Sentences with phrase «microelectrode arrays»

Dec. 12, 2017 - Thin - film microelectrode arrays produced at Lawrence Livermore National Laboratory (LLNL) have enabled development of an automated system to sort brain activity by individual neurons, a technology that could open the door to recording and analyzing unprecedented amounts of neural signals over time...

But the number of neurons at a time with which microelectrode arrays can interface must be increased several-fold while making sure the scale - up does not cause damage to brain tissue.

Thin - film microelectrode arrays produced at Lawrence Livermore National Laboratory (LLNL) have enabled development of an automated system to sort brain activity by individual neurons, a technology that could open the door to recording and analyzing unprecedented amounts of neural signals over time...

Briefly, neural signals (action potentials and high - frequency local field potentials [Gilja et al., 2012, 2015]-RRB- were recorded from motor cortex using intracortical microelectrode arrays.

The device, part of the Lab's iCHIP (in - vitro Chip - Based Human Investigational Platform) project, simulates the central nervous system by recording neural activity from multiple brain cell types deposited and grown onto microelectrode arrays.

In addition, the polymer - based material, called Parylene C, is less invasive and damaging to surrounding cells and tissue than previous microelectrode arrays comprised of silicon or microwires.

Researchers at the University of Southern California Viterbi School of Engineering have developed thin, flexible polymer - based materials for use in microelectrode arrays that record activity more deeply in the brain and with more specific placement than ever before.

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.

At the same time, the activity of hundreds of nerve cells was measured with so - called microelectrode arrays.

What's more is that each microelectrode array is made up of eight «tines,» each with eight microelectrodes which can record from a total 64 subregions of the brain at once.

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.

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.

Lawrence Livermore National Laboratory researchers Heather Enright (left) and Anna Belle hold the brain - on - a-chip device and a microelectrode array.

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

Not exact matches

Microelectrodes in a clear silicon array rest on the brain surface.

We recorded neural population activity with arrays of microelectrodes implanted in the PPC of a tetraplegic subject.