Local field potentials: myths and misunderstandings

O Herreras - Frontiers in neural circuits, 2016 - frontiersin.org
The intracerebral local field potential (LFP) is a measure of brain activity that reflects the
highly dynamic flow of information across neural networks. This is a composite signal that …

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 …

Long-duration hippocampal sharp wave ripples improve memory

A Fernández-Ruiz, A Oliva, E Fermino de Oliveira… - Science, 2019 - science.org
Hippocampal sharp wave ripples (SPW-Rs) have been hypothesized as a mechanism for
memory consolidation and action planning. The duration of ripples shows a skewed …

Entorhinal-CA3 dual-input control of spike timing in the hippocampus by theta-gamma coupling

A Fernández-Ruiz, A Oliva, GA Nagy, AP Maurer… - Neuron, 2017 - cell.com
Theta-gamma phase coupling and spike timing within theta oscillations are prominent
features of the hippocampus and are often related to navigation and memory. However, the …

Role of hippocampal CA2 region in triggering sharp-wave ripples

A Oliva, A Fernández-Ruiz, G Buzsáki, A Berényi - Neuron, 2016 - cell.com
Sharp-wave ripples (SPW-Rs) in the hippocampus are implied in memory consolidation, as
shown by observational and interventional experiments. However, the mechanism of their …

[HTML][HTML] Subcircuits of deep and superficial CA1 place cells support efficient spatial coding across heterogeneous environments

F Sharif, B Tayebi, G Buzsáki, S Royer… - Neuron, 2021 - cell.com
The hippocampus is thought to guide navigation by forming a cognitive map of space.
Different environments differ in geometry and the availability of cues that can be used for …

Spatial coding and physiological properties of hippocampal neurons in the Cornu Ammonis subregions

A Oliva, A Fernández‐Ruiz, G Buzsáki… - …, 2016 - Wiley Online Library
ABSTTACT It is well‐established that the feed‐forward connected main hippocampal areas,
CA3, CA2, and CA1 work cooperatively during spatial navigation and memory. These areas …

[ΒΙΒΛΙΟ][B] Electric brain signals: foundations and applications of biophysical modeling

G Halnes, TV Ness, S Næss, E Hagen, KH Pettersen… - 2024 - books.google.com
It is common to study the electric activity of neurons by measuring the electric potential in the
extracellular space of the brain. However, interpreting such measurements requires …

Function of local circuits in the hippocampal dentate gyrus-CA3 system

Y Senzai - Neuroscience Research, 2019 - Elsevier
Anatomical observations, theoretical work and lesioning experiments have supported the
idea that the CA3 in the hippocampus is important for encoding, storage and retrieval of …