Search Results - "Rollings, David"
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Directional coupling of slow and fast hippocampal gamma with neocortical alpha/beta oscillations in human episodic memory
Published in Proceedings of the National Academy of Sciences - PNAS (22-10-2019)“…Episodic memories hinge upon our ability to process a wide range of multisensory information and bind this information into a coherent, memorable…”
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Journal Article -
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The hippocampus as the switchboard between perception and memory
Published in Proceedings of the National Academy of Sciences - PNAS (14-12-2021)“…Adaptive memory recall requires a rapid and flexible switch from external perceptual reminders to internal mnemonic representations. However, owing to the…”
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Journal Article -
3
Theta rhythmicity governs human behavior and hippocampal signals during memory-dependent tasks
Published in Nature communications (02-12-2021)“…Memory formation and reinstatement are thought to lock to the hippocampal theta rhythm, predicting that encoding and retrieval processes appear rhythmic…”
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Journal Article -
4
Influence of epoch length on measurement of dynamic functional connectivity in wakefulness and behavioural validation in sleep
Published in NeuroImage (Orlando, Fla.) (15-05-2015)“…Conventional functional connectivity (FC) analysis of fMRI data derives a single measurement from the entire scan, generally several minutes in duration, which…”
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Journal Article -
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Oscillations support short latency co-firing of neurons during human episodic memory formation
Published in eLife (30-11-2022)“…Theta and gamma oscillations in the medial temporal lobe are suggested to play a critical role for human memory formation via establishing synchrony in neural…”
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Journal Article -
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Altered thalamocortical and intra-thalamic functional connectivity during light sleep compared with wake
Published in NeuroImage (Orlando, Fla.) (15-01-2016)“…The transition from wakefulness into sleep is accompanied by modified activity in the brain's thalamocortical network. Sleep-related decreases in…”
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Journal Article -
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Multimodal neuroimaging investigations of alterations to consciousness: The relationship between absence epilepsy and sleep
Published in Epilepsy & behavior (01-01-2014)“…Abstract The link between epilepsy and sleep is well established on many levels. The focus of the current review is on recent neuroimaging investigations into…”
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Journal Article -
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Hippocampal neurons code individual episodic memories in humans
Published in Nature human behaviour (01-11-2023)“…The hippocampus is an essential hub for episodic memory processing. However, how human hippocampal single neurons code multi-element associations remains…”
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Journal Article -
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Early haemodynamic changes observed in patients with epilepsy, in a visual experiment and in simulations
Published in Clinical neurophysiology (01-01-2016)“…Highlights • Shifting event times leads to temporal bleeding of activation. • Pre-spike analysis may improve concordance between the EEG and fMRI. • Pre-spike…”
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Journal Article -
10
Sleep onset uncovers thalamic abnormalities in patients with idiopathic generalised epilepsy
Published in NeuroImage clinical (01-01-2017)“…The thalamus is crucial for sleep regulation and the pathophysiology of idiopathic generalised epilepsy (IGE), and may serve as the underlying basis for the…”
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Journal Article -
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Objective and subjective measures of prior sleep–wake behavior predict functional connectivity in the default mode network during NREM sleep
Published in Brain and behavior (01-01-2019)“…Introduction Prior sleep behavior has been shown to correlate with waking resting‐state functional connectivity (FC) in the default mode network (DMN)…”
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Journal Article -
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Data-driven re-referencing of intracranial EEG based on independent component analysis (ICA)
Published in Journal of neuroscience methods (01-09-2018)“…•Independent Component Analysis (ICA) can be used to re-reference stereotactic EEG.•In simulations, ICA outperforms bipolar reference in sensitivity and…”
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Journal Article -
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EEG-fMRI in epilepsy and sleep
Published 01-01-2017“…This thesis used simultaneous electroencephalogram (EEG) and functional magnetic resonance imaging (fMRI) to investigate both epilepsy and sleep. Initially,…”
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Dissertation -
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Eeg-fmri in epilepsy and sleep
Published 01-01-2017“…This thesis used simultaneous electroencephalogram (EEG) and functional magnetic resonance imaging (fMRI) to investigate both epilepsy and sleep. Initially,…”
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Dissertation -
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Microstructural analysis for the 1990s
Published in Materials world (01-09-1993)“…Personal computers, together with improvements in image capture, processing and storage, have transformed the task of microstructural analysis. (Original…”
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Magazine Article