brain

Brain, muscle or both: what drove the creation of modern dog breeds?

Brain, muscle or both: what drove the creation of modern dog breeds?

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In creating modern dog breeds, humans have sculpted canines into physical specimens perfectly suited for a wide variety of tasks. Bernese Mountain Dogs have strong, muscular bodies capable of pulling heavy loads, while Greyhounds have lean, streamlined frames that are ideal for hunting deer. The compact Jack Russell terrier can easily squeeze into fox or …

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Astronomers spot the largest galaxy ever, and the scale will break your brain

Astronomers spot the largest galaxy ever, and the scale will break your brain

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Earlier this year, astronomers found an absolute monster of a galaxy. Hidden some 3 billion light-years away, Alcyoneus is a giant radio galaxy reaching 5 megaparsecs in space. It’s 16.3 million light-years long, and it is the largest known structure of galactic origin. This discovery sheds light on our poor understanding of these colossi and …

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Neuralink's brain chip plans: Help the blind see and the paralyzed walk

Neuralink’s brain chip plans: Help the blind see and the paralyzed walk

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Neuralink, Elon Musk’s startup that hopes to link our brains directly to computers, showed progress in two medical areas on Wednesday: helping blind people see and helping people with spinal cord injuries walk. The company, one of five led by Musk, is working on technology to deposit thousands of electrodes thinner than a hair into …

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Elon Musk hopes to test brain implant in humans next year

Elon Musk hopes to test brain implant in humans next year

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In a presentation showcasing the Neuralink implant that Elon Musk hopes will one day connect the human brain to a computer, two monkeys reportedly moved computer cursors with their brains. The exploit was first documented by others in a human in 2006 in the pre-YouTube era and with much more cumbersome technology, tethering patients to …

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Silent synapses are abundant in the adult brain – Neuroscience News

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Summary: The adult brain contains millions of “silent synapses,” or immature connections between neurons that remain dormant until needed to learn new information and store new memories. Source: WITH MIT neuroscientists have found that the adult brain contains millions of “silent synapses” – immature connections between neurons that remain inactive until recruited to help form …

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Human Brain Neural Network Cerebral Cortex

Breakthrough in autism: New treatment dramatically improves social skills and brain function

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The researchers anticipate that the success of the study will have positive implications for clinical treatment. The treatment caused neurological changes, including a decrease in inflammation and an increase in functionality, according to the researchers. A recent study from Tel Aviv University found that pressure chamber therapy significantly improved social skills and brain status in …

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525 million year old fossil defies textbook explanation of brain evolution – Neuroscience News

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Summary: The fossil of a tiny 525-million-year-old sea creature with a preserved nervous system could resolve an age-old debate about arthropod brain evolution. Source: University of Arizona Fossils of a tiny sea creature that died more than half a billion years ago could force a science textbook to rewrite brain evolution. A study published in …

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Armored Lobopodian Cardiodictyon catenulum Reconstruction

Are science textbooks wrong? 525 Million Year Old Fossil Challenges Common Explanation of Brain Evolution

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Artist’s impression of a 525 million year old Cardiodictyon catenulum on the shallow coastal seafloor, emerging from the shelter of a small stromatolite built by photosynthetic bacteria. Credit: Nicholas Strausfeld/University of Arizona Fossils of a tiny sea creature with a delicately preserved nervous system resolve a century-old debate about brain evolution in arthropods, the most …

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What the octopus and the human brain have in common – Neuroscience News

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Summary: Octopuses have a massively expanded repertoire of miRNAs in their neural tissue, reflecting development similar to that which has occurred in vertebrates. The results suggest that miRNA plays an important role in the development of complex brains. Source: MDC Cephalopods like octopus, squid, and cuttlefish are highly intelligent animals with complex nervous systems. In …

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What the octopus and the human brain have in common

What the octopus and the human brain have in common

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Octopuses have complex “camera” eyes, as seen here in a juvenile animal. 1 credit Cephalopods like octopus, squid, and cuttlefish are highly intelligent animals with complex nervous systems. In Scientists progressa team led by Nikolaus Rajewsky from the Max Delbrück Center has just shown that their evolution is linked to a spectacular expansion of their …

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