Sentences with phrase «signal transmission in»

They are generally mixed cell tumors containing both neural ganglionic cells (cells that arise from ganglion) and neural glial cells (they provide protection and nutrition to neurons and participate in the signal transmission in the nervous system).

They have identified two gaseous messenger substances that play an important role in signal transmission in the nerve cells, i.e., nitric oxide and hydrogen sulfide.

Myelin disorders can affect nerve signal transmission in the brain and spinal cord, leading to cognitive, motor and sensory problems.

The slow speed of spikes (they travel about one foot per second in axons that lack the insulating sheathing called myelin) is one hundred - millionth the speed of signal transmission in digital computers.

«Today it is State of the Art and we are able to quantify disturbances in serotonin signal transmission in the brain as the cause of depression and anxiety disorders.»

Not exact matches

In a universe for which action at a distance is impossible and the transmission of signals is limited by the speed of light?

Throughout childhood Myelin continues to be build around the axons and dendrites in your child's brain to improve the transmission of nerve signals.

Microwave ovens that are in - use and metal frame buildings can both impede signal transmission.

The National Broadcasting Commission, NBC, has ordered Daar Communications, owners of AIT and RayPower, to stop the test transmission of its FM signals in Yola, the...

«Such losses are particularly critical in the auditory system, because they reduce the temporal precision of signal transmission — and the quality of our perception of the acoustic environment is primarily dependent on rates of action potential generation and precise neural computation of their temporal sequences.»

The semiconductor gallium arsenide (GaAs) is widely used, for instance in infrared remote controls, the high - frequency components of mobile phones and for converting electrical signals into light for fibre optical transmission, as well as in solar panels for deployment in spacecraft.

An Ludwig - Maximilians - Universitaet (LMU) in Munich study reveals that sound - evoked activity of neurons in the auditory system of the mouse increases the thickness of their myelin sheaths — and enhances the speed of signal transmission — both during development and in the adult brain.

Although a cell phone is much less powerful than TMS, the question still remains: Could the electrical signals coming from a phone affect certain brainwaves operating in resonance with cell phone transmission frequencies?

As SNX27 plays an important role in shuttling the AMPA - receptor to the brain cell surface, lower levels of SNX27 means fewer receptors are carried to the surface, which consequently interrupts the signal transmission and impairs memory.

A team led by Peggy Compton of Georgetown University in Washington, D.C., meanwhile, is investigating a pain and antiseizure drug called gabapentin that may block neural transmission to reduce excessive pain signals.

The drug works to block release of substances at nerve endings, which, from effects in different nerves, will lead to reduced muscle contraction and less transmission of pain signals.

The gene amplifies transmission of electrical signals — a key step in strengthening connections.

Thanks to this transmission route, human and animal cells respond to external signals and specifically activate selected genes in the cell nucleus.

Chronic pain can be viewed as a learned memory: In the way that repetition of a piano piece enables you to learn it by facilitating transmission of the appropriate signals through your neurons, pain that persists can become chronic because your neurons become more efficient at transmitting pain signals.

The researchers found that mutant mice lacking Del - 1 had more severe attacks of the EAE than normal mice, with more damage to myelin, the fatty sheath that coats neurons and helps in the transmission of signals along the cell.

The discovery that two forms of LTP exist in the ACC, with pre-LTP associated with anxiety and post-LTP associated with pain, explains why these two conditions are linked, as both conditions result in an increase in transmission of the glutamate signal between neurons in the ACC.

The electrical signal is perhaps a third of the speed it is in an adult, reflecting the delayed myelination (myelin is the covering of the axon that speeds up transmission of long - distance electrical communication) and immaturity of the young brain.

The transmission of neural impulses between the touch - sensitive neurons in the skin and the spinal cord neurons that relay touch signals to the brain was also abnormal.

Data collected in space, like video transmission of a spacewalk, travel as radio signals from antennas on spacecraft to much larger antennas on Earth, some with diameters up to 230 feet.

Scientists have long theorized that pain signals are sent from sensory neurons in the limbs and other extremities to transmission neurons in the spinal cord, which then relay the information to the brain.

The team of UW computer scientists and electrical engineers eliminated a power - hungry step in most modern cellular transmissions — converting analog signals that convey sound into digital data that a phone can understand.

The idea that the balance between excitatory and inhibitory inputs depends on astrocyte signals gains strong support with this new study and suggests a pivotal role for astrocytes in the development of neurological disorders involving impaired inhibitory synapse transmission.

Ironically, subsequent drug studies show that they actually disrupt the transmission of pain signals in the brain and that constricting blood vessels is not essential.

In general, protein kinases are mainly responsible for the transmission of extra-cellular signals within cells.

FosB is a transcription factor in the brain which, together with other molecules, is involved in so - called signal transduction (transmission of stimuli to the cells), that is to say conveys genetic information between the cells and also determines whether certain genes are activated or not.

MG affects the transmission of signals between the peripheral motoric nerve cells and muscles, resulting in muscular fatigue in the patient,» Dr Harbo explains.

The new system transmits messages by reflecting and encoding audio and data in these signals that are ubiquitous in urban environments, without affecting the original radio transmissions.

In order to achieve better brain signal transmission quality, the researchers apply contact gel.

Transmission of signals in a cell is controlled by the coordinated activity of two families of enzymes: protein tyrosine kinases, which add a phosphate group to proteins, and protein tyrosine phosphatases, which remove them.

In most nerve agent fatalities, death occurs after the agent binds to enough AChE to block signal transmission from the brain's respiratory center to the diaphragm, paralyzing the muscle that's vital for breathing.

During its 6 - minute descent to the surface, Schiaparelli broadcast basic telemetry data but in a weak signal, designed to be picked up and recorded by the TGO for later transmission to Earth.

The synapses between cells are awash in hormones and neurotransmitters that modulate the transmission of signals, and the synapses constantly form and dissolve, weaken and strengthen in response to new experiences.

For example, the scientists identified a deletion in one gene called «stargazin» that is required for regulating the transmission of signals between neurons in the brain.

Synaptic transmission Electricity signals the release of neurotransmitters, which exit the axon in packets of about 5,000 molecules (lower right).

It focused on changes in axons — the fibers, the nerve signal «transmission «lines within the spinal cord that affect voluntary movement after stroke.

These systems are made up of complex algorithms modeled on the transmission of signals between neurons in the brain.

Dopamine is a chemical messenger aiding the transmission of signals in the brain and other areas of the body.

Although, in this case, the airline did not subscribe to an Inmarsat service offering satellite transmission of that data, the Boeing 777 had an Inmarsat satellite transceiver fitted that still pinged an hourly data - free signal to an Inmarsat satellite.

That enables directional transmissions — you could actually steer the signal in a particular direction.

The Search for Extraterrestrial Intelligence has always looked for an anomaly in the persistent cosmic background chatter — a change perhaps in the intensity of a signal that can be taken as a sign that a transmission might be a message to us earthlings from other intelligent beings.Each year, medical researchers who gather at the Alzheimer's Association International Conference search for something similar as they weigh reports of the complex biology of the human brain for some sign that a drug might actually change the relentless course of the disease.

Electronics researchers would like to integrate silicon light emitters with other silicon electronics, in order to send signals between chips optically, avoiding bottlenecks caused by electrical transmission and so speed up communications.

The two most studied forms of such modification are long - term potentiation, which is a strengthening of a synapse, by an increase in the transmission of signals through a synapse, and long - term depression, which is a weakening of the synapse.

The use of directional transmission between the base station and a mobile device reduces signal interference, and that might account for the reduction in energy use we're seeing.

If there are any differences in song structure among these four locations, the acoustic adaptation hypothesis predicts that song should differ between but not within elevations, because the composition of the mixed - conifer forests in Sierra Nevada are fairly standard and do not vary significantly between sites at similar elevations [30] and should therefore shape the song in similar ways in order to optimize signal transmission.

Therefore, 5 - HT signaling to afferent nerve fibers could participate in the transmission of sour or some components of salty taste by type III cells.