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Category: neuroscience – Page 41

We all know that time seems to pass at different speeds in different situations. For example, time appears to go slowly when we travel to unfamiliar places. A week in a foreign country seems much longer than week at home.

Time also seems to pass slowly when we are bored, or in pain. It seems to speed up when we’re in a state of absorption, such as when we play music or chess, or paint or dance. More generally, most people report time seems to speed up as they get older.

However, these variations in time perception are quite mild. Our experience of time can change in a much more radical way. In my new book, I describe what I call “time expansion experiences” – in which seconds can stretch out into minutes.

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Moran Cerf disucssess why we dream, and goes deeper into explaining the different versions of the relevance of dreams in life.

FULL INTERVIEW — • moran cerf: neural implants, hacking…

ABOUT MORAN:
Prof. Moran Cerf is professor of business at Columbia business school. His academic research uses methods from neuroscience to understand the underlying mechanisms of our psychology, behavior changes, emotion, decisions, and dreams.

Learn More About Moran’s Work Here: https://www.morancerf.com.

Read more about my upcoming book here — https://throughconversations.substack…

// Let’s Connect //

Continue reading “‘AI Will Become Conscious’ — Top Neuroscientist on Artificial Intelligence and Consciousness” | >

This is a draft version of the Brain Emulation Challenge video.

This version is intended for an audience with some neuroscience background or interest.

This video is provided with the hope to generate useful critical feedback for improvements.

Why take the brain emulation challenge? Why take a challenge that is providing virtual brain data from generated neural tissue?

If your system identification and reconstruction method successfully discovers the neural circuit and translates its meaningful cognitive function, which was hidden in the data your method analyzed, and about which we know everything, for which we can verify and validate exactly how well the reconstructed result performs a specific function, then we have much stronger reason to believe claims about reconstructions and discovered function from unknown biological neural tissue.

It is a way to test qualitatively and quantitatively if a proposed method can indeed discover and extract what it is meant to find, establishing trust that it is able to deliver a specific and correct working model based on collected brain data.

Continue reading “The Brain Emulation Challenge” | >

Professor Kwang-Hyun Cho’s research team of the Department of Bio and Brain Engineering at KAIST has captured the critical transition phenomenon at the moment when normal cells change into cancer cells and analyzed it to discover a molecular switch hidden in the genetic network that can revert cancer cells back into normal cells.

The team’s findings are published in the journal Advanced Science.

A critical transition is a phenomenon in which a sudden change in state occurs at a specific point in time, like water changing into steam at 100℃. This critical transition phenomenon also occurs in the process in which change into at a specific point in time due to the accumulation of genetic and .

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Obsessive compulsive disorder (OCD) is a mental health disorder associated with persistent, intrusive thoughts (i.e., obsessions), accompanied by repetitive behaviors (i.e., compulsions) aimed at reducing the anxiety arising from obsessions. Past studies have showed that people diagnosed with OCD can present symptoms that vary significantly, as well as distinct brain abnormalities.

A team of researchers at the First Affiliated Hospital of Zhengzhou University recently carried out a study aimed at further exploring the well-documented differences among patients with OCD. Their findings, published in Translational Psychiatry, allowed them to identify two broad OCD subtypes, which are associated with different patterns in gray matter volumes and disease epicenters.

“OCD is a highly heterogeneous disorder, with notable variations among cases in structural brain abnormalities,” wrote Baohong Wen, Keke Fang and their colleagues in their paper. “To address this heterogeneity, our study aimed to delineate OCD subtypes based on individualized gray matter morphological differences.”

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Revolutionizing the fight against brain cancers — dr. thomas chen MD, phd, FAANS, — CEO/CSO, neonc technologies holdings inc.

Dr. Thomas Chen, MD, Ph.D. is Founder, CEO & CSO, and Board Director, of NeOnc Technologies (https://neonc.com/), a developer of a proprietary, patented platform technology that can potentially transport pharma-based therapeutics directly to the brain without the normal boundary restrictions imposed by the body’s Blood-Brain Barrier (BBB), providing patients with potentially more effective treatments.

NeOnc is developing a portfolio of treatments for brain cancer and other central nervous system (CNS) disorders.

Dr. Chen is a board-certified neurosurgeon and the Director of Surgical Neuro-Oncology at USC where he is also a tenured Professor of Neurosurgery and Pathology (https://keck.usc.edu/faculty-search/thomas-c-chen/).

Dr. Chen graduated summa cum laude from the University of Illinois at Urbana-Champaign, where he also received Bronze Tablet honors and was inducted into the Phi Beta Kappa national academic honor society. He attended the University of California, San Francisco, where he obtained his MD, and was inducted into the Alpha Omega Alpha National Medical Honor Society. He underwent neurosurgery training at USC and obtained a Ph.D. degree in pathobiology where his thesis was on the role of immunotherapy in malignant brain tumors.

Continue reading “Dr. Thomas Chen, MD, Ph.D. — CEO/CSO, NeOnc — Revolutionizing The Fight Against Brain Cancers” | >

The motivation behind the new study was to address these gaps in our understanding by leveraging the power of large-scale data. The researchers recognized that investigating the connection between genetic predisposition to dyslexia and brain structure in a very large sample could provide more robust and reliable insights than smaller, more traditional studies. They aimed to identify specific brain regions and white matter tracts that are associated with genetic risk for dyslexia, and to explore whether different genetic variants might influence distinct neural pathways.

“Thirty-five genetic variants that influence the chance of having dyslexia were already known from a very large study by the company 23andMe in the USA, carried out in over one million people. However, that study did not include brain MRI data. The new aspect of our study was to investigate the genetic variants in relation to brain structure in MRI data from thousands of people,” explained Clyde Francks (@clydefrancks), a professor at the Max Planck Institute for Psycholinguistics in Nijmegen and senior author of the study.

The researchers used two large datasets: the genetic data 23andMe and brain imaging data from over 30,000 adults in the UK Biobank. The 23andMe dataset helped identify genetic variants associated with dyslexia by comparing individuals who reported a dyslexia diagnosis to those who did not. These genetic variants were then used to calculate “polygenic scores” for individuals in the UK Biobank, reflecting their genetic predisposition to dyslexia.

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Tags; #science #neuroscience #happiness #happiness #neurodegenerativediseases #disease #health #mentalhealth #sleep #neuroscientist #disease #education #success.
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About me:
I am Shambhu Yadav, Ph.D., a research scientist at Harvard Medical School (Boston, MA, USA). I also work (for fun) as a Science Journalist, editor, and presenter on a YouTube channel. Science Communication is my passion.

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Disclaimer 1: The video content is for educational and informational purposes only, not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare provider regarding any medical condition. Do not disregard or delay seeking professional medical advice based on information from this video. Any reliance on the information provided is at your own risk.
Disclaimer 2: The Diary Of A Scientist (DOAS) channel does not promote or encourage any unusual activities, and all content provided by this channel is meant for EDUCATIONAL purposes only.

*Credits and thanks**
The video was recorded using iPhone and edited using Adobe Premiere Pro: a timeline-based and non-linear video editing software.
Music source: Epidemic sound.

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The ideal material for interfacing electronics with living tissue is soft, stretchable, and just as water-loving as the tissue itself—in short, a hydrogel. Semiconductors, the key materials for bioelectronics such as pacemakers, biosensors, and drug delivery devices, on the other hand, are rigid, brittle, and water-hating, impossible to dissolve in the way hydrogels have traditionally been built.

A paper published today in Science from the UChicago Pritzker School of Molecular Engineering (PME) has solved this challenge that has long stymied researchers, reimagining the process of creating hydrogels to build a powerful semiconductor in hydrogel form. Led by Asst. Prof. Sihong Wang’s research group, the result is a bluish gel that flutters like a sea jelly in water but retains the immense semiconductive ability needed to transmit information between living tissue and machine.

New material from the UChicago Pritzker School of Molecular Engineering can create better brain-machine interfaces, biosensors, and pacemakers.

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