Sentences with phrase «computer cursors»

«Computer Cursors Spazz Out in Yung Jake's Video Installation at Steve Turner Contemporary», Complex, May 5 Frank, Priscilla.
Jillian Mayer's video is of the nude artist strolling down a beach, pursued and gradually covered by computer cursors.
Computers then interpret this activity via algorithms to generate signals that can control various tools, including robotic limbs, powered wheelchairs or computer cursors.
A decoder translates these neural signals into commands that move computer cursors and prosthetic limbs.
Of course, you can implant sensors inside someone's skull for the best readings of all; immobilized patients have successfully manipulated computer cursors and robotic arms using this approach.
It's a marriage of two technologies, one that uses bursts of light to turn on genes, and one that enables people to control external devices, such as computer cursors or robot arms, with their minds using «brain - computer interfaces.»
A future wireless device could be built to remain inside a person's head for a longer time to be able to control computer cursors or robotic limbs at home.
Still other technologies use brain implants similar to those in the new study, but to control robotic arms, external skeletons, or computer cursors, rather than the patient's own muscles.
The participants, a 51 - year - old woman who retained some movement in her fingers and wrists and a 54 - year - old man who could still move one of his index fingers slightly, are participants in the BrainGate2 trial, which is testing a neural interface system allowing thoughts to control computer cursors, robotic arms and other assistive devices.
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.
EEG is less invasive and less expensive than the implanted electrodes, which have previously been used to control robotic arms and computer cursors by thought alone, he says.
By just thinking about, or saying, certain words, people can control a computer cursor.
By claiming that he could pry information from the brain without drilling deep inside it — information that could allow a subject to move a computer cursor, play computer games, and even move a prosthetic limb — Schalk was taking on «a very strong existing dogma in the field that the only way to know about how the brain works is by recording individual neurons,» Schmeisser vividly recalls of that day.
«The day before his first attempt at using the intracortical BCI for controlling a computer cursor, I described to T5 that the system was going to be recording from a part of the brain that was responsible for coordinating hand and arm movement,» Brandman said.
Now, Sorto is able to execute advanced tasks with his mind, such as controlling a computer cursor; drinking a beverage; making a hand - shaking gesture; and performing various tasks with the robotic arm.
In recent years, scientists have worked to create devices called brain - machine interfaces (BMIs) that can pick up these interrupted electrical signals and control the movements of a computer cursor or a real or virtual prosthetic.
He could move a computer cursor, play a video game, open e-mails, draw a crude circle, operate a television remote control, and even move a prosthetic hand and arm — using nothing other than his will.
After recovering from the surgery, the patient was trained to control the computer cursor and the robotic arm with his mind.
The arrays were connected by a cable to a system of computers that processed the signals, decoded the intent of the subject, and controlled output devices that included a computer cursor and a robotic arm developed by collaborators at Johns Hopkins University.
Previous studies have shown that BrainGate can allow paralyzed people to perform simple tasks such as moving a computer cursor.
In 2002 Donoghue reported that he had successfully trained monkeys to move a computer cursor using only their thoughts.
During training sessions for BrainGate, the computer software learns to associate patterns of neural activity with the intent to move a hand in a particular direction; it can use those intentions to pilot a computer cursor or, if all goes as planned, a motorized wheelchair.
Nagle often took two to three times as long as an able - bodied person would to move the computer cursor, and its trajectory often zigzagged wildly.
Researchers have previously inserted single electrodes into paralyzed people, providing them with limited computer cursor control.
The neural signals recorded by the electrodes are transmitted via a cable to a computer where algorithms developed in Shenoy's lab decode the participant's intentions and translate the signals into movements of a computer cursor.
In Atlanta, researchers at Emory University have helped a man severely disabled by a stroke communicate by having his brainwaves power a computer cursor.
In March 2002, the journal Nature detailed the work of scientists at Brown University in Rhode Island who implanted electrodes in the brains of monkeys that allowed the primates to move a computer cursor just by thinking about it.
At Massachusetts General Hospital doctors have started clinical trials on human volunteers to test brain implants that give paralyzed people the ability to control a computer cursor with thought alone.
Just by imagining the movements needed to move a computer cursor, they were able to direct a multi-degree of freedom robot arm to execute the maneuvers needed to play the game.
That motion triggers the computer cursor to move to a row or column on the monitor that illustrates what he's trying to express.
Class was over, and I was alone at the coffee shop with my computer cursor blinking under the title «Chapter 2.»

Not exact matches

It has Chiclet - style keys similar to the keyboard on previous Apple laptops, and there's even a trackpad on the right - hand side, which you can use to move a mouse cursor on a computer.
Instead of having to type in the entire Web address, URL, or Domain name into your browser's address bar, you can click a «Web link,» using your computer's cursor (or just touch it with your finger if you use a tablet) in order to visit a new Web page.
Previous efforts using BCIs have focused on moving computer screen icons such as cursors, but Miranda's team sought to achieve the much more complex task of enabling users to play and compose music.
Using software, the hand can be moved across the vest like a cursor across a computer screen, touching and probing sensors along the way.
In this study, Dr. Dimitriou monitored spindle signals in humans while they learned to control the position of a visual cursor by moving their hand (much like using a computer mouse).
Other investigational BrainGate research has shown that people with paralysis can control a cursor on a computer screen or a robotic arm.
The research team used a brain - computer interface (BCI), where subjects move a cursor on a computer screen by thought alone.
He heard the phonemes blare from computer speakers and, at the same time, could see his neural signals directing a cursor to the symbol for the sound (like «ooh» or?
The computer monitors slow cortical potential, a component of the brain's electrical activity; when the SCP is positive, a cursor travels from the bottom to the top of the screen; if neutral, it goes the other way.
Participants then had to apply about 4 pounds of muscle force to the handles to move an electronic cursor on a computer screen to a target.
K - Glass 2 detects users» eye movements to point the cursor to recognize computer icons or objects in the Internet, and uses winks for commands.
The task involved using a joystick to move a cursor on a computer screen.
Within 40 milliseconds, the computer calculated the intentions transmitted through the signal and updated the movement of the cursor on the screen.
The patients were asked to move a mouse cursor on a computer screen by using only their thoughts to control the cursor's movement.
For example, targets randomly appeared on a computer screen and the subjects had to move the cursor to click on the target.
Resulting neural signals from the motor cortex were electronically extracted by the embedded recording devices, transmitted to a computer and translated by Shenoy's algorithms into commands directing a cursor on an onscreen keyboard to participant - specified characters.
These signals were transmitted to a computer via a cable and translated by algorithms into point - and - click commands guiding a cursor to characters on an onscreen keyboard.
The software allowed the men to move a cursor around a computer screen with far more facility than had been achieved in previous experiments with implanted electrodes in humans.
Schiff's team helped him acquire a head mouse, which allows him to use a computer by moving his head to control the cursor.
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