Sentences with phrase «by nerve signalling»

However, by scaling each opening curve by its maximum opening, they found that the relative rate of opening was conserved, suggesting that the degree to which the mouth opens is controlled by nerve signaling.

Not exact matches

The anger and rejection that greet Klein's creations never feel good exactly, but by now he knows this type of response signals that he's struck a nerve.

That's because TRPV1 receptors — proteins on nerve endings that detect heat — are activated by capsaicin, and erroneously interpret capsaicin as a signal of extreme heat, Live Science reported previously.

Nerves are developing and are now surrounded by myelin that allows the nerve cells to exchange signals.

It utilizes the Gate Theory of Pain Control by gently stimulating your sensory nerves to suppress or block the pain signal to the brain.

Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes of Health.

The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.

In nerve cells, opening ion channels is a crucial step in generating action potentials — the signals by which the cells communicate in the brain.

The change is translated into an electrochemical signal that is picked up by nerve cells, which relay it to the brain.

Some scientists see waves as inevitable but useless by - products of the signals that really matter — messages sent by individual nerve cells.

Cocaine is thought to work its seduction in part by transiently increasing levels of a nerve - signaling substance called dopamine, which communicates feelings of pleasure in the brain.

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.

Cytokines can reach the brain several ways: directly through the blood - brain barrier or indirectly by binding to nerve fibers elsewhere, which send signals to the brain to produce the inflammation molecules.

«We have shown that pericytes initiate the increase in blood flow seen when nerve cells become active, so we now know that functional imaging signals are caused by a pericyte - mediated increase of capillary diameter.

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

In 1952, Hodgkin and Huxley introduced a model in which nerve signals were described as an electric current along the nerve produced by the flow of ions.

This allows nerve fibres to grow in the right direction by following simple developmental rules controlled by biochemical signals — in a similar way to how the grid of New York City's streets makes it easy to give someone directions to a destination.

They are neurotoxins: They poison the nervous system of both insects and humans by disabling an enzyme called cholinesterase that helps regulate signals between nerve cells.

Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes of Health.

The impulses cause glutamate (one of the brain's main neurotransmitters) to pop out of one nerve cell and travel across the synapse to activate the next by binding to its receptors, chemically active signaling stations on the cell surface.

Studies in animals indicated that in branches of the nerve that exit from the back of the brain and wrap around various parts of the face and head, overactive cells would respond to typically benign lights, sounds and smells by releasing chemicals that transmit pain signals and cause migraine.

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

Pheromones are detected by the so - called vomeronasal organ, which sits in the nasal cavity and sets off a cascade of nerve signals that ends in the accessory olfactory bulb, the organ that processes pheromones.

BREATHLESS Nerve endings in the lungs send signals — triggered by force - detecting proteins — to the brain and spinal cord that help regulate breathing.

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.

In the course of their research, however, the scientists discovered that the nerve net of the embryonic sea anemone is formed by a set of neuronal genes and signal factors that are also found in vertebrates.

The current model in neuroscience poses that memory is stored as long - lasting anatomical changes in synapses, the specialized structures by which nerve cells connect and signal to each other.

In extreme conditions, pain or numbness is perceived by the brain using signals sent by these peripheral nerves.

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.

Neurons, or nerve cells, in the brain communicate with each other by transmitting electric signals, or firing action potentials, through long processes named axons (which send out signals) and dendrites (which receive signals).

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.

Genetic analysis of the activated cells in the two groups of mice showed that the neurons triggered by a full belly released glutamate, a chemical that nerve cells use to signal one another, while the neurons triggered by hunger released a different neurotransmitter, known as GABA.

«The signal produced by the PV cell — after stimulation by the PYR cell — was passed on to target nerve cells and prevented them from generating action potentials of their own,» Poulet says.

The device detects and translates nerve signals sent by the brain to the vocal cords when we merely think about speaking a sound.

By stimulating the nerves one after another, and listening in on the network, we can check whether the cells are connected to each other and determine the effects a signal has.»

Nerve cells communicate by using electrical signals.

Researchers surgically redirect nerves that would normally control the arm into unused chest muscle, where nerve signals are interpreted by electrodes that guide the robotic limb.

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

There are two categories of CMT: those caused by the loss of axons in the peripheral nerves (CMT2) and those characterized by a malfunction in the Schwann cells that make up the myelin sheath, the protective coating that surrounds the nerve fibers and allows them to conduct nerve signals at high speeds (CMT1).

He and his collaborators were able to show, for example, that during swimming, motor signals move down the body through muscle cells themselves as well as through nerve connections, by selectively blocking sections of its musculature and nervous system.

The new study by researchers at The Neuro shifts the focus to the loss or degeneration of axons, the nerve - cell «branches» that receive and distribute neurochemical signals among neurons.

In visually impaired mice, the transplant allowed for the restoration of normal vision, as demonstrated by tests of visual nerve signals and a swimming maze test.

January 4, 2006 Chemical signaling helps regulate sensory map formation in the brain Researchers from the University of Chicago have uncovered an important mechanism used by the developing brain to pattern nerve connections in the part of the brain that interprets visual signals.

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.

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

Using a novel methodology, the researchers found an association between the disorder and a DNA marker that is very close to the dopamine transporter gene, which controls the intake of this important neural messenger by the nerve cells that respond to dopamine's signal.

The information gathered by your senses is transmitted by nerve cells, or neurons, to specific brain regions where the signal is routed through circuits and sent downstream to areas that essentially translate the information into behavior and get you back on track.

The brain may further modulate the pain signal by activating the «descending pain control system,» made up of bundles of nerve fibers that travel from brain to spinal cord to decrease the pain signal.