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May 29, 2022

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2020 for neuroscience, longevity and AI, is the year to come

Neuroscience on shields in 2020: in the year in which "science" rhymes with "virus", there are many crucial and often overlooked researches.

Gianluca Ricciodi Gianluca Riccio
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Photo by Kelly Sikkema on Unsplash

January 4 2021
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The damn Covid-19 catalyzed most of the attention and scientific efforts of 2020 - but there were still big wins.

Neuroscience 2020
Not just neuroscience! (credits: SpaceX)

We will then talk about neuroscience, but I will tell you that there was not only that. The pandemic did not stop the space race to begin with. Two astronauts they launched on the International Space Station (returning safe and sound) at a turning point for commercial space travel. NASA has released dozens of findings on how space travel changes our bodies, paving the way for keeping us healthy in orbit, or someday, on other planets.

Neuroscience 2020
Emmanuelle Charpentier, Nobel Prize in Chemistry 2020

On Earth, scientists have brought out the genius CRISPR from the lamp, winning a Nobel Prize and changing the history of genome editing. Artificial intelligence and neuroscience have become even more intertwined, sometimes literally. Biological neurons they have been linked to two artificial neurons based on silicon, in multiple countries, in a fully functional biohybrid neural network.

Imagine similar circuits inside the brain - that's what it would like to do Neuralink.

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More abstractly, biology and technology are getting closer

We understand more and more how body and mind interact, and try to replicate similar dynamics in a machine. Artificial intelligence has also contributed to the birth of the most accurate atlas of the brain and of the body to this day, a “living map” that can continuously incorporate new data and capture individual differences.

As we leave 2020 behind us, two main themes are already appearing in 2021 as indicators of what lies ahead in the field of neuroscience. These are the two main trends to keep an eye on next year.

Anti-aging lanes

The aging process is extremely complex. The same goes for methods that try to prevent age-related diseases or slow down aging itself. This complexity almost dictates that longevity research be conducted in watertight compartments. In separate lanes.

Try to probe the biological mechanisms that drive aging. Scientists spend entire careers studying a single aspect of aging or looking for age-related genes. The lucky ones devise ways to combat a single factor.

But the hallmarks of aging don't raise their heads on their own. They work together. A growing trend is to unravel "how" their interactions ("crosstalk," in scientific terms) work in the hope of targeting and reversing aging.

This year, longevity researchers crossed the lanes

Several studies, for example, have focused on an important hallmark of aging: epigenetics. Our DNA is studded with thousands of chemical signs. As we age, these signs accumulate. Using gene therapy, as early as 2019 the researchers they introduced in older mice substances to restore those signs and reprogram the cells to a younger state. 2021 will see these tests pass to humans.

Another study has begun to push the limits of restarting the memory and cognition faltering due to aging.

Bottom line: Longevity research has long been fragmented, but it's starting to merge in a multidisciplinary field.

These exchanges are just the beginning of a growing trajectory to fight the monster of old age, and someday who knows, maybe the day of death.

Artificial intelligence completely infiltrates biology

Neuroscience 2020
Biological and artificial neurons have begun to "smell"

If you've been looking for a sign that AI is leaving the realm of science fiction and heading into the real world, you've had a lot this year.

This year, Hurricane Covid-19 sparked AI-based drug research, as well as screening for existing drugs to use against the virus. As a "scout", AI behaved pretty well, but the final test was missing: a drug designed by artificial intelligence and launched on the market.

On the contrary, AI-based medical diagnosis has grown dramatically. I counted a total of 29 FDA-approved AI-based medical technologies, even a "microscope for cancer". Pandora's box has been opened.

Other notable discoveries in the field of neuroscience

Another scientific advantage this year is the use of light in neuroscience and tissue engineering. One study, for example, used lasers to directly print a structure similar to a human ear under the skin of mice, without a single surgical cut. Other studies have brought theoptogenetics, with a new way of using light to control the brain through the skull without surgery, although gene therapy is still needed for now.

Covid, we all understood, will be a long goodbye. The pandemic defined the whole of 2020, but the science continued to move forward.

I can't wait to share with you what could happen next year - be it revolutionary, terrifying, bizarre or exhilarating.

tags: NeuroscienceForecasts
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