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Another issue was linking the dynamical state of the cortex to interactions between sensory and behavioral context during information processing. "The main difficulty here was to synthesize the large quantity of high-quality data on cortical oscillations in the intact – and mostly alert – mammalian ...
Gamma oscillations are a robust component of sensory responses but are also part of the background spontaneous activity of the brain. To determine whether the properties of gamma oscillations in cortex are specific to their mechanism of generation, we compared in mouse visual cortex in vivo the la...
The perception of a sensory stimulus is modulated by the behavioral state in which it is experienced – successful detection of a stimulus can be increased during periods of arousal or attention1,2. The neural representation of the same sensory stimulus is also modulated by behavioral state3,4,5...
The responses of sensory neurons can be quite different to repeated presentations of the same stimulus. Here, we demonstrate a direct link between the trial-to-trial variability of cortical neuron responses and network activity that is reflected in local field potentials (LFPs). Spikes and LFPs we...
Neuronal oscillations are commonly analyzed with power spectral methods that quantify signal amplitude, but not rhythmicity or ‘oscillatoriness’ per se. Here we introduce a new approach, the phase-autocorrelation function (pACF), for the direct quantif
Neuronal oscillations are commonly analyzed with power spectral methods that quantify signal amplitude, but not rhythmicity or ‘oscillatoriness’ per se. Here we introduce a new approach, the phase-autocorrelation function (pACF), for the direct quantif
spatial patterns of CC and SC eigenmodes. Importantly, CC eigenmodes could be the fundamental building blocks for reconstructing cortical activity patterns with different frequency oscillations, facilitating the establishment of relationships between temporal fluctuations and underlying anatomy in the marmoset ...
Cortical state, defined by population-level neuronal activity patterns, determines sensory perception. While arousal-associated neuromodulators—including norepinephrine (NE)—reduce cortical synchrony, how the cortex resynchronizes remains unknown. Furt
Long-range phase synchronization of high-frequency oscillations in human cortex ArticleOpen access23 October 2020 Introduction Signals, in the form of electrical impulses, are perpetually generated, propagated, and integrated via multiple types of neurons and neuronal populations1,2. The wiring of the ...