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Category: neuroscience – Page 662

NEW YORK (AP) — Brain scans offer a tantalizing glimpse into the mind’s mysteries, promising an almost X-ray-like vision into how we feel pain, interpret faces and wiggle fingers.

Studies of brain images have suggested that Republicans and Democrats have visibly different thinking, that overweight adults have stronger responses to pictures of food and that it’s possible to predict a sober person’s likelihood of relapse.

But such buzzy findings are coming under growing scrutiny as scientists grapple with the fact that some brain scan research doesn’t seem to hold up.

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This is very helpful in reducing signs in aging.

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Brain Muraresku, author of “The Immortality Key — The Secret History Of The Religion With No Name”, discussing his fascinating journey to discover psychedelic potions from antiquity, reconstruct their history in the development of religion and civilization, and their development into a modern neuro-pharmacopoeia.

On today’s show we are going to be weaving together a really interesting range of themes including psychedelics, pharmacognosy and medicinal botany, history, religion & spirituality, end of life care, dreaming, mental health and a whole lot more.

Brian Muraresku is the author of “The Immortality Key: The Secret History of the Religion with No Name”.

Continue reading “The Immortality Key — Brain Muraresku — The Secret History Of The Religion With No Name” | >

Just a few doses of an experimental drug can reverse age-related declines in memory and mental flexibility in mice, according to a new study by UC San Francisco scientists. The drug, called ISRIB, has already been shown in laboratory studies to restore memory function months after traumatic brain injury (TBI), reverse cognitive impairments in Down Syndrome, prevent noise-related hearing loss, fight certain types of prostate cancer, and even enhance cognition in healthy animals.

In the new study, published Dec. 1, 2020, in the open-access journal eLife, researchers showed rapid restoration of youthful cognitive abilities in aged mice, accompanied by a rejuvenation of brain and immune cells that could help explain improvements in brain function.

“ISRIB’s extremely rapid effects show for the first time that a significant component of age-related cognitive losses may be caused by a kind of reversible physiological “blockage” rather than more permanent degradation,” said Susanna Rosi, PhD, Lewis and Ruth Cozen Chair II and professor in the departments of Neurological Surgery and of Physical Therapy and Rehabilitation Science.

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Ineurals — advanced neuro-technologies for rapid learning and skill acquisition.

The 711th Human Performance Wing, under the U.S. Air Force Research Laboratory leads the development, integration, and delivery of Airman-centric research, education, and consultation enabling the U.S. Air Force to achieve responsive and effective global vigilance, global reach, and global power now and in the future. It’s comprised of the United States Air Force School of Aerospace Medicine and the Airman Systems Directorate, whose science and technology competencies include Training, Adaptive Warfighter Interfaces, Bioeffects, Bioengineering, and Aerospace and Operational Medicine.

The Individualized Neural Learning System, or iNeuraLS, is a new augmented learning platform that will enable rapid learning by closed-loop modulation of cognitive states during skill acquisition. Essentially, the AFRL team seeks to develop a capability that will give Airmen the ability to rapidly acquire knowledge and skills on the fly through direct brain interfaces with the help of neurotechnologies.

Continue reading “INeuraLS — Advanced NeuroTech For Rapid Knowledge and Skill Acquisition — US AirForce Research Labs” | >

Exploring the frontiers of neuromodulation, neurostimulation, and neural interfaces.

Neuromodulation is defined as “the alteration of nerve activity through targeted delivery of a stimulus, such as electrical stimulation or chemical agents, to specific neurological sites in the body”. It is carried out to normalize – or modulate – nervous tissue function.

Neuromodulation is an evolving therapy that can involve a range of electromagnetic stimuli such as a magnetic field, an electric current, or a drug instilled directly in the sub-dural space (i.e. intra-thecal drug delivery).

Continue reading “Dr. Amilcar dos Santos MD — Exploring Far Frontiers of Neural, Spinal, and Brain-Computer Interfaces” | >

A team of scientists has now found a way to create a clear image from scattered infrared light emitted from a laser, even after it’s passed through a thick layer of bone.

‘Our microscope allows us to investigate fine internal structures deep within living tissues that cannot be resolved by any other means,’ said physicists Seokchan Yoon and Hojun Lee from Korea University.

Seeing what the heck is going on inside of us is useful for many aspects of modern medicine. But how to do this without slicing and dicing through barriers like flesh and bone to observe living intact tissues, like our brains, is a tricky thing to do.

Thick, inconsistent structures like bone will scatter light unpredictably, making it difficult to figure out what’s going on behind them. And the deeper you wish to see, the more scattered light obscures fine and fragile biological structure.

Continue reading “Scientists Invent a Microscope That Can Safely Look Straight Through Your Skull” | >