Neurons

How The Brain Paralyzes You While You Sleep

Researchers have discovered a group of neurons in the mouse brainstem that suppress unwanted movement during rapid eye movement sleep.
Related topics: Medical Research

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Gridtape: An Automated Electron Microscopy Platform

How are networks of neurons connected to make functional circuits? This has been a long standing question in neuroscience. To answer this fundamental question, researchers from Boston Children's Hospital and Harvard Medical School developed a new...
Related topics: Medical Research, Harvard University

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Botulism Breakthrough? Taming Botulinum Toxin To Deliver Therapeutics

Currently there's no treatment for botulism once the toxin gets into neurons. This novel treatment neutralized the toxin with a second, modified botulinum toxin that delivered a mini antibody into the cells - reversing paralysis in mice.
Related topics: Botox, Paralysis

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Neuronal Circuits For Fine Motor Skills

Writing, driving a screw or throwing darts are only some of the activities that demand a high level of skill. How the brain masters such exquisite movements has now been described. A map of brainstem circuits reveals which neurons control the fine...

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Ai-designed Serotonin Sensor May Help Scientists Study Sleep And Mental Health

Serotonin is a neurochemical that plays a critical role in the way the brain controls our thoughts and feelings. For example, many antidepressants are designed to alter serotonin signals sent between neurons. In an article in Cell, National...
Related topics: Medical Research, Depression, Antidepressants

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Scientists Pioneer New Method Of Measuring Electricity In Cells

Electricity is a key ingredient in living bodies. We know that voltage differences are important in biological systems; they drive the beating of the heart and allow neurons to communicate with one another. But for decades, it wasn't possible to...

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Tracing The Many Paths Of Vision

New study decodes the molecular diversity of neurons in the zebrafish retina.

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Study Sheds New Light On How The Brain Distinguishes Speech From Noise

For the first time, researchers have provided physiological evidence that a pervasive neuromodulation system - a group of neurons that regulate the functioning of more specialized neurons - strongly influences sound processing in an important...
Related topics: Medical Research

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How To Protect Neurons And Encourage Their Growth

Many neurodegenerative conditions, from glaucoma to Alzheimer’s disease, are characterized by injury to axons — the long, slender projections that conduct electrical impulses from one nerve cell to another, facilitating cellular communications....
Related topics: Ophthalmology, Glaucoma, Alzheimer's Disease

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Driving Force Behind Cellular 'protein Factories' Identified

Researchers have identified the driving force behind a cellular process linked to neurodegenerative disorders such as Parkinson's and motor neuron disease.
Related topics: Proteins, Medical Research, Parkinson's

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Researchers Identify Neurons That Control Nausea-like Responses In Mice

Researchers have identified neurons that regulate nausea-like responses in mice. When these neurons are experimentally turned on, nausea-like responses can be activated regardless of exposure to nausea-triggering substances. Without these neurons,...
Related topics: Medical Research

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Sensing Sickness

Researchers have identified neurons that regulate nausea-like responses in mice. When these neurons are experimentally turned on, nausea-like responses can be activated regardless of exposure to nausea-triggering substances. Without these neurons,...
Related topics: Medical Research

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Some Neurons Target Tiny Cerebral Blood Vessel Dilation

Neurons control blood flow in tiny vessels in the brain, but researchers know little about this relationship. Now a team of Penn State engineers has found a connection between nitric oxide expressing neurons and changes in arterial diameters in...
Related topics: Medical Research, Nitric Oxide

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Researchers Discover Clue To How To Protect Neurons And Encourage Their Growth

Many neurodegenerative conditions, from glaucoma to Alzheimer’s disease, are characterized by injury to axons — the long, slender projections that conduct electrical impulses from one nerve cell to another, facilitating cellular communications....
Related topics: Medical Research, Ophthalmology, Glaucoma, Alzheimer's Disease

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How Neurons Form Long-term Memories

Neuroscientists have identified genes that memory neurons use to rewire connections after new experiences. The findings shed light on the biology of long-term memory, with implications for future approaches to intervene when memory deficits occur...
Related topics: Genetics

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Predicting Epilepsy From Neural Network Models

A new study shows how 'tipping points' in the brain, responsible for diseases including epilepsy, can be better predicted by accounting for branches in networks of neurons.
Related topics: Epilepsy, Medical Research

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Split Wave: Component For Neuromorphic Computer

Neural networks are some of the most important tools in AI. So far, they run on traditional processors in the form of adaptive software, but experts are working on an alternative concept, the 'neuromorphic computer'. In this case, neurons are not...

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Researchers Find 'missing Link' Between Stress And Infertility

New research has confirmed in laboratory testing that a population of nerve cells near the base of the brain - the RFRP neurons - become active in stressful situations and then suppress the reproductive system.
Related topics: Medical Research, Stress, Infertility, Fertility

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Two Very Different Approaches To Restoring Vision

Enlarge / Two eyes and their optic nerves, seen on a radial section scan. (credit: BSIP/Getty Images) Our visual system is complex, with photoreceptors that pick up incoming light and at least three types of neurons between those and the brain....

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New Treatment For Parkinson’s May Be Found In A Brain Protein Called Gdf5

Parkinson’s disease, a brain disorder that affects over 10 million people worldwide, is caused by the gradual loss of dopamine neurons. The loss of these neurons leads to involuntary tremors, stiffness, and balance problems. While there are drugs...
Related topics: Parkinson's, Proteins

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