Dan Blum, Johnatan Aljadeff, Liora Las & Nachum Ulanovsky. Natural switches in behaviour rapidly modulate hippocampal coding. Nature (2022). https://doi.org/10.1038/s41586-022-05112-2

Abstract
Throughout their daily lives, animals and humans often switch between different behaviours. …

Be the First to comment. Read More

How does the brain process coordinated head direction representations in mouse anterodorsal thalamic nucleus and retrosplenial cortex?

Marie-Sophie H van der Goes, Jakob Voigts, Jonathan P Newman, Enrique H S Toloza, Norma J Brown, Pranav Murugan, Mark T Harnett. Coordinated Head Direction Representations in Mouse Anterodorsal Thalamic Nucleus and Retrosplenial Cortex. bioRxiv 2022.08.20.504604; doi: https://doi.org/10.1101/2022.08.20.504604

Abstract…

Be the First to comment. Read More

How hippocampal CA2 processes spatial novelty?

Bhasin, Guncha, and Indrajith R. Nair. “Dynamic hippocampal CA2 responses to contextual spatial novelty.” Frontiers in Systems Neuroscience: 79, 2022

Abstract

“Hippocampal place cells are functional units of spatial navigation and are present in all subregions: CA1, CA2, …

Be the First to comment. Read More