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Archive for the ‘neuroscience’ category: Page 213

Sep 25, 2023

9 Benefits of Yoga

Posted by in categories: biotech/medical, neuroscience

If you’ve done your “downward dog” yoga pose today, you’re probably feeling more relaxed. Regardless of your level of yoga expertise, if you’re practicing regularly, you can feel better from head to toe. Yoga offers physical and mental health benefits for people of all ages. And, if you’re going through an illness, recovering from surgery or living with a chronic condition, yoga can become an integral part of your treatment and potentially hasten healing. A yoga therapist can work with patients and put together individualized plans that work together with their medical and surgical therapies. That way, yoga can support the healing process and help the person experience symptoms with more centeredness and less distress.

-Aside from these, Yoga also is beneficial to people dealing with Parkinson’s disease. First off it reduces tremors, and it also improves the steadiness of the gait of people with Parkinson’s.


Learn what a Johns Hopkins expert and yoga researcher knows about the benefits and how to get started simply.

Sep 24, 2023

Controlling Devices with Thought, No Open Brain Surgery Required

Posted by in categories: biotech/medical, computing, neuroscience

Synchron has developed a Brain-Computer Interface that uses pre-existing technologies such as the stent and catheter to allow insertion into the brain without the need for open brain surgery.

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Sep 24, 2023

Molecule reduces inflammation in Alzheimer’s models

Posted by in categories: biotech/medical, genetics, life extension, neuroscience

Though drug developers have achieved some progress in treating Alzheimer’s disease with medicines that reduce amyloid-beta protein, other problems of the disease, including inflammation, continue unchecked. In a new study, scientists at The Picower Institute for Learning and Memory at MIT describe a candidate drug that in human cell cultures and Alzheimer’s mouse models reduced inflammation and improved memory.

The target of the new “A11” molecule is a genetic transcription factor called PU.1. Prior research has shown that amid Alzheimer’s disease, PU.1 becomes an overzealous director of inflammatory gene expression in the brain’s microglia immune cells. A11 suppresses this problematic PU.1 activity, the new research shows, by recruiting other proteins that repress the inflammatory genes PU.1 works to express. But because A11 concentrates mostly in the brain and does not reduce PU.1 levels, it does not appear to disrupt PU.1’s other job, which is to ensure the production of a wide variety of blood cells.

“Inflammation is a major component of Alzheimer’s disease pathology that has been especially hard to treat,” says study senior author Li-Huei Tsai, Picower Professor of Neuroscience at MIT and director of The Picower Institute and MIT’s Aging Brain Initiative. “This preclinical study demonstrates that A11 reduces inflammation in human microglia-like cells, as well as in multiple mouse models of Alzheimer’s disease, and significantly improves cognition in the mice. We believe A11 therefore merits further development and testing.”

Sep 24, 2023

We all have false memories. Here’s how yours are made

Posted by in category: neuroscience

How reliable is your memory? Can you remember what you were doing on this day ten years ago? Or do you struggle to remember what you ate for lunch yesterday? Regardless of how well you think you remember things, all of our brains are full of memories of events that never happened – so-called false memories. And that, according to science, isn’t necessarily something to worry about.

To explain this strange phenomenon and much more, we talked to Dr Julia Shaw, a research associate at University College London and expert on criminal psychology.

Memories are essentially networks of neurons. And autobiographical memories – memories of our lives – involve connecting different parts of the brain. These memories don’t just live in one little piece.

Sep 24, 2023

Brainless Brilliance: Jellyfish Stun Scientists With Learning Skills

Posted by in categories: biological, neuroscience

Current Biology. They trained Caribbean box jellyfish (Tripedalia cystophora) to learn to spot and dodge obstacles. The study challenges previous notions that advanced learning requires a centralized brain and sheds light on the evolutionary roots of learning and memory.

No bigger than a fingernail, these seemingly simple jellies have a complex visual system with 24 eyes embedded in their bell-like body. Living in mangrove swamps, the animal uses its vision to steer through murky waters and swerve around underwater tree roots to snare prey. Scientists demonstrated that the jellies could acquire the ability to avoid obstacles through associative learning, a process through which organisms form mental connections between sensory stimulations and behaviors.

Sep 24, 2023

Imaging of Pediatric brain tumor

Posted by in category: neuroscience

Sep 23, 2023

Scientists regenerate neurons that restore walking in mice after paralysis from spinal cord injury

Posted by in categories: genetics, neuroscience

In a new study in mice, a team of researchers from UCLA, the Swiss Federal Institute of Technology, and Harvard University have uncovered a crucial component for restoring functional activity after spinal cord injury. The neuroscientists have shown that re-growing specific neurons back to their natural target regions led to recovery, while random regrowth was not effective.

In a 2018 study published in Nature, the team identified a treatment approach that triggers axons —the tiny fibers that link and enable them to communicate—to regrow after spinal cord in rodents. But even as that approach successfully led to the of across severe spinal cord lesions, achieving functional recovery remained a significant challenge.

Continue reading “Scientists regenerate neurons that restore walking in mice after paralysis from spinal cord injury” »

Sep 23, 2023

The Fascinating Science of How We Think Not with the Brain But with the World

Posted by in categories: neuroscience, science

In The Extended Mind: The Power of Thinking Outside the Brain (public library), Annie Murphy Paul explores the most thrilling frontiers of this growing understanding, fusing a century of scientific studies with millennia of first-hand experience from the lives and letters of great artists, scientists, inventors, and entrepreneurs. Challenging our cultural inheritance of thinking that thinking takes place only inside the brain, she illuminates the myriad ways in which we “use the world to think” — from the sensemaking language of gestures that we acquire as babies long before we can speak concepts to the singular fuel that time in nature provides for the brain’s most powerful associative network.

Paul distills this recalibration of understanding:

Thinking outside the brain means skillfully engaging entities external to our heads — the feelings and movements of our bodies, the physical spaces in which we learn and work, and the minds of the other people around us — drawing them into our own mental processes. By reaching beyond the brain to recruit these “extra-neural” resources, we are able to focus more intently, comprehend more deeply, and create more imaginatively — to entertain ideas that would be literally unthinkable by the brain alone.

Sep 23, 2023

The fundamental process behind memory has been captured live

Posted by in category: neuroscience

Researchers from the Netherlands Institute for Neuroscience have, for the first time, witnessed nerve plasticity in the axon in motion.

Our nerve cells communicate through rapid transmission of electrical signals known as . All action potentials in the brain start in one unique small area of the cell: the axon initial segment (AIS). This is the very first part of the axon, the long, thin extension of a nerve cell that transmits signals or impulses from one nerve cell to another. It acts as a where it is decided when an action potential is initiated before traveling further along the axon.

Previously, researchers made the surprising observation that plasticity also occurs at the AIS. Plasticity refers to the brain’s ability to create new connections and structures in order to scale the amount of electrical activity, which is crucial for learning and memory. AIS plasticity occurs during changes in brain network activity.

Sep 23, 2023

MRI reveals long-term organ abnormalities after COVID-19

Posted by in categories: biotech/medical, neuroscience

COVID-19 can affect various organs in the body, such as the brain, lungs, heart, and kidneys. But what happens to these organs after the infection is over? How long does it take for them to heal? A new study has tried to answer these questions by using MRI scans to look at multiple organs of people hospitalized with COVID-19.

The study, published in The Lancet Respiratory Medicine, is one of the most comprehensive post–COVID–19 MRI studies to date. It involved 259 patients who had been hospitalized with COVID-19 in the U.K. and 50 people who had never been… More.


Credits: SvetaZi/iStock.

Continue reading “MRI reveals long-term organ abnormalities after COVID-19” »

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