Sentences with phrase «of electrical stimuli»

When people use their muscles, the intensity of the electrical stimuli from the nerves to the muscles increases as the muscles become tired.

For more than a decade, he has embedded electrodes in slices of the hippocampus — which plays a role in learning and memory — and recorded neurons» responses to a wide range of electrical stimuli.

What's more, by controlling the timing of an electrical stimulus, Malenka and UCSF researchers conclusively demonstrated that they could cause more AMPA receptors to appear on the outer membrane of a receiving neuron — or, conversely, to disappear.

In brain research, these tools have been used successfully to regulate individual nerve cells in millisecond time scale using light instead of electrical stimulus.

Using a rodent model, Eftestøl et al. (2016) compared the effects of the same number of electrically - stimulated contractions (using the same magnitude of electrical stimulus) with either a high external load (isometric contraction) or a low external load (high - velocity contraction).

Not exact matches

«Modeling the rhythmic electrical activities of the brain: A new mathematical tool has been developed to help computational neuroscientists explore neural circuits» dynamic responses to stimuli.»

In this research, authors worked with electrical brain signals that allowed the activation of the presentation of visual stimuli in the iPad's touchscreen.

Patterns of electrical signaling by these neurons must represent the original sensory stimuli — that is, the patterns in the stimuli are encoded in the patterns of electrical signaling among the neurons.

In the study, the researchers show that after two to four weeks of 3 - D culture, the resulting muscle cells form muscle fibers that contract and react to external stimuli such as electrical pulses and biochemical signals mimicking neuronal inputs just like native muscle tissue.

To achieve this condition normally, one applies an external stimulus (optical or electrical) of a certain power, which should exceed a critical value termed the «optical - gain threshold.»

Axons, the long projections of neural cells which form the nerves of our peripheral nervous system, are like electrical cables: they have thick electrical insulation so that they can quickly relay stimuli from the body and signals from the brain to a toe, for example.

Localized stimulation of contraction, rendered possible by the greater spatiotemporal control of light stimuli over electrical stimuli, was used to drive directional locomotion and 2D rotational steering.»

Altogether, these tests suggest that the electrical fields that build up on bees due to their flight or movement are stimuli that could be used in social communication, the researchers report online this week in the Proceedings of the Royal Society B.

Implantable prostheses designed to deliver electrical stimuli directly to the auditory nerve hold considerable promise for people with a type of deafness in which the sensory hair cells of the inner ear are damaged

That consistent orientation is critical, because it ensures that when an electrical stimulus changes the length of one nanotube fiber, all of its neighbors change in the same way, causing the yarn to contract or expand.

But for postdoc - turned - entrepreneur Riccardo Signorelli and his mentor, Massachusetts Institute of Technology (MIT) electrical engineering professor Joel Schindall, the stimulus money looks more like a launching pad — one that they hope will blast a technology they have developed toward the goal of making a «transformative» difference in America's energy future.

A stimulus of electrical pulses was used to activate the part of the brain that controls movement in the right thumb.

The endeavor brings together neuroscientists with nanotechnology specialists and materials engineers to solve issues such as applying electrical stimulus to very small groups of neurons, which may make it possible to treat brain conditions with vastly improved precision.

During half the learning trials, focal electrical stimulation was given below the threshold that elicits an afterdischarge (i.e., a neuronal discharge that occurs after termination of the stimulus).

It means recording the signals that the brain is trying to send via the spinal cord, translating them into an electrical stimulus pattern that the nervous system understands, and then providing that pattern of electrical stimulation at some point below the level of the injury.

Researchers have identified a molecule that can transform the mechanical stimulus of a sound wave into an electrical signal recognizable by the brain.

In the BrainPort V100 vision aid system, a video camera positioned between the eyes connects to a processor that feeds electrical pulses to a plate on the tongue, where a dense network of sensory nerves picks up tiny stimuli.

We are very excited by the potential of this material for cardiac applications but the capacity of the material to deliver physiological electrical stimuli while limiting infection suggests it might have potential in a number of other indications such as repairing damaged peripheral nerves or perhaps even spinal cord.

Dublin — 9th March, 2018 — Researchers from AMBER, the Science Foundation Ireland - funded materials science institute have developed a new biomaterial which is capable of both regenerating tissues which respond to electrical stimuli (such as the nerves, spinal cord, heart, brain and muscles) as well as eliminating infection — an ever - growing problem in hospitals.

However, by combining a biomaterial with proven regenerative capacity, like collagen, with a material that can carry an electrical stimulus, it may be possible to transmit electrical signals across damaged tissue, resulting in functional restoration of the affected area.

cardiomyocytes exhibit decreased peak shortening and maximal velocity of shortening / relengthening, prolonged time - to - 90 % relengthening, reduced intracellular calcium release upon electrical stimulus associated with a slowed intracellular calcium decay rate, and significantly higher oxygen levelse, and significantly higher oxygen levels

«We start the muscle activation at the electrical stimulus, which is how the nerve activates the fibers, and this is the step in which we find the protective effect of acidosis,» Pedersen said.

This electrical flow carries information and also provides the stimulus that promotes the growth of these connections.

Cause of atrial fibrillation in dogs Atrial fibrillation is caused by an electrical stimulus to the atrium.

Because the response amplitude is so small (fractions of a microvolt) it is necessary to average the responses to multiple stimuli (clicks) to unmask them from the other unrelated electrical activity that is also present on the scalp (EEG, muscle activity, etc).

Because sound or electrical stimuli, or yellow - and - black stripes on your wetsuit, or any of the other cockamamie ideas - none of them have been shown to work reliably in deterring shark behavior.»

Brain Electrical Activation Profile (BEAP) test --(aka P300 Waves test) The measurement of brain activity to indicate whether the suspect recognizes a visual or auditory stimulus.

Imprinted animals later responded to the presentation of the learned stimulus with enhanced brain electrical and metabolic activity (see Sullivan et al. [128] for a review).