Sentences with phrase «microelectrodes in»

Linsenmeier et al. [1] measured intraretinal PO2 with microelectrodes in cats with long - standing diabetes and concluded that the retina was hypoxic in the early stages of retinopathy.

A study published online Oct. 13 in the journal Current Biology describes how researchers used metal microelectrodes in a jumping spider's poppy - seed - sized brain to show that auditory neurons can sense far - field sounds, at distances up to 3 meters, or about 600 spider body lengths.

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

Not exact matches

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.

In addition to inflammation, previous microelectrode brain implants made of silicon or microwire have caused neuronal death and glial scarring, which is damage to connective tissue in the nervous systeIn addition to inflammation, previous microelectrode brain implants made of silicon or microwire have caused neuronal death and glial scarring, which is damage to connective tissue in the nervous systein the nervous system.

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 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.

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.

Using microelectrodes, the researchers recorded the electrical activity of pheromone - sensitive interneurons in male American cockroaches that relay signals of female - producing sex pheromones in the antennal lobe (functional homolog to the mammalian olfactory bulb) to higher - order centers.

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.

More than a decade ago microelectrode studies of rats and monkeys revealed place cells that respond when the animals move to a particular spot in a maze.

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

For example, in nonhuman primates, stimulation using microelectrodes improved face categorization (Afraz et al., 2006), modulated motion perception with great specificity (Fetsch et al., 2014), and increased the learning rate during a reinforcement learning task (Williams and Eskandar, 2006).

At the same time, she measured electrical signals in neighboring neurons using microelectrodes that can record small voltage changes across a neuron's membrane.

Students in courses routinely record the activity of nerves using a variety of extracellular amplifiers, and they record intracellularly from individual neurons using microelectrodes.

Australian neurophysiologist John Eccles and his colleagues in 1951 first managed to insert miniscule - tipped probes called microelectrodes directly into a neuron from the central nervous system to measure its responses to signals from neighboring neurons.

In a recent publication in the Journal of the American Chemical Society, researchers from Dynamic Biosensors and the Kurt - Schwabe - Institut Meinsberg have demonstrated the persistent electrical actuation of a large DNA - origami nanostructure on a gold microelectrodIn a recent publication in the Journal of the American Chemical Society, researchers from Dynamic Biosensors and the Kurt - Schwabe - Institut Meinsberg have demonstrated the persistent electrical actuation of a large DNA - origami nanostructure on a gold microelectrodin the Journal of the American Chemical Society, researchers from Dynamic Biosensors and the Kurt - Schwabe - Institut Meinsberg have demonstrated the persistent electrical actuation of a large DNA - origami nanostructure on a gold microelectrode.

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

Using microelectrodes to monitor individual neurons in the brains of owl monkeys, he found that the somatosensory cortex has a complete topographical «map» of the entire body surface, in which adjacent areas of the map responded to body parts that were next to one another, such as the fingers.