The theta rhythm of the hippocampus: from neuronal and circuit mechanisms to behavior

A Nuñez, W Buño - Frontiers in cellular neuroscience, 2021 - frontiersin.org
This review focuses on the neuronal and circuit mechanisms involved in the generation of
the theta (θ) rhythm and of its participation in behavior. Data have accumulated indicating …

Neuromodulation in circuits of aversive emotional learning

E Likhtik, JP Johansen - Nature neuroscience, 2019 - nature.com
Emotional learning and memory are functionally and dysfunctionally regulated by the
neuromodulatory state of the brain. While the role of excitatory and inhibitory neural circuits …

[HTML][HTML] Locomotion, theta oscillations, and the speed-correlated firing of hippocampal neurons are controlled by a medial septal glutamatergic circuit

F Fuhrmann, D Justus, L Sosulina, H Kaneko, T Beutel… - Neuron, 2015 - cell.com
Before the onset of locomotion, the hippocampus undergoes a transition into an activity-state
specialized for the processing of spatially related input. This brain-state transition is …

Optogenetic activation of septal cholinergic neurons suppresses sharp wave ripples and enhances theta oscillations in the hippocampus

M Vandecasteele, V Varga, A Berényi… - Proceedings of the …, 2014 - National Acad Sciences
Theta oscillations in the limbic system depend on the integrity of the medial septum. The
different populations of medial septal neurons (cholinergic and GABAergic) are assumed to …

Cell-type-specific circuit connectivity of hippocampal CA1 revealed through Cre-dependent rabies tracing

Y Sun, AQ Nguyen, JP Nguyen, L Le, D Saur, J Choi… - Cell reports, 2014 - cell.com
We developed and applied a Cre-dependent, genetically modified rabies-based tracing
system to map direct synaptic connections to specific CA1 neuron types in the mouse …

Septo–hippocampal interaction

C Müller, S Remy - Cell and tissue research, 2018 - Springer
The septo–hippocampal pathway adjusts CA1 network excitability to different behavioral
states and is crucially involved in theta rhythmogenesis. In the medial septum, cholinergic …

Cholinergic modulation of spatial learning, memory and navigation

N Solari, B Hangya - European Journal of Neuroscience, 2018 - Wiley Online Library
Spatial learning, including encoding and retrieval of spatial memories as well as holding
spatial information in working memory generally serving navigation under a broad range of …

Cholinergic modulation of hippocampal network function

LM Teles-Grilo Ruivo, JR Mellor - Frontiers in synaptic neuroscience, 2013 - frontiersin.org
Cholinergic septohippocampal projections from the medial septal area to the hippocampus
are proposed to have important roles in cognition by modulating properties of the …

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 …

Optogenetic activation of septal glutamatergic neurons drive hippocampal theta rhythms

J Robinson, F Manseau, G Ducharme… - Journal of …, 2016 - Soc Neuroscience
The medial septum and diagonal band of Broca (MS-DBB) has an essential role for theta
rhythm generation in the hippocampus and is critical for learning and memory. The MS-DBB …