AIMC Topic: gamma-Aminobutyric Acid

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Stabilizing sequence learning in stochastic spiking networks with GABA-Modulated STDP.

Neural networks : the official journal of the International Neural Network Society Dec 7, 2024
Cortical networks are capable of unsupervised learning and spontaneous replay of complex temporal sequences. Endowing artificial spiking neural networks with similar learning abilities remains a challenge. In particular, it is unresolved how differen...
Humans Neural Networks, Computer Learning Neurons gamma-Aminobutyric Acid Stochastic Processes Neuronal Plasticity Models, Neurological Action Potentials
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Frequency and phase correction of GABA-edited magnetic resonance spectroscopy using complex-valued convolutional neural networks.

Magnetic resonance imaging May 12, 2024
PURPOSE: To determine the significance of complex-valued inputs and complex-valued convolutions compared to real-valued inputs and real-valued convolutions in convolutional neural networks (CNNs) for frequency and phase correction (FPC) of GABA-edite...
Humans Algorithms Neural Networks, Computer Brain Signal-To-Noise Ratio Deep Learning Computer Simulation Magnetic Resonance Spectroscopy Choline gamma-Aminobutyric Acid Artifacts
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Results of the 2023 ISBI challenge to reduce GABA-edited MRS acquisition time.

Magma (New York, N.Y.) Apr 13, 2024
PURPOSE: Use a conference challenge format to compare machine learning-based gamma-aminobutyric acid (GABA)-edited magnetic resonance spectroscopy (MRS) reconstruction models using one-quarter of the transients typically acquired during a complete sc...
Humans Brain Computer Simulation Deep Learning Neural Networks, Computer Machine Learning Algorithms gamma-Aminobutyric Acid Image Processing, Computer-Assisted Signal-To-Noise Ratio Magnetic Resonance Spectroscopy
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Magnetic Resonance Spectroscopy Spectral Registration Using Deep Learning.

Journal of magnetic resonance imaging : JMRI Jul 4, 2023
BACKGROUND: Deep learning-based methods have been successfully applied to MRI image registration. However, there is a lack of deep learning-based registration methods for magnetic resonance spectroscopy (MRS) spectral registration (SR).
Magnetic Resonance Spectroscopy gamma-Aminobutyric Acid Retrospective Studies Deep Learning Magnetic Resonance Imaging Humans
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Classification of antiseizure drugs in cultured neuronal networks using multielectrode arrays and unsupervised learning.

Epilepsia May 10, 2022
OBJECTIVE: Antiseizure drugs (ASDs) modulate synaptic and ion channel function to prevent abnormal hypersynchronous or excitatory activity arising in neuronal networks, but the relationship between ASDs with respect to their impact on network activit...
Unsupervised Machine Learning Neurons gamma-Aminobutyric Acid Receptors, GABA Sodium Channel Blockers
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Frequency and phase correction of J-difference edited MR spectra using deep learning.

Magnetic resonance in medicine Nov 18, 2020
PURPOSE: To investigate whether a deep learning-based (DL) approach can be used for frequency-and-phase correction (FPC) of MEGA-edited MRS data.
Deep Learning Magnetic Resonance Spectroscopy gamma-Aminobutyric Acid Neural Networks, Computer Algorithms
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An efficient analytical reduction of detailed nonlinear neuron models.

Nature communications Jan 15, 2020
Detailed conductance-based nonlinear neuron models consisting of thousands of synapses are key for understanding of the computational properties of single neurons and large neuronal networks, and for interpreting experimental results. Simulations of ...
Neural Networks, Computer Synapses Algorithms gamma-Aminobutyric Acid Neurons Dendrites Spatio-Temporal Analysis Pyramidal Cells Calcium Animals N-Methylaspartate Mice Nonlinear Dynamics alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid Models, Neurological
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Reducing variability in motor cortex activity at a resting state by extracellular GABA for reliable perceptual decision-making.

Journal of computational neuroscience Nov 13, 2019
Interaction between sensory and motor cortices is crucial for perceptual decision-making, in which intracortical inhibition might have an important role. We simulated a neural network model consisting of a sensory network (N) and a motor network (N) ...
Motor Cortex Humans Neural Inhibition Pyramidal Cells Neurons Neural Networks, Computer gamma-Aminobutyric Acid Models, Neurological Synaptic Transmission Decision Making
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Intact metabolite spectrum mining by deep learning in proton magnetic resonance spectroscopy of the brain.

Magnetic resonance in medicine Mar 12, 2019
PURPOSE: To develop a robust method for brain metabolite quantification in proton magnetic resonance spectroscopy ( H-MRS) using a convolutional neural network (CNN) that maps in vivo brain spectra that are typically degraded by low SNR, line broaden...
Image Processing, Computer-Assisted Magnetic Resonance Imaging Amino Acids Humans Young Adult Proton Magnetic Resonance Spectroscopy Brain gamma-Aminobutyric Acid Male Protons Brain Chemistry Deep Learning Phantoms, Imaging
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Extracellular GABA assisting in organizing dynamic cell assemblies to shorten reaction time to sensory stimulation.

Biological cybernetics Feb 12, 2019
Until recently, glia, which exceeds the number of neurons, was considered to only have supportive roles in the central nervous system, providing homeostatic controls and metabolic supports. However, recent studies suggest that glia interacts with neu...
Neuroglia Humans Cell Communication Animals Neurons Models, Neurological gamma-Aminobutyric Acid Neural Networks, Computer Reaction Time
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