Results 71 to 80 of about 181,113 (262)

Astrocyte-Enabled Advancements in Spiking Neural Networks for Large Language Modeling [PDF]

open access: yesarXiv, 2023
Within the complex neuroarchitecture of the brain, astrocytes play crucial roles in development, structure, and metabolism. These cells regulate neural activity through tripartite synapses, directly impacting cognitive processes such as learning and memory. Despite the growing recognition of astrocytes' significance, traditional Spiking Neural Network (
arxiv  

Graphene oxide upregulates the homeostatic functions of primary astrocytes and modulates astrocyte-to-neuron communication [PDF]

open access: yesNano Lett. 2018, 18, 9, 5827-5838, 2018
Graphene-based materials are the focus of intense research efforts to devise novel theranostic strategies for targeting the central nervous system. In this work, we have investigated the consequences of long-term exposure of primary rat astrocytes to pristine graphene (GR) and graphene oxide (GO) flakes.
arxiv   +1 more source

Astrocyte morphology

open access: yesTrends in Cell Biology
Astrocytes are predominant glial cells that tile the central nervous system (CNS). A cardinal feature of astrocytes is their complex and visually enchanting morphology, referred to as bushy, spongy, and star-like. A central precept of this review is that such complex morphological shapes evolved to allow astrocytes to contact and signal with diverse ...
Baldwin, Katherine T   +2 more
openaire   +4 more sources

Activity-dependent switch of GABAergic inhibition into glutamatergic excitation in astrocyte-neuron networks

open access: yeseLife, 2016
Interneurons are critical for proper neural network function and can activate Ca2+ signaling in astrocytes. However, the impact of the interneuron-astrocyte signaling into neuronal network operation remains unknown.
Gertrudis Perea   +18 more
doaj   +1 more source

Introducing Astrocytes on a Neuromorphic Processor: Synchronization, Local Plasticity and Edge of Chaos [PDF]

open access: yesACM Proceeding NICE '19 Proceedings of the 7th Annual Neuro-inspired Computational Elements Workshop, 2019, 2019
While there is still a lot to learn about astrocytes and their neuromodulatory role in the spatial and temporal integration of neuronal activity, their introduction to neuromorphic hardware is timely, facilitating their computational exploration in basic science questions as well as their exploitation in real-world applications.
arxiv   +1 more source

Brain edema : a valid endpoint for measuring hepatic encephalopathy? [PDF]

open access: yes, 2016
Hepatic encephalopathy (HE) is a major complication of liver failure/disease which frequently develops during the progression of end-stage liver disease.
Bémeur, Chantal   +5 more
core   +1 more source

Mitochondrial dynamics in astrocytes [PDF]

open access: yesBiochemical Society Transactions, 2014
Astrocytes exhibit cellular excitability through variations in their intracellular calcium (Ca2+) levels in response to synaptic activity. Astrocyte Ca2+ elevations can trigger the release of neuroactive substances that can modulate synaptic transmission and plasticity, hence promoting bidirectional communication with neurons.
Stephen, TL   +2 more
openaire   +4 more sources

Extracellular regulated kinase 1/2 signaling is a critical regulator of interleukin-1β-mediated astrocyte tissue inhibitor of metalloproteinase-1 expression.

open access: yesPLoS ONE, 2013
Astrocytes are essential for proper central nervous system (CNS) function and are intricately involved in neuroinflammation. Despite evidence that immune-activated astrocytes contribute to many CNS pathologies, little is known about the inflammatory ...
Jerel Fields   +3 more
doaj   +1 more source

A primary neural cell culture model to study neuron, astrocyte, and microglia interactions in neuroinflammation. [PDF]

open access: yes, 2020
BackgroundInteractions between neurons, astrocytes, and microglia critically influence neuroinflammatory responses to insult in the central nervous system.
Goshi, Noah   +3 more
core  

Astroglial-axonal interactions during early stages of myelination in mixed cultures using in vitro and ex vivo imaging techniques [PDF]

open access: yes, 2014
<b>Background</b><p></p> Myelination is a very complex process that requires the cross talk between various neural cell types.
Anderson, Kurt I   +4 more
core   +2 more sources

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