Results 31 to 40 of about 122,548 (234)

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

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

Assessing the Impact of Ih Conductance on Cross-Frequency Coupling in Model Pyramidal Neurons. [PDF]

open access: yesFront Comput Neurosci, 2020
Large cortical and hippocampal pyramidal neurons are elements of neuronal circuitry that have been implicated in cross-frequency coupling (CFC) during cognitive tasks. We investigate potential mechanisms for CFC within these neurons by examining the role
Felton MA   +4 more
europepmc   +2 more sources

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

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

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

open access: yesFEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

open access: yesFEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto   +3 more
wiley   +1 more source

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