Latest updates for Neuronal Hyperactivity

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Recent items include:

  • APOE4 Increases Neurons’ Excitability Before Symptoms Appear
  • Aberrant dopaminergic activity during consolidation causes age-related memory generalization in <i>Drosophila</
  • Emergence of multifrequency activity in a laminar neural mass model

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lifespan.io /1 month ago

APOE4 Increases Neurons’ Excitability Before Symptoms Appear

The pro-Alzheimer’s allele APOE4 makes hippocampal neurons in mice smaller and hyperexcitable. This effect, which resembles epilepsy and accelerated aging, can be mitigated by mani...

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journals.plos.org /1 month ago

Aberrant dopaminergic activity during consolidation causes age-related memory generalization in &lt;i&gt;Drosophila&lt;/...

by Motomi Matsuno, Nozomi Uemura, Tomoyuki Miyashita, Kyogo S. Kobayashi, Agustin Liotta, Mayumi Kimura, Kyoko Ofusa, David Owald, Naoki Matsuo, Minoru Saitoe, Junjiro Horiuchi Ov...

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journals.plos.org /1 month ago

Emergence of multifrequency activity in a laminar neural mass model

by Raul de Palma Aristides, Pau Clusella, Roser Sanchez-Todo, Giulio Ruffini, Jordi Garcia-Ojalvo Neural mass models (NMMs) aim to capture the principles underlying mesoscopic neu...

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journals.plos.org /2 weeks ago

A multi-frequency whole-brain neural mass model with homeostatic feedback inhibition

by Carlos Coronel-Oliveros, Fernando Lehue, Rubén Herzog, Iván Mindlin, Marilyn Gatica, Natalia Kowalczyk-Grębska, Vicente Medel, Josephine Cruzat, Raul Gonzalez-Gomez, Hernán Hern...

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journals.plos.org /1 month ago

Activity-dependent neuromodulation and calcium homeostasis cooperate to produce robust and modulable neuronal function

by Arthur Fyon, Guillaume Drion Neurons rely on two interdependent mechanisms — homeostasis and neuromodulation — to maintain robust and adaptable functionality. Calcium homeostas...

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journals.plos.org /1 month ago

Dynamic cholinergic signaling differentially desynchronizes cortical microcircuits dependent on modulation rate and netw...

by Sibi Pandian, Scott Rich Acetylcholine (ACh) affects both the intrinsic properties of individual neurons and the oscillatory tendencies of cortical microcircuits by modulating...

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journals.plos.org /1 month ago

Bifurcation of neural firing patterns driven by potassium dynamics and neuron–electrode geometry during high-frequency s...

by Yue Yuan, Junyang Zhang, Chen Wang, Hao Yan, Ning Zhang, Kun Zhang, Zheshan Guo, Zhaoxiang Wang High-frequency stimulation (HFS), the basis of deep brain stimulation, elicits d...

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neurosciencenews.com /1 week ago

Schizophrenia Risk Gene Linked to Hyper-Excitable Neurons

How do abstract genetic mutations physically alter human brain wiring? A functional genomics study bridges the gap between schizophrenia genetics and cellular neurobiology.

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bioengineer.org /1 month ago

Greater Glymphatic Activity May Extend REM Disorder Onset

In a groundbreaking study poised to reshape our understanding of neurodegenerative disorders, researchers have identified a compelling link between glymphatic system activity and t...

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neurosciencenews.com /1 month ago

Neurons Lose Their “Adaptability” in Old Age

Researchers are developing a multiscale "neurometabolic" model to track how the brain's energy consumption drives aging and Alzheimer's. The $3.3M project aims to identify metaboli...

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neurosciencenews.com /2 days ago

Neuronal AcCoA Signaling Linked to Autophagy Defects in Alzheimer’s

Neurons and glial cells utilize a specialized metabolic mechanism centered on leucine-derived acetyl-coenzyme A (AcCoA) to regulate the master growth hub, mTORC1.

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scienceblog.com /1 month ago

The Brain Has a Warning System for Its Own Electrical Misfires, and We Can Now Read It

Every second of the day, in roughly half of the 50 million people living with epilepsy, the brain stages tiny rebellions. Not seizures, exactly, but something almost as disruptive:...

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bioengineer.org /1 month ago

Thyrotropin Neurons Boost Energy Across Hypothalamus

In a groundbreaking study set to advance our understanding of metabolic regulation, researchers have uncovered the pivotal role played by thyrotropin-releasing hormone (TRH) neuron...

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bioengineer.org /1 month ago

Cellular Microcircuits Modulate Human Epileptic Discharges

In a groundbreaking new study published in Nature Neuroscience, researchers have unveiled the intricate laminar architecture of cellular microcircuits that regulate human intericta...

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neurosciencenews.com /1 week ago

Astrocyte Sodium Levels Vary to Match Local Synaptic Needs

A new study upends decades of neuroscientific dogma by proving that sodium concentrations vary drastically within individual astrocytes and across their sub-cellular processes.

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journals.plos.org /1 month ago

Developmental and aging changes in brain network switching dynamics revealed by EEG phase synchronization

by Dionysios Perdikis, Rita Sleimen-Malkoun, Viktor Müller, Viktor Jirsa Adaptive behavior depends on the brain’s capacity to vary its activity across multiple spatial and tempora...

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neurosciencenews.com /1 month ago

How Potassium Fluctuations Trigger Brain Receptors

A serendipitous discovery reveals that potassium ions act as ligands for brain receptors, offering new insights into epilepsy and brain homeostasis.

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journals.plos.org /1 month ago

Complexity of resting cortical activity predicts neurophysiological responses to theta-burst stimulation but fails to ge...

by Matthew Herbert Ning, Haoqi Sun, Brice Passera, Duygu Bagci Das, Brandon Westover, Alvaro Pascual-Leone, Emiliano Santarnecchi, Mouhsin M. Shafi, Recep A. Ozdemir Background Sub...

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scienceblog.com /2 weeks ago

A Brain on Fire Rewired: Heat Therapy for Epilepsy Works by Reshaping Entire Neural Networks

The electrodes were already there. Surgeons had threaded them months earlier, fine wires snaking through millimetre holes in the skull to sit inside the brain itself, recording the...

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neurosciencenews.com /1 month ago

Heartbeat Rhythms Unveil Hidden Brain Activity

Chaos-based heartbeat analysis can non-invasively detect mental load where conventional methods fail.

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neurosciencenews.com /2 weeks ago

Brain Immune Cells Drive Compulsive Behavior

Is anxiety an immune response? New research reveals that Hoxb8 microglia, specialized immune cells in the brain, use calcium signaling to switch anxiety and grooming behaviors on a...

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scienceblog.com /1 month ago

The Brain Is Braking Too Hard. A New Drug Target Could Release the Handbrake on Memory

Deep in the hippocampus, a molecular miscommunication is strangling memory. Long before a person with Alzheimer’s disease forgets a name or loses track of a familiar face, their ne...

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journals.plos.org /1 month ago

Evolutionary Kuramoto dynamics unravels origins of chimera states in neural populations

by Thomas Zdyrski, Scott Pauls, Feng Fu Neural synchronization is central to cognition. However, incomplete synchronization often produces chimera states, where coherent and incoh...

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journals.plos.org /2 days ago

Accurate computation of ionic concentrations in the synaptic cleft requires the full Poisson–Nernst–Planck (PNP) equatio...

by Karoline Horgmo Jæger, Aslak Tveito The synaptic cleft between neighboring neurons is the site of neurotransmitter-mediated communication that underlies normal brain function,...

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Sources covering Neuronal Hyperactivity

bioengineer.org

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journals.plos.org

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journals.plos.org

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neurosciencenews.com

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scienceblog.com

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lifespan.io

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