Sentences with phrase «by brain signals»

In the case of this drone, that guidance was provided solely by brain signals, collected by an EEG (electroencephalogram) cap and processed by recording equipment provided to the students by Advanced Brain Monitoring (ABM), a Center for Sensorimotor Neural Engineering (CSNE) industry affiliate.

He and colleagues reveal that eight Brazilians paralyzed because of spinal cord injuries regained some small but significant sensation and muscle control in their lower limbs after many months of training with the robotic exoskeleton, and by a virtual reality avatar also controlled by brain signals.

Various groups are working on developing wheelchairs, robots and computers that can be controlled by brain signals alone.

Errors can also result from respondents not knowing the answers to questions or focusing on both answers, or by the brain signal transmission being interrupted by hardware problems.

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.

Rather, the headsets could help doctors understand how the brain's signals are affected by the drugs.

If you work from home, you miss this benefit, so fake it by creating some sort of simple morning ritual that you can do before you get down to business, to signal to your brain it's time to get serious.

Our bodies are a precisely arranged set of organs that are run by our incomprehensible brain, sending out the proper hormone or signals at just the right time or when there is a need.

The percipient qua external event is an effect of other events (e.g., light signals must reach the retina and brain for the wall to be green); and perceiving is conditioned by the percipient and its causal relations.

It utilizes the Gate Theory of Pain Control by gently stimulating your sensory nerves to suppress or block the pain signal to the brain.

It works by picking up signals sent from your brain when you think about saying something

What we see is not only based on the signals that our eyes send to our brain, but is influenced strongly by the context the visual stimulus is presented in, on our previous knowledge, and expectations.

The trick is to teach the user how to associate particular brain signals with specific tasks by presenting a repeating stimulus — auditory, visual or tactile — and getting the user to focus on it.

Compared to the brains of people without bipolar disorder, the researchers found that the MRI signal was elevated in the cerebral white matter and the cerebellar region of patients affected by bipolar disorder.

We perceive sound after vibrations in the inner ear are detected by «hair cells» and transmitted to the brain as electrical signals.

Sliman Bensmaia at the University of Chicago, Illinois, has restored a sense of touch in macaques by routing signals from a prosthesis directly to the brain.

Refined carbs can make you hungrier by interfering with messages the digestive system sends to the brain to signal it's time to put down the doughnut.

Modafinil also indirectly alters the action of glutamate, the main neurotransmitter used by neurons in the brain to send signals down the line.

Like ECOG, EEG relies on brain signals picked up by an array of electrodes that are sensitive to the subtle voltage oscillations caused by the firing of groups of neurons.

Electrical signals between neurons generate electric fields that radiate out of brain tissue as electrical waves that can be picked up by electrodes touching a person's scalp.

We know that in the human brain there are about one hundred billion neurons that communicate by means of electrical signals.

«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.

The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.

Surviving axons may compensate for the damage by increasing electrical signaling and thus restoring the normal speed of information processing in the brain.

A team led by Brown University neuroscientist John Donoghue has implanted sensors in the brains of four quadriplegic patients that connect signals from the motor cortex to output devices, thereby enabling paralyzed patients to move computer cursors, control robotic limbs, and operate wheelchairs.

Seeking to combine DBS's deep - brain targeting with TMS's noninvasiveness, Boyden's MIT team, led by bioengineer Nir Grossman, took advantage of a well - known property of neurons: They respond only to low - frequency electrical signals.

In nerve cells, opening ion channels is a crucial step in generating action potentials — the signals by which the cells communicate in the brain.

The diet increased the levels of leptin — a hormone produced by fat cells that usually signals satiety in the brain — in the bone marrow, which promoted the development of fat cells instead of bone cells.

The hair cells formed normal bundles (see images) that responded to sound waves and signaled the brain, as measured by electrical recordings.

To discover this, Hui Liu, Gene Robinson, and Eric Jakobsson of the University of Illinois developed new computational tools to analyze patterns of gene conservation across a wide range of animals, for genes activated and inhibited in the honey bee brain by exposure to a chemical communication signal that triggers alarm.

Unattached Gruesomely nicknamed internal decapitation, this kind of injury often kills by severing the spine, impeding signals sent by the brain that tell the lungs to breathe from reaching their destination.

The neural signals captured by the implant had been produced by the macaques» brains to direct their arm movements.

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 finding, published in the Proceedings of the Royal Society B by McGill researchers, highlights how learning and experience, including developmental auditory experience, can shape how the brain perceives vocal signals.

The slow signal, carried to the brain by so - called C - tactile fibers, part of the peripheral nervous system, reminded the body to protect the injured site until it could heal.

«The protein travels by diffusion through the cells like electrical signals travel through the brain,» Zeng says.

The change is translated into an electrochemical signal that is picked up by nerve cells, which relay it to the brain.

«By going directly to the brain, we have potential access to a much richer set of control signals that represent the actual movement the patient is attempting to make.»

In the new study, the team focused on neurons called amacrine cells and horizontal cells, which have a known role in «preprocessing» — or adjusting — electrical signals transmitted to the brain from the photoreceptors after they have been stimulated by light photons.

In contrast, slower 12 to 30 Hz beta waves are the messages that help keep us on task by guiding the brain toward the sensory signals worth paying attention to.

Evolution has invested the brain's anatomy with remarkable energy efficiencies by positioning those areas most likely to communicate closer together; the closer neurons are to one another, the less energy they need to push a signal through.

As well as offering a way to create souped - up organisms, changing neural connectivity could one day allow us to treat brain damage in people by rerouting signals around damaged neurons.

Parkinson's disease is caused by the death of neurons in the brain that produce dopamine, a chemical that shuttles signals between neurons and is responsible for controlling the body's movement.

Recent studies have shown that macaques can also regain a sense of touch by having electrical signals from a prosthesis routed directly to their brains.

It is a product of all five senses (hearing included) interacting in unexpected ways, those sensory signals subject to gross revision as they are integrated by the brain into one complex, sometimes wonderful perception.

Multiple sclerosis (MS) is caused by immune cells that activate a cascade of chemicals in the brain, attacking and degrading the insulation that keeps neuronal signals moving.

Cocaine is thought to work its seduction in part by transiently increasing levels of a nerve - signaling substance called dopamine, which communicates feelings of pleasure in the brain.

This, Gather says, would make it easier to develop direct human - to - machine interfaces, in which a brain's neurons signal their operation with flashes of laser light, to be captured by an exterior device.

It measures blood flow to the brain by sending light signals from sensors mounted in a 3 - pound headcap, then producing images of blood oxygen changes — representing brain activity — by recording the absorption of light at different colors.

The researchers hope to realize that promise by further manipulating the owls» brains to determine the actual neurotransmitters and receptors involved in signaling attention.