Results 31 to 40 of about 123,617 (236)

Age-dependent cross frequency coupling features from children to adults during general anesthesia

open access: yesNeuroImage, 2021
Background: The frequency coupling characteristics in electroencephalogram (EEG) induced by anesthetics have been well studied in adults, but the investigation of the age-dependent cross frequency coupling features from children to adults is still ...
Zhenhu Liang   +7 more
doaj   +1 more source

Parametric estimation of cross-frequency coupling

open access: yesJournal of Neuroscience Methods, 2015
Growing experimental evidence suggests an important role for cross-frequency coupling in neural processing, in particular for phase-amplitude coupling (PAC). Although the details of methods to detect PAC may vary, a common procedure to estimate the significance level is the comparison of observed values to those of at least 100 surrogate time series ...
van Wijk, BC   +3 more
openaire   +3 more sources

Misidentifications of specific forms of cross-frequency coupling: three warnings

open access: yesFrontiers in Neuroscience, 2015
Cross-frequency coupling between neural oscillations has received increased attention over the last decade, as it is believed to underlie a number of cognitive operations in different brain systems.
Alexandre eHYAFIL, Alexandre eHYAFIL
doaj   +1 more source

Corticothalamic phase synchrony and cross-frequency coupling predict human memory formation

open access: yeseLife, 2014
The anterior thalamic nucleus (ATN) is thought to play an important role in a brain network involving the hippocampus and neocortex, which enables human memories to be formed. However, its small size and location deep within the brain have impeded direct
Catherine M Sweeney-Reed   +10 more
doaj   +1 more source

Position and Cross-Coupling Factors Estimation for Sliding Mode Current Control Based Position-Sensorless Control of IPMSM

open access: yesIEEE Access, 2022
This paper presents a control method with an estimation method of cross-coupling factors of Interior Permanent Magnet Synchronous Motors (IPMSM) inductance for position-sensorless servo drive systems.
Keita Shimamoto, Toshiyuki Murakami
doaj   +1 more source

Synthesis Applied 4th-Order Constant Absolute Bandwidth Frequency-Agile Bandpass Filter With Cross-Coupling

open access: yesIEEE Access, 2018
A novel 4th-order cross-coupled electrical tunable bandpass filter with constant absolute bandwidth and high frequency selectivity is proposed. The electric coupling coefficients and the magnetic coupling coefficients of the cross-coupled resonators and ...
Dengyao Tian   +2 more
doaj   +1 more source

Analysis of an Interneuron Gamma Mechanism for Cross-Frequency Coupling [PDF]

open access: yesMathematical Modelling of Natural Phenomena, 2017
Summary: Signals with multiple oscillatory components may exhibit cross frequency coupling (CFC): a slow component modulating the amplitude and/or frequency of a fast one. CFC is ubiquitous in oscillatory brain signals but how it arises has remained unclear. We recently proposed a systematic approach to simulate CFC, in which all common modulations are
Chehelcheraghi, Mojtaba   +2 more
openaire   +1 more source

Modulation of cross-frequency coupling by novel and repeated stimuli in the primate ventrolateral prefrontal cortex

open access: yesFrontiers in Psychology, 2011
Adaptive behavior depends on an animal’s ability to ignore uninformative stimuli, such as repeated presentations of the same stimulus, and, instead, detect informative, novel stimuli in its environment.
Joji eTsunada   +4 more
doaj   +1 more source

A hybrid control strategy for dynamic compensation of cross‐coupling effect in two‐load IPT system

open access: yesIET Power Electronics, 2023
The cross coupling between receiver coils complicates the control and optimization of “one‐to‐may” multi‐load IPT systems. In this paper, the cross‐coupling effect in a two‐load IPT system is thoroughly discussed.
Lingling Cao   +4 more
doaj   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

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