Sentences with phrase «uses brain signals»

The device uses brain signals generated in the motor cortex to control a computer mouse directly, allowing him to communicate.
Brain - machine interfaces (BMIs) are computational systems that allow subjects to use their brain signals to directly control the movements of artificial devices, such as robotic arms, exoskeletons or virtual avatars.
For example, now that we've used brain signals to control an artificial arm, we can progress to experiments in which we change the properties of the arm or provide visual or tactile feedback to the animal, and explore how the brain adapts to it.»
We already know how to use brain signals to direct robots as they perform simple tasks, says University of California at Berkeley mechanical engineering professor Homayoon Kazerooni.

Not exact matches

By using methods and tools such as EEG or MRI, neuromarketing read electrical signals from the brain and analyze them to provide their clients with the answers they need.
Exercise could strengthen some of the pathways our brain uses to relay signals for recent events, or boost the size of certain brain regions that are key for learning and storing memories.
These aren't totally redundant and can be very useful sleep cues if used during a bed time routine instead of the main light - the lower light level helps to signal baby's brain that it is time for bed.
Fetuses use vitamin D in the womb for many important processes including regulation of the metabolism of neurotropic factors and neurotoxins, signaling neuronal differentiation, and protecting the brain from inflammation.
This is demonstrated in the studies reviewed in the special issue, which use computational models to examine brain processes, such as learning, emotion, dopamine signaling and information processing, and how processes interact in deficits underlying psychiatric disease.
Used medicinally, these toxins block pain signals from reaching the brain, yielding pain relievers more powerful than morphine.
But this team went further upstream in the brain's signaling chain and used signals from a patient's posterior parietal cortex (PPC).
While we're pretty good at distinguishing a signal from the noise (as is the ferret brain), putting two songs together eliminates cues that the brain uses to tell things apart.
Modafinil also indirectly alters the action of glutamate, the main neurotransmitter used by neurons in the brain to send signals down the line.
«They can read the motor signals in the brain and use them for prosthetic control.
«By taking the brain signals generated when Bill attempts to move, and using them to control the stimulation of his arm and hand, he was able to perform personal functions that were important to him,» said Bolu Ajiboye, assistant professor of biomedical engineering and lead study author.
Deep brain stimulation is used in Parkinson's disease to trigger brain cell activity and prevent the abnormal signalling that causes debilitating tremors, but placing the electrodes required is highly invasive.
University of Adelaide researchers have shown that it is possible for stroke patients to improve motor function using special training involving connecting brain signals with a computer.
The eight patients spent at least two hours a week using brain - machine interfaces, or devices controlled through their brain signals.
Elevated levels of ghrelin signal the brain that the body is using energy and will soon need more fuel.
By using a combination of advanced genetics, molecular approaches, and microscopy techniques, they found that this signaling pathway is used in the adult brain in a completely novel way.
The brain's precise speech center varies from person to person, so to find Ramsey's target area — the place where an implant could discern the appropriate speech signals — Kennedy used a functional magnetic resonance imaging (fMRI) scan.
Detailed looks at how the brain uses these waves raise the possibility of tweaking the signals with electrical nudges — interventions that could lead to therapies that can correct memory problems and mental illness, for instance.
The brain uses the chemical to communicate between cells, and dopamine signals different events depending on its location.
The researchers also wanted to see how the beneficial effects of cannabidiol may depend on changes in the molecular signaling processes that certain brain neurons use to communicate with each other.
But going via the nerves in the arm has the advantage of using the brain's usual channels of input, allowing the signal to be interpreted more naturally.
Once they are in place, Grunwald will record brain signals in real time during seizures and use the information to try to identify the epileptogenic tissue.
The results reveal that the brain does not require multiple signals to build a picture body ownership, as this is the first time the illusion has been created using sensory inputs from the muscle alone.
Incoming sound waves make the eardrum vibrate, and the eardrum delivers these vibrations using the ossicles to the inner ear where hair cells translate them into electric signals sent to the brain.
The human brain uses sensory signals to maintain and update internal representation of the body, to plan and generate movements and interact with the world.
Just as in sighted individuals using vision, the brain regions that play a critical role in processing the structure and geometry of objects are distinct from the brain regions that process the cues that signal the material properties of objects in blind echolocators.
There are some disadvantages, he says, to a system that uses a cap instead of a device implanted directly in the brain, such as the background signals that the cap might pick up.
Scientists in the US are planning to map the brain activity of the dragonfly as it hunts, using a specially built backpack to transmit electrical signals from the insect's active neurons to a computer.
In a 2014 study, he used brain stimulation to disrupt a rear portion of the temporal lobe and found that it is important for integrating incoming signals with knowledge from previous interactions.
It describes how the brain constructs a mental depiction of the surface using sensory signals from two fingers as they explore a surface over time and space.
TMS uses a magnetic coil placed on the head to increase electrical signaling a few centimeters into the brain.
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.
«All too often, in fact, data from the brain are analysed using linear methods, but the brain is a complex system that produce signals that are non-linear and dynamic in nature and analysing with these linear methods results in loss of information.»
«These technology - inspired neuroscientific investigations, using advanced signal processing methods, push the frontier on what we know about functional brain organization and the mind.»
Electrical and computer engineering Professor Barry Van Veen wears an electrode net used to monitor brain activity via EEG signals.
The device uses electrical stimulation to block the pain signals from reaching the brain.
To do so, he uses a microelectrode array that reads his brain's signals and sends them through wires to a gel sleeve that electronically stimulates his muscles.
The study, which used EEG caps to monitor the brain waves of sleepers in the brain's posterior «hot zone,» pinpointed a new signal that can accurately predict dreaming during non — rapid eye movement sleep.
The basic technology that Nicolelis and colleagues used to extract instructions for movement from the mishmash of monkey brain signals isn't new, says Jose Contreras - Vidal, a biomedical engineer at the University of Houston in Texas.
Using tissue - like mesh electronics, by comparison, researchers may be able to read signals from specific neurons over time, potentially allowing for the development of improved brain - machine interfaces for prosthetics.
The latest research reveals that the part of the brain that signals which direction you are facing, called the entorhinal region, is also used to signal the direction in which you need to travel to reach your destination.
Scientists already employ fMRI, which uses changes in blood flow as a proxy for brain activity, to scan the brains of restrained monkeys, but Berns wanted to train dogs to willingly enter the machine and learn simple things, such as associating a hand signal with a reward of a hot dog, all the while staying still enough to collect interpretable brain scans.
«They must have developed amplifiers that can amplify the signal better,» says Ethan Buch, a brain — computer interface researcher at the National Institute of Mental Health, who uses an EEG recorder with 64 sensors.
The electric brain signals, measured by using EEG, of males and females show differences.
For the new study, researchers from the University of Pittsburgh Medical Center (UPMC) in Pittsburgh used diffusion tensor imaging (DTI), an MRI technique that measures the integrity of white matter — the brain's signal - transmitting nerve fibers — to see if injuries to the nerves may be the root cause of these post-traumatic depression and anxiety symptoms.
«Maybe there is a way to use one drug to alter the mitochondrial signal and another drug to alter the communication signal from the brain,» he said.
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