Sentences with phrase «electrical nerve signals»

Until recently, it was unclear how the physical pressure of a light touch gets transduced from a mechanical force to an electrical nerve signal in Merkel discs.

Not exact matches

In animal studies, too much fibrin in the central nervous system has been associated with breakdown of the myelin sheath that surrounds the nerves and allows them to conduct electrical signals properly.

Traditional implants rely on a series of electrodes that lie directly against the membrane of the inner ear, and use electrical signals to stimulate the auditory nerves lying beneath.

When Sørensen used the hand to grasp an object, electrical signals from the pressure pads fired directly into his nerves, giving him a sense of touch.

For the first time, a person who lost his hand has had a near - natural sense of touch restored thanks to a prosthesis that delivers electrical signals straight to individual nerves.

The human body is a complex electrical network: Nerve cells shuttle signals from the brain, and pulses in the heart cause its muscle cells to expand and contract.

Instead, they translate sound into electrical signals that are used to electrically stimulate the cochlea — a spiral - shaped part of the inner ear attached to the auditory nerve.

The team reported in Molecular and Cellular Proteomics that, compared with controls, PGD mice were more forgetful, heavier and had less myelin (a fatty coating on nerves that allows electrical signals to move quickly across nerve cells).

Four HCN genes that code for proteins which form ion channels in neurons could be involved, because these channels are vital for electrical signalling in nerves.

This fatty material is an insulator covering and modulating a part of the nerve cell called the axon, which transmits electrical signals to other cells.

On one level, there's the dynamics of electrical currents that constitute the main signaling method of the brain's nerve cells.

But the increased mental muster did not come from neurons, the lanky nerve cells that swap electrical signals and stimulate muscles.

Nerve cells exchange information with each other in the form of electrical signals via so - called synapses.

In mammals, proteins called ion channels embedded in the cell membrane translate temperature information into electrical signals that activate nerve cells.

Commercial versions typically employ an array of electrodes, each of which channels electrical signals corresponding to a different pitch toward the auditory nerve.

Nerve cells in the brain, or neurons, are known to communicate among themselves by transmitting electrical signals, aided by chemical signaling at the synapses connecting the neurons.

The first step is to create an «adapter cord» that can translate the body's nerve impulses into electrical signals that can be processed by the prosthetics.

Once a specific threshold is reached, an electrical signal travels down the axon — the nerve fibers within the neuron — and the neuron fires.

The brain controls movement by sending electrical signals to our muscles through nerve cells.

Electrodes are surgically implanted into or on top of target nerve fibres, ready to sense electrical signals from neural activity or to deliver electric current that mimics the language of the nervous system.

«According to the theory of this ion mechanism, the electrical signal leaves an inactive region in its wake, and the nerve can only support new signals after a short recovery period of inactivity.

Special software is able to decode his thoughts and convert them into electrical signals in his hand, bypassing the damaged nerves in his spine.

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.

Nerves and other electrically - excitable cells communicate with one another by transmitting electrical signals, and sodium channels play a vital role in this process.

NERVE PROTECTORS The glowing cells in this micrograph of a mouse's optic nerve help shield electrical signals passing between eyes and bNERVE PROTECTORS The glowing cells in this micrograph of a mouse's optic nerve help shield electrical signals passing between eyes and bnerve help shield electrical signals passing between eyes and brain.

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.

Measurements of the electrical activity of nerve cells in two key areas of the brain showed a surprising result: nerve cells in the prefrontal cortex signaled the distraction while it was being presented, but immediately restored the remembered information (the number of dots) once the distraction was switched off.

These are the junctions between two nerve cells where electrical signals are transmitted.

He said electrical signals produced by the ear could be connected to a patient's nerve endings, similar to a hearing aid.

Shenoy's lab pioneered the algorithms used to decode the complex volleys of electrical signals fired by nerve cells in the motor cortex, the brain's command center for movement, and convert them in real time into actions ordinarily executed by spinal cord and muscles.

When these photoreceptors detect light, they send a signal to specialized neurons in the retina called retinal ganglion cells, or RGCs, which then transmit visual information to the brain by firing electrical pulses along the optic nerve.

A1 bathwater also impaired the development of yet another class of non-neuron brain cells called oligodendrocytes — essentially fat - filled flapjacks that wrap themselves around nerve fibers, providing electrical insulation that speeds long - distance signal propagation.

Some of the cells in this layer (the photoreceptors) convert light into an electrical signal that is then amplified and processed by other cells before being sent to the brain via the optic nerve.

The cochlea has the all - important job of transforming mechanical energy in the form of sound waves into electrical signals that run along auditory nerves to the brain.

Nerve cells rely on ion channels and pumps to orchestrate the continual ebb and flow of charged particles across the cell membrane, which enables the electrical signaling that nerves use to communicate.

During the renal denervation procedure with the Symplicity device used in this trial, a catheter is threaded through arteries to deliver radiofrequency energy that inactivates kidney nerves, interrupting electrical signals to and from the kidney, an organ that performs a major role in regulating blood pressure.

The electrical signals must then be sent to another processing chip that converts the strength of the signals to a digital stream of pulses that is only then sent on to peripheral nerves or brain tissue.

Specialised cells that could carry messages using electrical impulses and chemical signals — the first nerve cells — arose very early on.

Nerve cells communicate by using electrical signals.

They are then converted into electrical signals within the inner ear and transmitted to the brain by the auditory nerve.

Rose and neuroscience doctoral student Rishi Alluri used a novel combination of recording electrical activity of single brain cells and blocking neurotransmitter chemicals that carry nerve signals from one nerve cell or neuron to the next.

As the protective sheath — best imagined as the insulating material around an electrical wire — wears off, the nerve signals slow down or stop, and the patient's vision, sensation and use of limbs get impaired.

In general, a neuron spikes, meaning it it sends an electrical signal that travels down a nerve fiber, when cued by a sensory element.

When an electrical signal arrives at a nerve terminal and needs to be passed along to the next neuron, neurotransmitters, or chemical messengers, packed in vesicles mediate this process.

These two disparate advances were important to the work of two Nobel Prize winners, Alan Hodgkin and Andrew Huxley, who showed how the flow of sodium and potassium across the membranes of nerves can be coupled to produce the action potential, a brief electrical event that initiates the action potential, which propagates the nervous signal.

By determining the structure of a protein involved in modulating the electrical signals sent from one nerve cell to another, scientists have resolved, in exquisite detail, a mechanism responsible for...

Nerve cells communicate by transmitting chemical and electrical signals.

Synapses are structure that permits nerve cells to pass an electrical or chemical signal to another cell.

Differentiation — A process that occurs during development by which cells take on their specialized functions, such as the ability of a red blood cell to carry oxygen or a nerve cell to send an electrical signal.

Experts believe that the electrical current may overstimulate the nerves that sense pain, confusing the brain in the process and blocking out the real pain signals.