Archive for the ‘neuroscience’ category: Page 10

Jul 2, 2022

40% of Older Adults: Newly Identified Form of Dementia Is Shockingly Common

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

A recent study indicates the prevalence of brain changes from limbic-predominant age-related TDP-43 encephalopathy might be approximately 40% in older adults and as high as 50% in people with Alzheimer’s.

Alzheimer’s disease is a disease that attacks the brain, causing a decline in mental ability that worsens over time. It is the most common form of dementia and accounts for 60 to 80 percent of dementia cases. There is no current cure for Alzheimer’s disease, but there are medications that can help ease the symptoms.

Jul 2, 2022

Head Injuries Can Rewire Whole-Brain Networks in Mice, Important New Maps Reveal

Posted by in categories: mapping, neuroscience

We know the brain changes after traumatic injury, and now we have maps from mice showing what that change looks like.

A team of scientists has traced connections between nerve cells throughout the entire brain of mice, showing that distant parts of the brain become disconnected after a head injury.

The stunning visualizations of brain-wide connectivity could help scientists understand how a traumatic brain injury, or TBI, alters cross-talk between different cells and brain regions, first in mice and then in humans.

Continue reading “Head Injuries Can Rewire Whole-Brain Networks in Mice, Important New Maps Reveal” »

Jul 2, 2022

Spiderman Mask + LiDAR = Superpowers! (Real Life Spidey-Sense!)

Posted by in category: neuroscience

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Continue reading “Spiderman Mask + LiDAR = Superpowers! (Real Life Spidey-Sense!)” »

Jul 1, 2022

Objective Reality May Not Exist at All, Quantum Physicists Say

Posted by in categories: neuroscience, particle physics, quantum physics

If objective reality doesn’t exist, where does that leave us? Does reality emerge into physicality directly from nothing, or could it be that conceptual reality is just as real as the physical universe? If that is the case, then physical matter is just a product of conception, and consciousness is its backdrop.

Does reality exist, or does it take shape when an observer measures it? Akin to the age-old conundrum of whether a tree makes a sound if it falls in a forest with no one around to hear it, the above question remains one of the most tantalizing in the field of quantum mechanics, the branch of science dealing with the behavior of subatomic particles on the microscopic level.

In a field where intriguing, almost mysterious phenomena like “quantum superposition” prevail—a situation where one particle can be in two or even “all” possible places at the same time—some experts say reality exists outside of your own awareness, and there’s nothing you can do to change it. Others insist “quantum reality” might be some form of Play-Doh you mold into different shapes with your own actions. Now, scientists from the Federal University of ABC (UFABC) in the São Paulo metropolitan area in Brazil are adding fuel to the suggestion that reality might be “in the eye of the observer.”

Continue reading “Objective Reality May Not Exist at All, Quantum Physicists Say” »

Jul 1, 2022

Brain-computer interface technology opens up “whole new world” of therapies

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

“We are starting to help patients in ways that we did not think were possible,” Thomas Oxley (Mount Sinai Hospital, New York, USA) tells NeuroNews, referring to the potential of brain-computer interface (BCI) technology. Alongside his role as a vascular and interventional neurologist, Oxley is chief executive officer of Synchron, developer of the Stentrode motor neuroprosthesis. The Stentrode is an implantable BCI device that, according to Oxley, is the first of its kind to be in the early feasibility clinical stage in the USA following US Food and Drug Administration (FDA) approval of Synchron’s investigational device exemption (IDE) application last month. Speaking to NeuroNewsfollowing a presentation on the topic at the Society of NeuroInterventional Surgery’s 18thannual meeting (SNIS; 26–29 July 2021, Colorado Springs, USA and virtual), Oxley gives an overview of the COMMAND early feasibility study, anticipates key results, and considers more generally how BCI technology could shape the future of deep brain stimulation.

Jul 1, 2022

Looking Beyond 2050 — On Earth and in Space with Lord Martin Rees

Posted by in categories: biotech/medical, business, education, evolution, food, health, media & arts, neuroscience

Cosmologist, noted author, Astronomer Royal and recipient of the 2015 Nierenberg Prize for Science in the Public Interest Lord Martin Rees delivers a thought-provoking and insightful perspective on the challenges humanity faces in the future beyond 2050. [3/2016] [Show ID: 30476]

Frontiers of Knowledge.

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Jul 1, 2022

Experimental drug reverses synaptic loss in mouse models of Alzheimer’s

Posted by in categories: biotech/medical, neuroscience

An experimental drug restored brain synapses in two mouse models of Alzheimer’s disease, raising hopes that it could help revive cognitive function in human dementia patients, Yale University researchers report June 1 in the journal Science Translational Medicine.

While much research in Alzheimer’s has centered on reducing levels of beta-amyloid plaque in the brain that is a hallmark of the , recent studies have suggested that immune system response in the brain also plays a role in in patients.

Some scientists now believe that cognitive decline in Alzheimer’s patients results from a loss of synaptic connections between neurons caused by a steady accumulation of beta-amyloid protein in the brain which in turn unleashes a chronic immune system response to the intruder. The end stages of the disease lead to the death of neurons.

Jul 1, 2022

What If We Built a Star-Sized Computer? | Unveiled

Posted by in categories: computing, neuroscience, particle physics

What if we built a Matrioshka Brain? In this video, Unveiled asks what would happen if we built a computer AROUND A STAR? This is one of the most incredible megastructures we’ve ever even contemplated… but what would the universe be like if it was home to these things? And how would we possibly keep control?

This is Unveiled, giving you incredible answers to extraordinary questions!

Continue reading “What If We Built a Star-Sized Computer? | Unveiled” »

Jul 1, 2022

The Mere Sight of a Meal Triggers an Inflammatory Response in the Brain

Posted by in category: neuroscience

Summary: The simple sight and smell of a meal prior to consumption triggers insulin release. This insulin release depends on a short-term inflammatory response. In those who are overweight, this inflammatory response is so excessive it can impair insulin secretion.

Source: University of Basel.

Even before carbohydrates reach the bloodstream, the very sight and smell of a meal trigger the release of insulin.

Jul 1, 2022

Flu vaccines linked to 40% reduced risk of Alzheimer’s disease

Posted by in categories: biotech/medical, neuroscience

𝐅𝐥𝐮 𝐯𝐚𝐜𝐜𝐢𝐧𝐞𝐬 𝐥𝐢𝐧𝐤𝐞𝐝 𝐭𝐨 𝟒𝟎% 𝐫𝐞𝐝𝐮𝐜𝐞𝐝 𝐫𝐢𝐬𝐤 𝐨𝐟 𝐀𝐥𝐳𝐡𝐞𝐢𝐦𝐞𝐫’𝐬 𝐝𝐢𝐬𝐞𝐚𝐬𝐞

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