Cholinergic blockade reduces theta-gamma phase amplitude coupling and speed modulation of theta frequency consistent with behavioral effects on encoding

EL Newman, SN Gillet, JR Climer… - Journal of …, 2013 - Soc Neuroscience
Large-scale neural activation dynamics in the hippocampal-entorhinal circuit local field
potential, observable as theta and gamma rhythms and coupling between these rhythms, is …

Enhancement of encoding and retrieval functions through theta phase-specific manipulation of hippocampus

JH Siegle, MA Wilson - elife, 2014 - elifesciences.org
Assessing the behavioral relevance of the hippocampal theta rhythm has proven difficult,
due to a shortage of experiments that selectively manipulate phase-specific information …

Theta modulation in the medial and the lateral entorhinal cortices

SS Deshmukh, D Yoganarasimha… - Journal of …, 2010 - journals.physiology.org
Hippocampal neurons show a strong modulation by theta frequency oscillations. This
modulation is thought to be important not only for temporal encoding and decoding of …

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 …

Novel space alters theta and gamma synchrony across the longitudinal axis of the hippocampus

SC Penley, JR Hinman, LL Long, EJ Markus… - Frontiers in Systems …, 2013 - frontiersin.org
Hippocampal theta (6–10 Hz) and gamma (25–50 Hz and 65–100 Hz) local field potentials
(LFPs) reflect the dynamic synchronization evoked by inputs impinging upon hippocampal …

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 …

Septotemporal variation in dynamics of theta: speed and habituation

JR Hinman, SC Penley, LL Long… - Journal of …, 2011 - journals.physiology.org
Theta (6–12 Hz) field potentials and the synchronization (coherence) of these potentials
present neural network indices of hippocampal physiology. Theta signals within the …

Theta-gamma cascades and running speed

A Sheremet, JP Kennedy, Y Qin… - Journal of …, 2019 - journals.physiology.org
Oscillations in the hippocampal local field potential at theta and gamma frequencies are
prominent during awake behavior and have demonstrated several behavioral correlates …

Theta rhythm of hippocampal CA1 neuron activity: gating by GABAergic synaptic depolarization

MK Sun, WQ Zhao, TJ Nelson… - Journal of …, 2001 - journals.physiology.org
Information processing and memory consolidation during exploratory behavior require
synchronized activity known as hippocampal theta (θ) rhythm. While it is well established …

Bidirectional changes to hippocampal theta–gamma comodulation predict memory for recent spatial episodes

PR Shirvalkar, PR Rapp… - Proceedings of the …, 2010 - National Acad Sciences
Episodic memory requires the hippocampus, which is thought to bind cortical inputs into
conjunctive codes. Local field potentials (LFPs) reflect dendritic and synaptic oscillations …