Neurons

Graphene 'camera' Captures Real-time Electrical Activity Of Beating Heart

Scientists today track electrical signals and voltage changes in neurons and muscle cells by labeling individual cells or probing with electrodes. Scientists have now developed a new type of sensor that employs a sheet of graphene to get a...
Related topics: Graphene

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What Makes Us Sneeze?

What exactly triggers a sneeze? A team has identified, in mice, specific cells and proteins that control the sneeze reflex. Better understanding of what causes us to sneeze -- specifically how neurons behave in response to allergens and viruses --...
Related topics: Proteins, Allergies, Allergens, Virus, Virology

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Is ‘brain Drift’ The Key To Machine Consciousness?

Think about someone you love and the neurons in your brain will light up like a Christmas tree. But if you think about them again, will the same lights go off? Chances are: the answer’s no. And that could have big implications for the future of...
Related topics: Christmas

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How Cells Measure Themselves

Ever since scientists discovered cells under the microscope more than 350 years ago, they have noted that each type of cell has a characteristic size. From tiny bacteria to inches-long neurons, size matters for how cells work. The question of how...
Related topics: Medical Research, Microscopes, Bacteria

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Increasing The Memory Capacity Of Intelligent Systems Based On The Function Of Human Neurons

Researchers have recently developed a new artificial neuron inspired by the different modes of operation of human neurons. This process has enabled recurrent networks to learn temporal relationships of more than a thousand discrete time units where...

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Motor Neurons Derived From Patients Point To New Possible Drug Target For Als

Researchers now report a high-throughput target and drug discovery platform using motor neurons made from ALS patients. Using the platform, they confirmed two known targets and identified an existing class of drugs -- agonists to the dopamine D2...
Related topics: Amyotrophic Lateral Sclerosis, Medical Research

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How Hiv Infection Shrinks The Brain’s White Matter

It’s long been known that people living with HIV experience a loss of white matter in their brains. As opposed to gray matter, which is composed of the cell bodies of neurons, white matter is made up of a fatty substance called myelin that coats...
Related topics: HIV, Virus

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Nano-encapsulation For Efficient Delivery In Parkinson's Treatment

Parkinson's disease (PD) is a common neurodegenerative disorder caused by the death of dopaminergic neurons in a part of the brain (known as substantia nigra pars compacta), which leads to a deficit of dopamine (DA), one of the main...
Related topics: Parkinson's

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Same Difference: Two Halves Of The Hippocampus Have Different Gene Activity

DALLAS - May 28, 2021 - A study of gene activity in the brain's hippocampus, led by UT Southwestern researchers, has identified marked differences between the region's anterior and posterior portions. The findings, published today in Neuron, could...
Related topics: Genetics, Medical Research

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Study Of Bat Navigation In Extra-large Spaces Reveals An Unknown Neuronal Code

The brain is often likened to a computer, its hardware consisting of neurons organized in complex circuits; its software a plethora of codes that govern the neurons' behavior. But sometimes, the brain performs exceptionally well even when its...

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Artificial Neurons Recognize Biosignals In Real Time

Researchers have developed a compact, energy-efficient device made from artificial neurons that is capable of decoding brainwaves. The chip uses data recorded from the brainwaves of epilepsy patients to identify which regions of the brain cause...
Related topics: Medical Research, Epilepsy

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Electric Fish -- And Humans -- Pause Before Communicating Key Points

Electric fish pause before sharing something particularly meaningful. Pauses also prime the sensory systems to receive new and important information. The study reveals an underlying mechanism for how pauses allow neurons in the midbrain to recover...

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Brain Tumors Caused By Normal Neuron Activity In Mice Predisposed To Such Tumors

Researchers have found that normal exposure to light can drive the formation and growth of optic nerve tumors in mice -- and maybe people -- with a genetic predisposition. Such tumors can lead to vision loss.
Related topics: Brain Tumors, Cancer, Medical Research, Genetics

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Ai Spots Neurons Better Than Human Experts

A combination of optical coherence tomography (OCT), adaptive optics and deep neural networks can easily and precisely track changes in the number and shape of retinal ganglion cells in the eye. This new AI-driven method can enable better diagnosis...

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Machine Learning Platform Identifies Activated Neurons In Real-time

Biomedical engineers have developed an automatic process that uses streamlined artificial intelligence (AI) to identify active neurons in videos faster and more accurately than current techniques. The technology should allow researchers to watch an...
Related topics: Tech Videos

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Full-genome Crispr Screen Reveals Surprising Ways Neurons Survive Oxidative Stress

When a single gene in a cell is turned on or off, its resulting presence or absence can affect the function and survival of the cell. Researchers have now successfully catalogued this effect in the human neuron by separately toggling each of the...
Related topics: Genetics, Stress, Medical Research

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New Research Could Lead To Better Treatment For Epilepsy

Scientists have discovered that the way in which neurons are connected within regions of the brain, can be a better indicator of disease progression and treatment outcomes for people with brain disorders such as epilepsy.
Related topics: Medical Research, Epilepsy

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Researchers Force Two Mice To Hang Out And Induce Fomo In A Third

Enlarge (credit: David Aubrey) Since its advent in 2005, a technique called optogenetics has made it vastly easier to link neural activity with behavior and to understand how neurons and brain regions are connected to each other. Neuroscientists...
Related topics: Medical Research, Optogenetics

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Songbird Neurons For Advanced Cognition Mirror The Physiology Of Mammalian Counterparts

Neuroscientists examining genetically identified neurons in a songbird's forebrain discovered a remarkable landscape of physiology, auditory coding and network roles that mirrored those in the brains of mammals.
Related topics: Genetics, Scientific Discoveries

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Songbird Neurons For Advanced Cognition Mirror The Physiology Of Mammalian Counterparts

University of Massachusetts Amherst neuroscientists examining genetically identified neurons in a songbird's forebrain discovered a remarkable landscape of physiology, auditory coding and network roles that mirrored those in the brains of mammals.
Related topics: Genetics, Scientific Discoveries

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