Results 21 to 30 of about 8,598 (236)
Human hippocampal theta-gamma coupling coordinates sequential planning during navigation. [PDF]
Proc Natl Acad Sci U S AHuman behavior often relies on executing a specific sequence of actions to achieve a desired outcome. However, the neural mechanisms underlying the dynamic construction and maintenance of such sequences during goal-directed behavior are not yet clear. Empirical and theoretical studies of working memory function suggest that sequential information may ...
Huang Z, Bisby JA, Burgess N, Bush D.
europepmc +4 more sources
Theta- and gamma-band oscillatory uncoupling in the macaque hippocampus
eLife, 2023 Nested hippocampal oscillations in the rodent give rise to temporal dynamics that may underlie learning, memory, and decision making. Although theta/gamma coupling in rodent CA1 occurs during exploration and sharp-wave ripples emerge in quiescence, it is
Saman Abbaspoor +2 more
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The medial septum controls hippocampal supra-theta oscillations
Nature Communications, 2023 Hippocampal theta oscillations orchestrate faster beta-to-gamma oscillations facilitating the segmentation of neural representations during navigation and episodic memory.
Bálint Király +16 more
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Theta-gamma phase amplitude coupling in a hippocampal CA1 microcircuit
PLOS Computational Biology, 2023 Phase amplitude coupling (PAC) between slow and fast oscillations is found throughout the brain and plays important functional roles. Its neural origin remains unclear. Experimental findings are often puzzling and sometimes contradictory. Most computational models rely on pairs of pacemaker neurons or neural populations tuned at different frequencies ...
Ponzi, Adam +2 more
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Theta–gamma coupling in the entorhinal–hippocampal system [PDF]
Current Opinion in Neurobiology, 2015 For decades, theta rhythms (∼5-10Hz) have been thought to play a critical role in memory processing in the entorhinal-hippocampal network. However, recent evidence suggests that successful memory performance also requires coupling of ∼30-100Hz gamma rhythms to particular phases of the theta cycle.
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Visual cortical LFP in relation to the hippocampal theta rhythm in track running rats
Frontiers in Cellular Neuroscience, 2023 Theta oscillations in the primary visual cortex (VC) have been observed during running tasks, but the mechanism behind their generation is not well understood.
Jack P. Kennedy +11 more
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eLife, 2019 Complex memory of personal events is thought to depend on coordinated reinstatement of cortical representations by the medial temporal lobes (MTL).
Melissa Hebscher +2 more
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Frontiers in Neuroscience, 2022 Previous studies have demonstrated that open-loop transcranial ultrasound stimulation (TUS) can modulate theta and gamma rhythms of the local field potentials (LFPs) in the mouse hippocampus; however, the manner in which closed-loop TUS with different ...
Zhenyu Xie +7 more
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Journal of Neurophysiology, 2013 Hippocampal theta and gamma oscillations coordinate the timing of multiple inputs to hippocampal neurons and have been linked to information processing and the dynamics of encoding and retrieval. One major influence on hippocampal rhythmicity is from cholinergic afferents.
Tara K, Jacobson +5 more
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PLoS ONE, 2011 BackgroundThe mammalian brain expresses a wide range of state-dependent network oscillations which vary in frequency and spatial extension. Such rhythms can entrain multiple neurons into coherent patterns of activity, consistent with a role in behaviour,
Claudia Scheffzük +5 more
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