Our brains are made of billions of neurons, which are connected forming complex networks. They communicate between themselves by sending electrical signals, known as action potentials, and chemical signals, known as neurotransmitters, ...
Apr 6, 2023
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Circulation and cellular activity were restored in a pig's brain four hours after its death, a finding that challenges long-held assumptions about the timing and irreversible nature of the cessation of some brain functions ...
Apr 17, 2019
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A new study of brain rhythms in bats and rats challenges a widely used model - based on studies in rodents - of how animals navigate their environment. To get a clearer picture of the processes at work in the mammal brain ...
Apr 18, 2013
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In the quest to understand how the brain turns sensory input into behavior, Harvard scientists have crossed a major threshold. Using precisely-targeted lasers, researchers have been able to take over an animal's brain, instruct ...
Sep 24, 2012
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(Medical Xpress)—Researchers have taken a key step towards recovering specific brain functions in sufferers of brain disease and injuries by successfully restoring the decision-making processes in monkeys.
Sep 13, 2012
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A new study identifies alterations in the transcriptomic signatures in human olfactory mucosal cells of individuals with Alzheimer's disease following SARS-CoV-2 infection, potentially contributing to exacerbated COVID-19 ...
Dec 15, 2023
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As differently as cancers or autoimmune diseases (such as multiple sclerosis, rheumatoid arthritis or psoriasis) affect people, they all have one characteristic in common: they are accompanied by increased cell proliferation. ...
Nov 14, 2022
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Within minutes of the final heartbeat, a cascade of biochemical events triggered by a lack of blood flow, oxygen, and nutrients begins to destroy a body's cells and organs. But a team of Yale scientists has found that massive ...
Aug 3, 2022
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Northwestern Medicine investigators recently discovered that the mitochondrial respiratory chain—a series of protein complexes essential for a cellular respiration and energy production—is necessary for the activation ...
May 13, 2022
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Researchers at North Carolina State University have demonstrated that neuron-like cells derived from human stem cells can serve as a model for studying changes in the nervous system associated with addiction. The work sheds ...
May 4, 2022
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