Multifaceted roles for low-frequency oscillations in bottom-up and top-down processing during navigation and memory

AD Ekstrom, AJ Watrous - Neuroimage, 2014 - Elsevier
A prominent and replicated finding is the correlation between running speed and increases
in low-frequency oscillatory activity in the hippocampal local field potential. A more recent …

Running speed alters the frequency of hippocampal gamma oscillations

OJ Ahmed, MR Mehta - Journal of Neuroscience, 2012 - Soc Neuroscience
Successful spatial navigation is thought to employ a combination of at least two strategies:
the following of landmark cues and path integration. Path integration requires that the brain …

A comparative study of human and rat hippocampal low‐frequency oscillations during spatial navigation

AJ Watrous, DJ Lee, A Izadi, GG Gurkoff… - …, 2013 - Wiley Online Library
Rhythmic oscillations within the 3–12 Hz theta frequency band manifest in the rodent
hippocampus during a variety of behaviors and are particularly well characterized during …

Behavioral correlates of human hippocampal delta and theta oscillations during navigation

AJ Watrous, I Fried, AD Ekstrom - Journal of …, 2011 - journals.physiology.org
Previous rodent studies demonstrate movement-related increases in theta oscillations, and
recent evidence suggests that multiple navigationally relevant variables are reflected in this …

Dissociation of frontal‐midline delta‐theta and posterior alpha oscillations: A mobile EEG study

M Liang, MJ Starrett, AD Ekstrom - Psychophysiology, 2018 - Wiley Online Library
Numerous reports have demonstrated low‐frequency oscillations during navigation using
invasive recordings in the hippocampus of both rats and human patients. Given evidence, in …

Low-frequency theta oscillations in the human hippocampus during real-world and virtual navigation

VD Bohbot, MS Copara, J Gotman… - Nature communications, 2017 - nature.com
Abstract Low-Frequency Oscillations (LFO) in the range of 7–9 Hz, or theta rhythm, has been
recorded in rodents ambulating in the real world. However, intra-hippocampus EEG …

[HTML][HTML] Oscillations go the distance: low-frequency human hippocampal oscillations code spatial distance in the absence of sensory cues during teleportation

LK Vass, MS Copara, M Seyal, K Shahlaie, ST Farias… - Neuron, 2016 - cell.com
Low-frequency (delta/theta band) hippocampal neural oscillations play prominent roles in
computational models of spatial navigation, but their exact function remains unknown. Some …

Phase-tuned neuronal firing encodes human contextual representations for navigational goals

AJ Watrous, J Miller, SE Qasim, I Fried, J Jacobs - Elife, 2018 - elifesciences.org
We previously demonstrated that the phase of oscillations modulates neural activity
representing categorical information using human intracranial recordings and high …

A framework for local cortical oscillation patterns

TH Donner, M Siegel - Trends in cognitive sciences, 2011 - cell.com
Oscillations are a pervasive feature of neuronal activity in the cerebral cortex. Here, we
propose a framework for understanding local cortical oscillation patterns in cognition: two …

How brain oscillations form memories—a processing based perspective on oscillatory subsequent memory effects

S Hanslmayr, T Staudigl - Neuroimage, 2014 - Elsevier
Brain oscillations are increasingly recognized by memory researchers as a useful tool to
unravel the neural mechanisms underlying the formation of a memory trace. However, the …