Sentences with phrase «electrode arrays in»

Liu and his team implanted a pair of small electrode arrays in two parts of the posterior parietal cortex, one that controls reach and another that controls grasp.

In 2004, surgeons placed a tiny 100 - electrode array in his primary motor cortex, the brain region that controls voluntary movement, to collect electrical impulses from nerve cells and send them to a series of signal processors.

I could imagine that with an electrode array in the right location in the brain, we might learn to understand the differences in neuronal spiking between normal and aberrant brains.

Not exact matches

The process involves putting a flexible tube in a patient's nose or mouth, and using a heatable electrode array to help decrease the amount of excess muscle tissue restricting air flow.

Each electrode in the array (above) records the activity of a single neuron.

Developed with colleagues at the Penn Epilepsy Center, the device measures brain activity using an array of 360 electrodes encapsulated in silk.

The prosthesis proposed by John Pezaris, an assistant in neuroscience at Massachusetts General Hospital (MGH) in Boston — at least as it's envisioned at this early stage — would be worn like a pair of eyeglasses, with digital cameras over a person's eyes that connect to an array of electrodes implanted in the brain.

These participants had electrode arrays implanted in their brains» motor cortex for the trial.

He recently implanted an array of electrodes about the size of a freckle in the motor cortex of two macaques.

Merging man and machine The spectacular successes of brain implants in primates has paved the way for new human trials, including one at Brown University, where neuroscientist John Donoghue is moving ahead with BrainGate, a minuscule array of tiny, spikelike electrodes implanted in the motor cortex.

In a new study by Flesher et al., microelectrode arrays were implanted into the primary somatosensory cortex of a person with spinal cord injury and, by delivering current through the electrodes, generated sensations of touch that were perceived as coming from his own paralyzed hand.

Also, the team plans to create devices with even higher density, including a double - sided microelectrode array with 64 electrodes per tine instead of eight — making for a total of around 4,000 electrodes placed in the brain at once.

Delgado implanted similar electrode arrays, or «stimoceivers,» in the brains of cats, monkeys, chimpanzees, and even human psychiatric patients.

One strategy has been to try to transform the electrodes from flat sheets into a forest - like array of carbon pillars, which are then wired together in long alternating rows to serve as negative and positive electrodes.

The team started by precisely placing arrays of 32 electrodes in four brain areas of the mice.

Despite these challenges, Moritz thinks that smaller electrodes, smart engineering — such as floating electrode arrays under the skull — and advances in wireless technology could provide an answer to paralysis in as little as 10 years.

A post-operation fluoroscopy shows an electrode array and neurostimulator implanted in Rob Summers.

So they conducted experiments in which the same subjects were asked to subvocalize the same series of words four times, with an array of 16 electrodes at different facial locations each time.

In late 2009, Harkema and Edgerton's team implanted the electrode array directly over Summers» dura.

Intracortical BCIs such as BrainGate use a tiny array of implanted electrodes to pick up the electrical activity of neurons in the motor cortex of the brain.

«Here you literally just put an insert in, pipette the cells through the top of the insert, and it deposits them with precision onto specific regions on the electrode array.

In this case, the array of sensors was formed of 21 ion - selective electrodes, including some with response to cations (ammonium, sodium), others with response to anions (nitrate, chloride, etc.), as well as electrodes with generic (unspecified) response to the varieties considered.

For the purpose of the study, Slomowitz grew a neural network on an array of electrodes and recorded the activity of single individual neurons in the network.

Each array contains 96 active electrodes that, in turn, each record the activity of a single neuron in the PPC.

They each had one or two baby - aspirin - sized electrode arrays placed in their brains to record signals from the motor cortex, a region controlling muscle movement.

In 1964, José Delgado, a neuroscientist from Yale University, stood in a Spanish bullring as a bull with a radio - equipped array of electrodes, or «stimoceiver,» implanted in its brain charged toward hiIn 1964, José Delgado, a neuroscientist from Yale University, stood in a Spanish bullring as a bull with a radio - equipped array of electrodes, or «stimoceiver,» implanted in its brain charged toward hiin a Spanish bullring as a bull with a radio - equipped array of electrodes, or «stimoceiver,» implanted in its brain charged toward hiin its brain charged toward him.

To research the regulation of various grip movements in these regions of the brain in detail, the activity was recorded from neurons with so - called multi electrode arrays.

So in his work with rhesus macaques, Schwartz developed an array of 100 electrodes that eavesdrops on 100 neurons in the motor cortex.

All of the cells on the electrode array came from the cortex, the outermost layer of the brain known for its role in memory formation.

Working on the internally - funded project for nearly a decade to develop the algorithms, software and stimulation sleeve, Battelle scientists first recorded neural impulses from an electrode array implanted in a paralyzed person's brain.

Using an array of hair - thin electrodes implanted in his brain, a 25 - year - old quadriplegic man was able to operate a computer, open and close a prosthetic hand, and manipulate a robotic arm just by thinking about it, according to a new study.

Led by Hong and Majaj, they implanted arrays of electrodes in the IT cortex as well as in area V4, a part of the visual system that feeds into the IT cortex.

In this case, one would start with an array of miniature electrodes built on an insulating surface.

BrainGate has developed a device, named after itself, which is composed of an «aspirin - sized array of electrodes» that is implanted in the motor cortex, the area of the brain primarily responsible for voluntary movement.

The prototype Erik first worked with in 2003 was bulky, comprising a webcam with a fixed field of view and a shoe box full of hardware that drove a basic 144 - electrode array, all connected and run through a laptop computer.

The Argus II artificial retina system leverages a video camera mounted a pair of glasses, a portable microprocessor and an electrode array implanted in the eye.

In this application, a nanotube film with an array of electrodes can be used as an electrically configurable diffraction grating for an infrared spectrometer, allowing the wavelength of light to be scanned without moving parts.

Scientists reported Wednesday in the journal Nature that they have been able to implant a chip in Burkhart's brain that sends signals to an array of 130 electrodes embedded in a «sleeve» he wears on his arm that has given him the ability to move his hand with significant accuracy.

The change in «heart rate» was measured using the highly sensitive electrodes in the microelectrode array.

[7] The screen holds microcapsules in a layer of liquid polymer, sandwiched between two arrays of electrodes, the upper of which is transparent.

Developmental changes in cerebrospinal fluid concentrations of monoamine - related substances revealed with a Coulochem electrode array system