An experiment in mice has shown that a protein in the nervous system can have a rejuvenating effect on older animals, a finding which may help with future research into how to treat the neurological disease.
Category: neuroscience – Page 639
We’re About To Unlock the Secrets of the Brain
True stories of indefatigable researchers, heroic engineers, and champions of, neuroscience who are finally turning the corner in the effort to understand, heal, and improve the human brain.
Al has a hard time walking up the stairs to his home’s second floor these days, so he lives on the first. In a lounge chair, surrounded by pictures of his family and the homes he built, he slowly, carefully crosses one knee at the ankle like he’s in a business meeting. His legs are thin and pale and papery. His face, too, has taken on a gauntness since the photo of his daughter’s wedding, mounted on the wall right in front of him, was taken back in 2009. Al lunges forward as if he might stand. But then, when he tries to say hello, all that comes out is a guttural moan. When Al, who is sixty-eight, was diagnosed with progressive supranuclear palsy (PSP) in 2012, he was not guaranteed even this. The disease, caused by degeneration of cells in areas of the brain associated with movement, balance, and thinking, often results in death in about seven years. It has no known cause and no cure.
DARPA, IBM Neurosynaptic Chip and Programming Language Mimic the Brain
Engineering is often inspired by nature—the hooks in velcro or dermal denticles in sharkskin swimsuits. Then there’s DARPA’s SyNAPSE, a collaboration of researchers at IBM, XX, and XX universities. Not content with current computer architecture, SyNAPSE takes its cues from the human brain.
Rise of Cyborgs, Exoskeleton Super Human Strength, Transhumanism, Neuralink, Live forever
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Death-Bringing ‘Brain Tsunamis’ Have Been Observed in Humans
Back in 2018, researchers were able to study the moment brain death becomes irreversible in the human body for the first time, observing the phenomenon in several Do Not Resuscitate patients as they died in hospital.
For years, scientists have researched what happens to your brain when you die, but despite everything we’ve found out, progress has been stymied by an inability to easily monitor human death – since physicians are conventionally obliged to prevent death if they can, not monitor it as it takes hold.
What this means is most of our understanding of the processes involved in brain death come from animal experiments, strengthened with what we can glean from the accounts of resuscitated patients disclosing their near-death experiences.
First-ever recording of dying human brain reveals dreaming-like activity
𝐍𝐞𝐰 𝐀𝐭𝐥𝐚𝐬:
The Neuro-Network.
𝐅𝐢𝐫𝐬𝐭-𝐞𝐯𝐞𝐫 𝐫𝐞𝐜𝐨𝐫𝐝𝐢𝐧𝐠 𝐨𝐟 𝐝𝐲𝐢𝐧𝐠 𝐡𝐮𝐦𝐚𝐧 𝐛𝐫𝐚𝐢𝐧 𝐫𝐞𝐯𝐞𝐚𝐥𝐬 𝐝𝐫𝐞𝐚𝐦𝐢𝐧𝐠-𝐥𝐢𝐤𝐞 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐲
“𝙈𝙮 𝙬𝙝𝙤𝙡𝙚 𝙡𝙞𝙛𝙚 𝙛𝙡𝙖𝙨𝙝𝙚𝙙 𝙗𝙚𝙛𝙤𝙧𝙚 𝙢𝙮 𝙚𝙮𝙚𝙨” 𝙞𝙨 𝙖 𝙥𝙝𝙧𝙖𝙨𝙚 𝙬𝙚 𝙤𝙛𝙩𝙚𝙣 𝙝𝙚𝙖𝙧 𝙧𝙚𝙜𝙖𝙧𝙙𝙞𝙣𝙜 𝙣𝙚𝙖𝙧-𝙙𝙚𝙖𝙩𝙝 𝙚… See more.
“My whole life flashed before my eyes” is a phrase we often hear regarding near-death experiences – and there just might be some truth to it. Scientists have recorded the activity of a dying human brain for the first time ever, revealing brain wave patterns related to processes like dreaming and memory recall.
Exercise Increases Dopamine Release in Mice
Summary: Mouse study reveals exercise increases dopamine signaling in motor areas of the brain. The findings may explain why exercise eases symptoms of Parkinson’s disease.
Source: SfN
Exercise increases dopamine signaling in the motor areas of mice, according to research recently published in Journal of Neuroscience.
Swapped Out: Hackers target social media users with high-tech fake videos
Cutting-edge computer technology designed to mimic the human brain is being used by hackers to create lifelike videos of celebrities and politicians. But now, bad actors are using this readily available tech to target everyday social media users in cryptocurrency scams.
Olaf Sporns: Connectivity and Fine-Scale Dynamics of Human Brain Networks
Networks (connectivity) and dynamics are two key pillars of network neuroscience – an emerging field dedicated to understanding structure and function of neural systems across scales, from neurons to circuits to the whole brain. In this presentation I will review current themes and future directions, including structure/function relationships, use of computational models to map information flow and communication dynamics, and a novel edge-centric approach to map functional connectivity at fine temporal scales. I will argue that network neuroscience represents a promising theoretical framework for understanding the complex structure and functioning of nervous systems.
This video is part of the SNAC seminar series organized by Mac Shine, Joe Lizier, and Ben Fulcher (The University of Sydney).
Dead eyes brought back to life
“This new study joins a growing body of scientific evidence that raises questions about the irreversible nature of death…”
Scientists have revived light-sensing neuron cells in organ donor eyes and restored communication between them as part of a series of discoveries that could transform research into the brain-vision system.