Neuroscience
For the first time, researchers record long-term electrical activity in a single brain cell
When a person experiences a happy or sad mood, which brain cells are active?
Feb 22, 2023
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553
News tagged with action potentials
Cardiology
Study reveals how low oxygen levels in the heart predispose people to cardiac arrhythmias
Low oxygen levels in the heart have long been known to produce life-threatening arrhythmias, even sudden death. Until now, it was not clear how.
Feb 18, 2020
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299
Neuroscience
Why the brain is more reluctant to function as we age
New findings, led by neuroscientists at the University of Bristol and published this week in the journal Neurobiology of Aging, reveal a novel mechanism through which the brain may become more reluctant to function as we ...
Feb 1, 2012
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Neuroscience
Primates and non-primates differ in the architecture of their neurons
Researchers from the research group Developmental Neurobiology at Ruhr-Universität Bochum around Professor Petra Wahle, in collaboration with partners from Mannheim and Jülich, Germany, and Linz, Austria, and La Laguna, ...
Jun 3, 2022
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318
Cardiology
New algorithm for personalized models of human cardiac electrophysiology
Researchers from the Moscow Institute of Physics and Technology, Kazan Federal University, and George Washington University have proposed an algorithm for producing patient-specific mathematical models describing the electrical ...
Jul 2, 2020
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89
Neuroscience
The brain is alive, will new MRI diffusion techniques let us see it move and shake?
(Medical Xpress)—Pioneering experiments back in 1982 by Tasaki and Iwasa at the NIH revealed that action potentials in neurons are more than just the electrical blips that physiologists readily amplify and record. These ...
Neuroscience
Tone of voice matters in neuronal communication
The dialogue between neurons is of critical importance for all nervous system activities, from breathing to sensing, thinking to running. Yet neuronal communication is so fast, and at such a small scale, that it is exceedingly ...
Sep 28, 2020
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581
Medical research
Scientists unveil how general anesthesia works
Hailed as one of the most important medical advances, the discovery of general anesthetics—compounds that induce unconsciousness, prevent control of movement and block pain—helped transform dangerous and traumatic operations ...
Apr 27, 2020
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28
Neuroscience
Protecting the brain when energy runs low
Researchers from the Universities of Leeds, Edinburgh and Dundee have shed new light on the way that the brain protects itself from harm when 'running on empty.'
Oct 17, 2011
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Neuroscience
Brain mapping study suggests motor regions for the hand also connect to the entire body
Mapping different parts of the brain and determining how they correspond to thoughts, actions, and other neural functions is a central area of inquiry in neuroscience, but while previous studies using fMRI scans and EEG have ...
Mar 26, 2020
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