Sentences with phrase «of electrical nerve»

Patients with SCI underwent 30 minutes of electrical nerve stimulation therapy five days a week for six weeks on one limb.

Not exact matches

They send a high level of electrical impulses from peripheral nerve endings to the brain, which could produce an anti-depressant effect.
His fate changed after a friend of his father's loaned him a machine called a TENS, short for transcutaneous electrical nerve stimulation.
Reductionist analyses are analyses of the objective aspects of living organisms such as the conduction of electrical impulses in nerves or the biochemistry of the formation of blood.
A mechanistic physiologist analyses my sitting at my word processor in terms of light waves hitting my retina from the keyboard and the screen which then set in train chemical and electrical processes in my nerves and brain.
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.
I had only paracetamol and a TENS (transcutaneous electrical nerve stimulation) machine for pain relief and the water, of course.
Increased plasma levels of oxytocin in response to afferent electrical stimulation of the sciatic and vagal nerves and in response to touch and pinch in anaesthetized rats.
A recent study comparing women's choices of pain relief in midwife - led and consultant - led units in Ireland showed that when women were offered other options such as hydrotherapy and transcutaneous electrical nerve stimulation, fewer women chose epidural analgesia [9].
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.
Neuroscience focused on the nuts and bolts of the brain: how nerve cells communicate with electrical and chemical pulses, how brains learn and calculate and remember.
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.
The nonsense in dreams is caused by random electrical noise in nerve cells, asserted Hobson, a kind of cellular static; repression had nothing to do with it.
Nerve cells communicate by means of electrical impulses, which are transmitted along neural processes known as axons.
An electrode «cuff» that clamps around the outside of nerve bundles is also being tested but because the electrodes don't enter the nerves, greater changes in electrical input are needed for stimulation.
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.
Contracting muscles of the heart, diaphragm and limbs; ion pumps that maintain the electrical properties of nerves; and biochemical reactions that break down food and synthesize new tissues (to name a few) generate body heat continuously.
So far, researchers with the Allen Institute for Brain Science in Seattle have described the intricate shapes and electrical properties of about 100 nerve cells, or neurons, taken from the brains of 36 patients as they underwent surgery for conditions such as brain tumors or epilepsy.
In a human brain, 85 billion nerve cells communicate via trillions of connections using complex patterns of electrical jolts and more than 100 different chemicals.
Scores of laboratories at universities and in private industry are uncovering how to use these cells, which transform into neurons, astrocytes (the cells that regulate transmission of electrical impulses in the brain) and oligodendrocytes (which insulate nerve fibers with a fatty coating).
When the recipient operates the device, it applies a continuous electrical current — at varying frequencies and intensities — to specific regions in the lower spinal cord where there are dense bundles of nerves that control the hips, knees, ankles and toes.
In comparison, rats given the same chemical and electrical treatment but trained on a treadmill were unable to move voluntarily as there was no regrowth of nerve fibres.
The disability score ranged from 0 (no disability) to 88 (severely disabled) and incorporated measurements of sensation, muscle power, tendon reflexes and electrical activity in the leg nerves.
As long as the pulse activates enough nerves it will have performed its role, but as each waveform uses a different amount of electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery power.
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.
That's when two researchers at Uppsala University, Åke Vallbo and Karl - Erik Hagbarth, discovered the process of microneurography and used it to record electrical impulses from people's peripheral nerves.
The same information can be represented as lines on paper, as electrical charges inside a PC's memory banks or as the strength of the synaptic connections among nerve cells.
Instead, the triangular module applies pulsed electrical currents to the electrodes, targeting nerves on the face and neck that then modulate some of the hormones underlying the fight - or - flight response.
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.
Nerve cells exchange information with each other in the form of electrical signals via so - called synapses.
Commercial versions typically employ an array of electrodes, each of which channels electrical signals corresponding to a different pitch toward the auditory nerve.
A man in a vegetative state for 15 years has been able to open his eyes, move his head, and even try to smile, after electrical stimulation of his vagus nerve
In their study, Mazzolini and co-workers found that depending on the region of the cell being hit by the light, the electrical response of the nerve changes.
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.
This fatty substance ensures electrical conductivity of the nerve fibers.
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.
It's the electrical output of these nerve cells that puts the fly to sleep.»
«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.
The wires enabled the researchers to monitor the electrical activity of individual nerve cells in the medial temporal lobe and to detect neurons that would respond more to the perception of one person than to that of another.
Researchers at the Niels Bohr Institute at the University of Copenhagen have now conducted experiments that raise doubts about this well - established model of electrical impulses along the nerve pathway.
The answer is that they all affect the ability of nerves to transmit electrical impulses by affecting the ion channels in nerves.
Based on years of scientific research into the root causes of the condition, the device uses precisely timed sounds and weak electrical pulses that activate touch - sensitive nerves, both aimed at steering damaged nerve cells back to normal activity.
In brain research, these tools have been used successfully to regulate individual nerve cells in millisecond time scale using light instead of electrical stimulus.
Specifically, the research sheds light on the role of RPM - 1 in the development of axons or nerve fibers — the elongated projections of nerve cells that transmit electrical impulses away from the neuron via synapses.
In an electroencephalogram (EEG)-- a recording of the brain's electrical activity — the synchronous rhythm of the nerve cells manifests as a periodic pattern.
In cases of severe to profound hearing loss where there is no benefit from conventional amplification (i.e. hearing aids), cochlear implantation that uses direct electrical stimulation of the auditory nerve has proven successful and selected older patients are among those who can benefit, according to the study background.
Our studies help us to understand how the nerve cells in the entorhinal cortex operate and how electrical activities might get interrupted in this area of the brain.»
«We measured the electrical activity of groups of nerve cells within the subthalamic nucleus in patients with Parkinson's disease, who had recently been treated with deep brain stimulation.
Several groups of fish have evolved the capacity to generate electrical pulses from specialised «electric organs», derived from either muscle tissue or nerve tissue.
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