Neuro

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High-density neural probe released to neuroscience community

High-density neural probe released to neuroscience community
The research and innovation hub in nanoelectronics and digital technologies, imec, has released and is making available its high-density neural probe, Neuropixels, to the global neuroscience research community. With almost a thousand electrodes, and 384 recording channels on a single shank, the Neuropixels probe provides an unprecedented resolution for mapping brain activity.
1st November 2018

Sensors track dopamine in the brain for more than a year

Sensors track dopamine in the brain for more than a year
Dopamine, a signalling molecule used throughout the brain, plays a major role in regulating our mood, as well as controlling movement. Many disorders, including Parkinson’s disease, depression, and schizophrenia, are linked to dopamine deficiencies. MIT neuroscientists have now devised a way to measure dopamine in the brain for more than a year, which they believe will help them to learn much more about its role in both healthy and diseased brains.
12th September 2018

Artificial synaptic device simulates the function of human brain

Artificial synaptic device simulates the function of human brain
A research team led by Director Myoung-Jae Lee from the Intelligent Devices and Systems Research Group has succeeded in developing an artificial synaptic device that mimics the function of the nerve cells (neurons) and synapses that are response for memory in human brains. Synapses are where axons and dendrites meet so that neurons in the human brain can send and receive nerve signals; there are known to be hundreds of trillions of synapses in the human brain.
10th September 2018


Chip controlling exoskeleton keeps the brain cool

Chip controlling exoskeleton keeps the brain cool
Researchers from the Moscow Institute of Physics and Technology have developed a model for predicting hand movement trajectories based on cortical activity: Signals are measured directly from a human brain. The predictions rely on linear models. This offloads the processor, since it requires less memory and fewer computations in comparison with neural networks. As a result, the processor can be combined with a sensor and implanted in the cranium.
10th September 2018

The latest protocol for creating human cortical organoids

The latest protocol for creating human cortical organoids
Writing in the current online issue of the journal Stem Cells and Development, researchers at University of California San Diego School of Medicine have described development of a rapid, cost-effective method to create human cortical organoids directly from primary cells. Experimental studies of developing human brain function are limited. Research involving live embryonic subjects is constrained by ethical concerns and the fragile nature of the brain itself.
7th September 2018

Wireless brain implant to enable latest therapies

Wireless brain implant to enable latest therapies
Small, wireless and networked describes more than the latest household gadget. At Draper, medical implants are slimming down and getting connected, too. Draper’s latest system is tiny in size, but is poised to make a big impact in treating disease through its networked abilities. A driving factor in the new implant design is the growing awareness that disease often involves complex interactions between multiple systems in the body.
3rd September 2018

Robotics may provide insight into neurological diseases

Robotics may provide insight into neurological diseases
Purdue University researchers are a step closer to answering one of the critical questions about the brain – how neural networks in the organ perform the computations necessary for higher-level brain functions. The technology also provides a new tool for the potential development of medications for neurological diseases such as Alzheimer’s, multiple sclerosis and epilepsy.
16th August 2018

Generating missing cell type in brain 'organoids'

Generating missing cell type in brain 'organoids'
A laboratory technique that turns human stem cells into brain-like tissue now recapitulates human brain development more accurately than ever, according to a study from Case Western Reserve University School of Medicine. The study, published in Nature Methods, demonstrates how to grow brain 'organoids'—self-organising mini spheres that now contain all the major cell types found in the human cerebral cortex—in laboratory dishes.
26th July 2018

Artificial neural networks reveal a brain’s structure

Artificial neural networks reveal a brain’s structure
The function of the brain is based on the connections between nerve cells. In order to map these connections and to create the connectome, the 'wiring diagram' of a brain, neurobiologists capture images of the brain with the help of three-dimensional electron microscopy. Up until now, however, the mapping of larger areas has been hampered by the fact that, even with considerable support from computers, the analysis of these images by humans would take decades.
26th July 2018

Achieving an integrated optical artificial neural network

Achieving an integrated optical artificial neural network
Researchers have shown that it is possible to train artificial neural networks directly on an optical chip. The significant breakthrough demonstrates that an optical circuit can perform a critical function of an electronics-based artificial neural network and could lead to less expensive, faster and more energy efficient ways to perform complex tasks such as speech or image recognition.
20th July 2018


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