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#brain

10 posts8 participants2 posts today
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AnnaAnthro

A #Neuralink Rival Just Tested a Brain Implant in a Person

« Austin-based startup #Paradromics today announced that surgeons at Univ of Michigan successfully inserted the company’s brain implant into a patient and safely removed it after about 10 minutes. 

The device is designed to translate neural signals into synthesized speech, text, and cursor control. 

They had been experimenting on sheep. This was first trial on a human »

#brain #neurology

wired.com/story/paradromics-ne

WIRED · A Neuralink Rival Just Tested a Brain Implant in a PersonBy Emily Mullin
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Steve Thompson PhD

Nitrous Oxide Unlocks Blood-Brain Barrier for Safer Gene Delivery

neurosciencenews.com/nitrous-o

Researchers have discovered that nitrous oxide can safely enhance the delivery of gene therapy to the brain by making the blood-brain barrier (BBB) more permeable when paired with focused ultrasound (FUS). This method required significantly lower concentrations of microbubbles and ultrasound pressure than conventional techniques, reducing the risk of tissue damage.

Neuroscience News · Nitrous Oxide Unlocks Blood-Brain Barrier for Safer Gene Delivery - Neuroscience NewsNeuroscience News provides research news for neuroscience, neurology, psychology, AI, brain science, mental health, robotics and cognitive sciences.
#brain#press
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earthling

Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School by John Medina, 2010

Most of us have no idea what's really going on inside our heads. Yet brain scientists have uncovered details every business leader, parent, and teacher should know--such as the brain's need for physical activity to work at its best. How do we learn? What exactly do sleep and stress do to our brains? Why is multi-tasking a myth?

@bookstodon
#books
#nonfiction
#brain

Why is it so easy to forget--and so important to repeat new information? Is it true that men and women have different brains? In Brain Rules, molecular biologist Dr. John Medina shares his lifelong interest in how the brain sciences might influence the way we teach our children and the way we work. In each chapter, he describes a brain rule--what scientists know for sure about how our brains work--and then offers transformative ideas for our daily lives. Medina's fascinating stories and sense of humor breathe life into brain science. You'll learn why Michael Jordan was no good at baseball. You'll peer over a surgeon's shoulder as he finds, to his surprise, that we have a Jennifer Aniston neuron. You'll meet a boy who has an amazing memory for music but can't tie his own shoes. You will discover how: - Every brain is wired differently - Exercise improves cognition - We are designed to never stop learning and exploring - Memories are volatile - Sleep is powerfully linked with the ability to learn - Vision trumps all of the other senses - Stress changes the way we learn In the end, you'll understand how your brain really works--and how to get the most out of it.
Public
ScienceOpen

'Alterations of #Brain white matter network topological properties in overt #Hypothyroidism' - a Society for #Endocrinology #Research article by Bioscientifica on #ScienceOpen: scienceopen.com/document?vid=3

ScienceOpenAlterations of brain white matter network topological properties in overt hypothyroidism<div xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="section"> <a class="named-anchor" id="d873502e282"> <!-- named anchor --> </a> <h5 class="section-title" id="d873502e283">Purpose</h5> <p dir="auto" id="d873502e285">This study examined the topological properties of brain white matter networks in overt hypothyroidism (OH) patients and their links to cognitive and emotional dysfunction. </p> </div><div xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="section"> <a class="named-anchor" id="d873502e287"> <!-- named anchor --> </a> <h5 class="section-title" id="d873502e288">Materials and methods</h5> <p dir="auto" id="d873502e290">Fifty OH patients and 92 healthy controls underwent brain magnetic resonance imaging, clinical assessments and neuropsychological evaluations. Graph-theoretical network analysis based on diffusion tensor imaging was used to calculate global and local topological properties. Between-group differences were analyzed, and partial correlation and mediation analyses were conducted to explore relationships among topological metrics, clinical variables and neuropsychological scores. </p> </div><div xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="section"> <a class="named-anchor" id="d873502e292"> <!-- named anchor --> </a> <h5 class="section-title" id="d873502e293">Results</h5> <p dir="auto" id="d873502e295">The OH group showed significantly higher depressive and anxious scores, and lower cognitive scores. In the global topological analysis, the OH group showed decreased global efficiency, which was negatively correlated with the Hamilton Rating Scale for Depression-24 scores. Local topological abnormalities were predominantly observed in the nodal efficiency (NE), degree centrality and nodal local efficiency of several regions within the limbic system and default mode networks. Notably, NE in the left amygdala and left paracentral lobule was negatively correlated with the Hamilton Rating Scale for Depression-24 scores, and decreased NE in the right median cingulate and paracingulate gyri was positively correlated with executive function/visuospatial ability scores and the clock drawing test score. </p> </div><div xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="section"> <a class="named-anchor" id="d873502e297"> <!-- named anchor --> </a> <h5 class="section-title" id="d873502e298">Conclusion</h5> <p dir="auto" id="d873502e300">OH patients show depression, anxiety and cognitive impairments linked to global efficiency and regional abnormalities in the limbic system and default mode network. These findings provide insights into the neuropathophysiological mechanisms underlying emotional and cognitive impairments. </p> </div>
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Philo Sophies

#News 📢 from #AI #research 🤖: “How #ChatGPT 📱 can benefit from #human #brains 🧠 - or how we teach #machines 💻 to #think 🤓”

The research is a true joint venture between #AI and #neuroscience, as the #data and #methods can directly contribute to the #improvement of #LLM, such as #ChatGPT, and #cognitive #neuroscience can also learn about the #use and #formation of #language in the #brain.

More at: philosophies.de/index.php/2023

brain and computer
Public
h o ʍ l e t t

→ How the human brain is like a murmuration of starlings
aeon.co/essays/how-the-human-b

“The core idea of emergence inspired me to develop the concept I call the entangled brain: the need to understand the brain as an interactionally complex system where functions emerge from distributed, overlapping networks of regions rather than being localised to specific areas.”

<p>Photo by Sarah Mason/Getty Images</p>
AeonHow the human brain is like a murmuration of starlings | Aeon EssaysThe brain is much less like a machine than it is like the murmurations of a flock of starlings or an orchestral symphony
#human#emergence#entangled
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• THE BRAIN is less like a machine than it is like the murmurations of a flock of starlings or an orchestral symphony (or the Fediverse?)

The brain is an "interactionally complex system where functions emerge from distributed, overlapping networks of regions rather than being localised to specific areas. The interplay of constituent parts generates properties that defy reductive analysis."

aeon.co/essays/how-the-human-b

<p>Photo by Sarah Mason/Getty Images</p>
AeonHow the human brain is like a murmuration of starlings | Aeon EssaysThe brain is much less like a machine than it is like the murmurations of a flock of starlings or an orchestral symphony
#brain#science#ComplexityScience
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