Neural ensembles in navigation: From single cells to population codes

EAA Jones, LM Giocomo - Current opinion in neurobiology, 2023 - Elsevier
The brain can represent behaviorally relevant information through the firing of individual
neurons as well as the coordinated firing of ensembles of neurons. Neurons in the …

Sharpening the blades of the dentate gyrus: how adult‐born neurons differentially modulate diverse aspects of hippocampal learning and memory

G Berdugo‐Vega, S Dhingra, F Calegari - The EMBO Journal, 2023 - embopress.org
For decades, the mammalian hippocampus has been the focus of cellular, anatomical,
behavioral, and computational studies aimed at understanding the fundamental …

[HTML][HTML] A distributed and efficient population code of mixed selectivity neurons for flexible navigation decisions

S Kira, H Safaai, AS Morcos, S Panzeri… - Nature …, 2023 - nature.com
Decision-making requires flexibility to rapidly switch one's actions in response to sensory
stimuli depending on information stored in memory. We identified cortical areas and neural …

Leptin receptor neurons in the dorsomedial hypothalamus input to the circadian feeding network

Q Tang, E Godschall, CD Brennan, Q Zhang… - Science …, 2023 - science.org
Salient cues, such as the rising sun or availability of food, entrain biological clocks for
behavioral adaptation. The mechanisms underlying entrainment to food availability remain …

Complement C1q drives microglia-dependent synaptic loss and cognitive impairments in a mouse model of lipopolysaccharide-induced neuroinflammation

X Wu, Y Gao, C Shi, J Tong, D Ma, J Shen, J Yang… - …, 2023 - Elsevier
Activated microglia and subsequent release of pro-inflammatory cytokines result in
neuroinflammatory status which further damage neurological function including cognitive …

[HTML][HTML] Large-scale recording of neuronal activity in freely-moving mice at cellular resolution

A Das, S Holden, J Borovicka, J Icardi, A O'Niel… - Nature …, 2023 - nature.com
Current methods for recording large-scale neuronal activity from behaving mice at single-
cell resolution require either fixing the mouse head under a microscope or attachment of a …

[HTML][HTML] Bidirectional synaptic changes in deep and superficial hippocampal neurons following in vivo activity

M Berndt, M Trusel, TF Roberts, BE Pfeiffer, LJ Volk - Neuron, 2023 - cell.com
Neuronal activity during experience is thought to induce plastic changes within the
hippocampal network that underlie memory formation, although the extent and details of …

Chromatin plasticity predetermines neuronal eligibility for memory trace formation

G Santoni, S Astori, M Leleu, L Glauser, SA Zamora… - Science, 2024 - science.org
Memories are encoded by sparse populations of neurons but how such sparsity arises
remains largely unknown. We found that a neuron's eligibility to be recruited into the memory …

[HTML][HTML] Mapping the spatial transcriptomic signature of the hippocampus during memory consolidation

Y Vanrobaeys, U Mukherjee, L Langmack… - Nature …, 2023 - nature.com
Memory consolidation involves discrete patterns of transcriptional events in the
hippocampus. Despite the emergence of single-cell transcriptomic profiling techniques …

Remapping revisited: how the hippocampus represents different spaces

AA Fenton - Nature Reviews Neuroscience, 2024 - nature.com
The representation of distinct spaces by hippocampal place cells has been linked to
changes in their place fields (the locations in the environment where the place cells …