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Archive for the ‘neuroscience’ category: Page 436

Jun 14, 2022

New tiny and flexible neural probes can explore your spinal cord

Posted by in category: neuroscience

Jun 13, 2022

Collapsing a leading theory for the quantum origin of consciousness

Posted by in categories: neuroscience, quantum physics

The origin of consciousness is one of the greatest mysteries of science. One proposed solution, first suggested by Nobel Laureate and Oxford mathematician Roger Penrose and anesthesiologist Stuart Hammeroff, at Arizona State University, in Tucson, attributes consciousness to quantum computations in the brain. This in turn hinges on the notion that gravity could play a role in how quantum effects disappear, or “collapse.” But a series of experiments in a lab deep under the Gran Sasso mountains, in Italy, has failed to find evidence in support of a gravity-related quantum collapse model, undermining the feasibility of this explanation for consciousness. The result is reported in the journal Physics of Life Reviews.

“How consciousness arises in the brain is a huge puzzle,” says Catalina Curceanu, a member of the physics think tank, the Foundational Questions Institute, FQXi, and the lead physicist on the experiments at INFN in Frascati, Italy. “There are many competing ideas, but very few can be experimentally tested.”

Quantum physics famously tells us that cats can be alive and dead at the same time, at least in . Yet in practice we never see felines locked in such an unfortunate limbo state. One popular explanation for why not is because the “wavefunction” of a system–its quantum character allowing it to be in two contradictory states simultaneously–is more likely to “collapse” or be destroyed if it is more massive, leaving it in one defined state, either dead or alive, say, but not both at the same time. This model of collapse, related to gravity acting on heavy objects like cats, was invoked by Penrose and Hammeroff when developing their model of consciousness, ‘Orch OR theory’ (the Orchestrated Objective Reduction theory), in the 1990s.

Jun 12, 2022

APIs create ‘digital empathy’

Posted by in categories: computing, internet, neuroscience

APIs have catalyzed the evolution of the internet and could evolve into the brain-computer interface-driven metaverse reality on the horizon.

Jun 12, 2022

An already-approved drug could help repair the brain after a stroke

Posted by in categories: biotech/medical, neuroscience

Gabapentin, which is currently used to control seizures and manage nerve pain, might help nerve cells regrow in the brain.

Jun 12, 2022

Questioning the ethics of computer chips that use lab-grown human neurons

Posted by in categories: computing, ethics, neuroscience

Jun 12, 2022

Cartographers of the Brain: Mapping the Connectome

Posted by in categories: chemistry, mapping, neuroscience

Scientists are attempting to map the wiring of the nearly 100 billion neurons in the human brain. Are we close to uncovering the mysteries of the mind or are we only at the beginning of a new frontier?

PARTICIPANTS: Deanna Barch, Jeff Lichtman, Nim Tottenham, David Van Essen.
MODERATOR: John Hockenberry.
Original program date: JUNE 4, 2017

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Jun 12, 2022

How To Live Forever with BioViva’s Liz Parrish! The LONGEVITY revolution has begun!

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

Liz mentions combinatorial gene therapy for aging near the end which is something you hear the likes of George Church mention they are working on.


Liz Parrish is the founder of @BioViva Science, a company dedicated to curing biological aging, a disease that is at the root cause of all other chronic diseases from heart disease to Alzheimer’s. Watch this video to understand how much more control we have over our lifespan and health!

Continue reading “How To Live Forever with BioViva’s Liz Parrish! The LONGEVITY revolution has begun!” »

Jun 11, 2022

Posture Assessed in Health Exam Detects Cognitive Decline

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

Summary: An older person’s posture may give clues to hidden cognitive decline, a new study reports.

Source: Shinshu University.

A mass survey of citizens aged 50 to 89 years examined whether cognitive decline could be detected by sagittal spinal balance measurement based on a radiological approach. Doctors from Shinshu University observed associations of sagittal vertical axis (SVA) anteriorization and higher age with lower cognitive function.

Jun 10, 2022

Synapse Study Explores the “Dark Matter of the Brain”

Posted by in categories: biological, chemistry, cosmology, neuroscience

They are part of the brain of almost every animal species, yet they remain usually invisible even under the electron microscope. “Electrical synapses are like the dark matter of the brain,” says Alexander Borst, director at the MPI for Biological Intelligence, in foundation (i.f). Now a team from his department has taken a closer look at this rarely explored brain component: In the brain of the fruit fly Drosophila, they were able to show that electrical synapses occur in almost all brain areas and can influence the function and stability of individual nerve cells.

Neurons communicate via synapses, small contact points at which chemical messengers transmit a stimulus from one cell to the next. We may remember this from biology class. However, that is not the whole story. In addition to the commonly known chemical synapses, there is a second, little-known type of synapse: the electrical synapse. “Electrical synapses are much rarer and are hard to detect with current methods. That’s why they have hardly been researched so far,” explains Georg Ammer, who has long been fascinated by these hidden cell connections. “In most animal brains, we therefore don’t know even basic things, such as where exactly electrical synapses occur or how they influence brain activity.”

An electrical synapse connects two neurons directly, allowing the electrical current that neurons use to communicate, to flow from one cell to the next without a detour. Except in echinoderms, this particular type of synapse occurs in the brain of every animal species studied so far. “Electrical synapses must therefore have important functions: we just do not know which ones!” says Georg Ammer.

Jun 9, 2022

Andrea De Souza — Eli Lilly — Leveraging Big Data & Artificial Intelligence For Unmet Medical Needs

Posted by in categories: biotech/medical, business, health, information science, neuroscience, robotics/AI

Leveraging big data & artificial intelligence to solve unmet medical needs — andrea de souza — eli lilly & co.


Andrea De Souza, is Associate Vice President, Research Data Sciences and Engineering, at Eli Lilly & Company (https://www.lilly.com/) where over the past three years her work has focused around empowering the Lilly Research Laboratories (LRL) organization with greater computational, analytics-intense experimentation to raise the innovation of their scientists.

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