Theta–gamma coupling in the entorhinal–hippocampal system

LL Colgin - Current opinion in neurobiology, 2015 - Elsevier
Highlights•Theta–gamma coupling supports memory processes in the entorhinal–
hippocampal network.•Theta-modulated slow gamma may promote memory retrieval.•Theta …

[HTML][HTML] The beneficial effects of physical exercise in the brain and related pathophysiological mechanisms in neurodegenerative diseases

Y Liu, T Yan, JMT Chu, Y Chen, S Dunnett, YS Ho… - Laboratory …, 2019 - Elsevier
Growing evidence has shown the beneficial influence of exercise on humans. Apart from
classic cardioprotection, numerous studies have demonstrated that different exercise …

Optogenetic gamma stimulation rescues memory impairments in an Alzheimer's disease mouse model

G Etter, S van der Veldt, F Manseau… - Nature …, 2019 - nature.com
Abstract Slow gamma oscillations (30–60 Hz) correlate with retrieval of spatial memory.
Altered slow gamma oscillations have been observed in Alzheimer's disease. Here, we use …

Cross-frequency phase–phase coupling between theta and gamma oscillations in the hippocampus

MA Belluscio, K Mizuseki, R Schmidt… - Journal of …, 2012 - Soc Neuroscience
Neuronal oscillations allow for temporal segmentation of neuronal spikes. Interdependent
oscillators can integrate multiple layers of information. We examined phase–phase coupling …

Parsing hippocampal theta oscillations by nested spectral components during spatial exploration and memory-guided behavior

V Lopes-dos-Santos, GM van de Ven, A Morley… - Neuron, 2018 - cell.com
Theta oscillations reflect rhythmic inputs that continuously converge to the hippocampus
during exploratory and memory-guided behavior. The theta-nested operations that organize …

A hippocampal network for spatial coding during immobility and sleep

K Kay, M Sosa, JE Chung, MP Karlsson, MC Larkin… - Nature, 2016 - nature.com
How does an animal know where it is when it stops moving? Hippocampal place cells fire at
discrete locations as subjects traverse space, thereby providing an explicit neural code for …

Selective entrainment of gamma subbands by different slow network oscillations

W Zhong, M Ciatipis, T Wolfenstetter… - Proceedings of the …, 2017 - National Acad Sciences
Theta oscillations (4–12 Hz) are thought to provide a common temporal reference for the
exchange of information among distant brain networks. On the other hand, faster gamma …

Spatial sequence coding differs during slow and fast gamma rhythms in the hippocampus

C Zheng, KW Bieri, YT Hsiao, LL Colgin - Neuron, 2016 - cell.com
Spatiotemporal trajectories are coded by" theta sequences," ordered series of hippocampal
place cell spikes that reflect the order of behavioral experiences. Theta sequences are …

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 …

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 …