These scientists are working on processes such as decoding neural signals, developing new ways to
use neural signals in assistive technology, and mining neural data for more accurate predictors of psychiatric illnesses.
Not exact matches
Moving up the complexity scale, non-linear or machine learning models like
Neural Networks, Support Vector Machines or Decision Trees can be
used to build the investment
signal.
In a recent test
using a cat as a test subject, Rogers» team showed that the sensors, connected to computers via a thin cable, could identify specific
neural signals that portend a seizure.
Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in
use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that
uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending
signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via
neural signals.
Neural signals are transmitted within neurons by changing calcium concentrations, so the researchers
used this technique to measure the amount of calcium contained within the Purkinje cells in real time.
Then, for each application, they
used a
neural network to find correlations between particular neuromuscular
signals and particular words.
Researchers found that chronic
use of the drug kept the brain in this state of «chronic depression,» in essence suppressing the
neural terminals controlling the flow of
signals between the cortex and striatium — even after a long period of several weeks.
«We can
use that information to update the map between the
neural signals and the decoder's «understanding» of the person's movement intentions,» Jarosiewicz said.
Using a pharmacogenetics approach, the researchers selectively switched off specific groups of brain cells — called
neural ensembles — that react to select cues
signaling either reward availability or reward omission.
The algorithms, which tell computers how to learn from data, are
used in computer models called artificial
neural networks — webs of interconnected virtual neurons that transmit
signals to their neighbors by switching on and off, or «firing.»
11
Neural Implant Empowers Paralyzed Man Picking up brain
signals with implanted electrodes and
using them to control devices...
Laughlin and David Attwell at University College London estimate that
neural signaling accounts for 80 percent of the brain's energy
use, whereas keeping those neurons charged and ready to fire takes only 15 percent.
These
signals obtained
using a
neural interface are essential for realizing brain - machine interfaces (BMI).
Reinforcement of addictive substance
use and stress
signaling involves common
neural systems, including the brain reward center.
In order to identify the grip types and to compare them with the
neural signals, an electromagnetic data glove was
used to record all the finger and hand movements of monkeys.
In future, this can be
used to generate
neural interface to read, interpret and control the motoric
signals.»
And we
use the
neural data from her brain and the map of her brain
signals we've generated to understand what she's trying to do and make that happen.
Nerve cells
use the movement of positively charged sodium and potassium ions across a membrane to create a chemical gradient that drives
neural signals.
Nerve cells
use the movement of positively charged sodium and potassium ions across a membrane to create an electrochemical gradient that drives
neural signals.
Briefly,
neural signals (action potentials and high - frequency local field potentials [Gilja et al., 2012, 2015]-RRB- were recorded from motor cortex
using intracortical microelectrode arrays.
Using a novel methodology, the researchers found an association between the disorder and a DNA marker that is very close to the dopamine transporter gene, which controls the intake of this important
neural messenger by the nerve cells that respond to dopamine's
signal.
The BrainGate research was praised for «enabling a new understanding of human brain function and the development of a novel, fully - implanted platform neurotechnology capable of wirelessly transmitting large numbers of
neural signals from multiple types of sensors for
use in Brain Computer Interface, epilepsy monitoring, and neuromodulation applications.»
The scientific community has learned a great deal about molecular
signals that can support regeneration of damaged
neural connections, but there is an urgent need to identify as many pro-regenerative
signals as possible because it is not clear which of these might actually translate to
use in patients.
Cortical development and cortical stem cells The laboratory
uses neural stem cell culture, transgenic model systems and retroviral vectors to study
signalling pathways that are central in mouse cortical development and in particular in cortical stem cells.
MEG
signals, collected while participants viewed single objects, were source - localised and RSA was
used to test how object information is represented by dynamically changing patterns of
neural oscillations.
In a talk with Reuters, Richard Yu, chief executive of Huawei's consumer business, explained that with the Kirin 970, the company
used what it calls a
Neural Processing Unit (NPU), which mixes technology, like classic computing, graphics, image and digital
signal processing units, into one single chip for reduced space and power consumption.
A new method developed by researchers at Lund University in Sweden makes it possible to recode
neural signals into a format that computer processors can
use instantly.
We
used functional magnetic resonance imaging to examine gender differences in the
neural processes of cognitive control during a stop -
signal task.