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Jul 19, 2023

Scientists identify neurons involved in correcting errors during spatial navigation

Posted by in categories: mapping, neuroscience

During routine navigation in daily life, our brains use spatial mapping and memory to guide us from point A to point B. Just as routine is making a mistake in navigation that requires a course correction.

Now, researchers at Harvard Medical School have identified a specific group of neurons in a region involved in that undergo bursts of activity when running a maze veer off course and correct their error.

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Jul 19, 2023

A brain implant changed her life. Then it was removed against her will

Posted by in categories: law, neuroscience

And the right to freedom of thought enshrined in the Universal Declaration of Human Rights is similarly open to interpretation. It was historically put in place to protect freedoms surrounding beliefs, religion, and speech. But that could change, says Ienca. “Rights are not static entities,” he says.

He is among the ethicists and legal scholars investigating the importance of “neuro rights”—the subset of human rights concerned with the protection of the human brain and mind. Some are currently exploring whether neuro rights could be recognized within established human rights, or whether we need new laws.


Her case highlights why we need to enshrine neuro rights in law.

Continue reading “A brain implant changed her life. Then it was removed against her will” »

Jul 19, 2023

Tech that aims to read your mind and probe your memories is already here

Posted by in categories: law, neuroscience

https://youtube.com/watch?v=tU_0jU0mMLw

In recent years, we’ve seen neurotechnologies move from research labs to real-world use. Schools have used some devices to monitor the brain activity of children to tell when they are paying attention. Police forces are using others to work out whether someone is guilty of a crime. And employers use them to keep workers awake and productive.

These technologies hold the remarkable promise of giving us all-new insight into our own minds. But our brain data is precious, and letting it fall into the wrong hands could be dangerous, Farahany argues in her new book, The Battle for Your Brain. I chatted with her about some of her concerns.

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Jul 19, 2023

Blade Runner and ELO Rain is Falling

Posted by in category: futurism

The future.


Search on the next page to see what is available!

Jul 19, 2023

Dense 4D nanoscale reconstruction of living brain tissue

Posted by in categories: nanotechnology, robotics/AI

A combination of gentle stimulated emission depletion microscopy imaging and deep-learning-based improvements in signal-to-noise ratio enables high-resolution reconstruction of neuronal architecture in living tissue.

Jul 19, 2023

Robots & Warfare

Posted by in categories: media & arts, military, robotics/AI

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Robots play an ever greater role in every aspect of our lives, including the battlefield, but what will their role be in the wars of the future?

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Jul 19, 2023

Nonlinear feedforward enabling quantum computation

Posted by in categories: computing, internet, quantum physics

We have implemented a nonlinear quadrature measurement of \(\hat{p}+\gamma {\hat{x}}^{2}\) using the nonlinear electro-optical feedforward and non-Gaussian ancillary states. The nonlinear feedforward makes the tailored measurement classically nonlinear, while the ancillary state pushes the measurement into highly non-classical regime and determines the excess noise of the measurement. By using a non-Gaussian ancilla we have observed 10% reduction of the added noise relative to the use of vacuum ancillary state, which is consistent with the amount of nonlinear squeezing in the ancilla. Higher reduction of the noise can be realized in the near future by a better approximation of the CPS using a superposition of higher photon number states38,42. We can now create broadband squeezed state of light beyond 1 THz8,9 and can make a broadband amplitude measurement on it with 5G technology beyond 40 GHz10, as well as a broadband photon-number measurement beyond 10 GHz11. Furthermore, the nonlinear feedforward presented here can be compatible with these technologies if an application specific integrated circuit (ASIC) is developed based on the FPGA board presented here. By using such technologies we can efficiently create non-Gaussian ancillary states with large nonlinear squeezing by heralding schemes36,43 even when the success rate is very low. It is because we can repeat heralding beyond 10 GHz and can compensate for the very low success rate.

When supplied with such high-quality ancillary state, this nonlinear measurement can be directly used in the implementation of the deterministic non-Gaussian operations required in the universal quantum computation. Our experiment is a key milestone for this development as it versatilely encompasses all the necessary elements for universal manipulation of the cluster states. Furthermore, this method is extendable to multiple ancillary states case in implementation of the higher-order quantum non-Gaussianity44 and multi-mode quantum non-Gaussianity45.

Our experiment demonstrates an active, flexible, and fast nonlinear feedforward technique applicable to traveling quantum states localized in time. If the nonlinear feedforward system is combined with the cluster states13,14 and GKP states19, all operations required for large-scale fault-tolerant universal quantum computation can be implemented in the same manner. As such, we have demonstrated a key technology needed for optical quantum computing, bringing it closer to reality.

Jul 19, 2023

Cracking consciousness will never be easy but we are making strides

Posted by in category: neuroscience

A new way to understand where consciousness comes from and novel insights into subjective thought show that the hard problem of consciousness is worth persevering with.

Jul 19, 2023

Gateway to 3D Material Revolution: Researchers Put a Graphene Twist on Graphite

Posted by in categories: education, materials

A breakthrough study by the University of Washington.

Founded in 1,861, the University of Washington (UW, simply Washington, or informally U-Dub) is a public research university in Seattle, Washington, with additional campuses in Tacoma and Bothell. Classified as an R1 Doctoral Research University classification under the Carnegie Classification of Institutions of Higher Education, UW is a member of the Association of American Universities.

Jul 19, 2023

Tracing the Origin of Life — Researchers Uncover How Primordial Proteins Formed on Prebiotic Earth

Posted by in categories: biotech/medical, food, genetics

Unraveling the mystery of how catalytic organic polymers first appeared on prebiotic Earth will unlock key understandings in the origin of life.

Researchers from Tohoku University recently discovered a probable setting where the creation of catalytic organic polymers could occur. To make this discovery, they evaporated solutions of amino acids.

<div class=””> <div class=””><br />Amino acids are a set of organic compounds used to build proteins. There are about 500 naturally occurring known amino acids, though only 20 appear in the genetic code. Proteins consist of one or more chains of amino acids called polypeptides. The sequence of the amino acid chain causes the polypeptide to fold into a shape that is biologically active. The amino acid sequences of proteins are encoded in the genes. Nine proteinogenic amino acids are called “essential” for humans because they cannot be produced from other compounds by the human body and so must be taken in as food.<br /></div> </div>