Gamma rhythm communication between entorhinal cortex and dentate gyrus neuronal assemblies

A Fernández-Ruiz, A Oliva, M Soula, F Rocha-Almeida… - Science, 2021 - science.org
INTRODUCTION Learning induces a dynamic reorganization of brain circuits but the
neuronal mechanisms underlying this process are not well understood. Interregional gamma …

[HTML][HTML] From cell types to population dynamics: Making hippocampal manifolds physiologically interpretable

J Esparza, ER Sebastián, LM de la Prida - Current opinion in neurobiology, 2023 - Elsevier
The study of the hippocampal code is gaining momentum. While the physiological approach
targets the contribution of individual cells as determined by genetic, biophysical and circuit …

The medial septum controls hippocampal supra-theta oscillations

B Király, A Domonkos, M Jelitai… - nature …, 2023 - nature.com
Hippocampal theta oscillations orchestrate faster beta-to-gamma oscillations facilitating the
segmentation of neural representations during navigation and episodic memory. Supra …

HectoSTAR μLED optoelectrodes for large‐scale, high‐precision in vivo opto‐electrophysiology

M Vöröslakos, K Kim, N Slager, E Ko, S Oh… - Advanced …, 2022 - Wiley Online Library
Dynamic interactions within and across brain areas underlie behavioral and cognitive
functions. To understand the basis of these processes, the activities of distributed local …

Gamma oscillatory complexity conveys behavioral information in hippocampal networks

V Douchamps, M di Volo, A Torcini, D Battaglia… - Nature …, 2024 - nature.com
The hippocampus and entorhinal cortex exhibit rich oscillatory patterns critical for cognitive
functions. In the hippocampal region CA1, specific gamma-frequency oscillations, timed at …

How many gammas? redefining hippocampal theta-gamma dynamic during spatial learning

M Aguilera, V Douchamps, D Battaglia… - Frontiers in behavioral …, 2022 - frontiersin.org
The hippocampal formation is one of the brain systems in which the functional roles of
coordinated oscillations in information representation and communication are better studied …

Different theta frameworks coexist in the rat hippocampus and are coordinated during memory-guided and novelty tasks

VJ López-Madrona, E Pérez-Montoyo… - Elife, 2020 - elifesciences.org
Hippocampal firing is organized in theta sequences controlled by internal memory
processes and by external sensory cues, but how these computations are coordinated is not …

Awake delta and theta-rhythmic hippocampal network modes during intermittent locomotor behaviors in the rat.

NW Schultheiss, M Schlecht… - Behavioral …, 2020 - psycnet.apa.org
Delta-frequency network activity is commonly associated with sleep or behavioral
disengagement accompanied by a dearth of cortical spiking, but delta in awake behaving …

Theta-phase-specific modulation of dentate gyrus memory neurons

B Rahsepar, JF Norman, J Noueihed, B Lahner… - Elife, 2023 - elifesciences.org
The theta rhythm, a quasi-periodic 4–10 Hz oscillation, is observed during memory
processing in the hippocampus, with different phases of theta hypothesized to separate …

Theta-gamma coupling during REM sleep depends on breathing rate

M Hammer, C Schwale, J Brankačk, A Draguhn… - Sleep, 2021 - academic.oup.com
Temporal coupling between theta and gamma oscillations is a hallmark activity pattern of
several cortical networks and becomes especially prominent during REM sleep. In a parallel …