Sentences with phrase «electrode array»

Neural prosthetic devices, which include small electrode arrays implanted in the brain, can allow paralyzed patients to control the movement of a robotic limb, whether that limb is attached to the individual or not.

Researchers use an fMRI scan to place a pair of small electrode arrays in the brain.

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.

Reference: A. Srinivasan, L. Guo, and R. V. Bellamkonda, «A Novel Microchannel - Scaffold Electrode Array for Peripheral Nerve Interfacing,» Society for Biomaterials 2011 Annual Meeting & Exposition, Orlando, Florida, April 13 - 16, 2011.

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.

Robinson, J.T., Jorgolli, M., Shalek, A.K., Yoon, M.H., Gertner, R.S., and Park, H., «Vertical Nanowire Electrode Arrays as a Scalable Platform for Intracellular Interfacing to Neuronal Circuits,» Nature Nanotech.

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.

Jonathan Miller, assistant professor of neurosurgery at Case Western Reserve School of Medicine and director of the Functional and Restorative Neurosurgery Center at UH, led a team of surgeons who implanted two 96 - channel electrode arrays — each about the size of a baby aspirin — in Kochevar's motor cortex, on the surface of the brain.

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

Among their goals for this system are: a higher density electrode array to allow for more precise targeting on neurons, new recording circuits that vastly increase the volume of data captured, and a new wireless power and telemetry technology that allows for real - time data transmission from the brain.

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.

Schurink's new µSEA (micro sieve electrode array) has been tested with living cells, from the brains of laboratory rats.

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.

They've also put more complicated electrode arrays into monkeys (ScienceNOW, 8 July 2004).

In that trial, Rob Summers, a young man paralyzed below his chest, had a 16 - electrode array implanted on his spinal cord.

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

Joel Burdick, a mechanical engineer at Caltech, and his colleagues are developing an electrode array to do just that.

Andersen is still preparing a second round of animal tests to prove the electrode array works.

This electrode array, called BrainGate, reads brain waves and sends them to a computer that translates them into commands.

The electrode array and its remote control essentially replace the brain, which would normally call the shots.

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

With the electrode array turned on, the spinal cord was awakened.

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

But on just his first attempt to stand, the electrode array got Summers» neurons talking.

«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 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.

With support from NIBIB, Edgerton, along with collaborators Joel Burdick and Y.C. Tai, professors of mechanical and electrical engineering and bioengineering at Caltech, are also working to develop a new high - density, 27 - electrode array in rats to determine if it can provide finer, more robust control of locomotion.

But in this case the aircraft is piloted by 25,000 rat neurons in a tiny dish, hooked to an electrode array hardly bigger than the head of a pin.

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.

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.

Neurosurgeons attached the electrode array, called BrainGate, to a small pedestal on top of each patient's head, from which wires stretch to a computer.

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.

A quadriplegic patient outfitted with an electrode array (top) was able to operate a computer.

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.

Participants had either one or two tiny (one - sixth - inch) electrode arrays implanted on the surfaces of their brains.

The participants were implanted with an electrode array for epidural stimulation, and individual configurations for stimulation were identified for each participant.

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.

An implant system consists of an external speech processor, located entirely behind the ear, and an internal, surgically implanted electrode array.

Ivanovskaya said she and the team tested four different modifications of the electrode array before settling on the right one.

Electrode arrays, to detect and administer electrical current, were implanted in the brains of the mice and researchers observed heightened electrical activity emerge right before the mice began binge eating, peaking the second prior to taking a bite.

Halpern and his team programed the electrode arrays to send 10 - second pulses of electrical current to the brain's reward center, the nucleus accubmens, whenever the electrical activity increased in the mice's brains.