Sentences with phrase «electrical signals through»

Their crisscrossing paths and collective efforts have nonetheless led to a clear - eyed understanding of how neurons — the brain's cellular building blocks — form and function and how ion - conducting channels control the flow of electrical signals through the nervous system.
One goal in neurobiology is to understand how the flow of electrical signals through brain circuits gives rise to perception, action, thought, learning and memories.
Further experiments that tracked electrical signaling through the neurons corroborated the result.

Not exact matches

Through their electrical signals plants show how they are responding to their environment.»
Biosensors work by detecting a biological element (enzymes, whole cells or affinity biomolecules such as antibodies) and relaying the information through an electrical, optical or thermal signal.
We might think that the brain works in a similar way to a computer: after all, even computers work through electrical signals.
«The protein travels by diffusion through the cells like electrical signals travel through the brain,» Zeng says.
This device allows the activation of any environmental instrument through specific electrical brain signals selected at will.
If two adjacent neurons produce that protein, they join up, forming a synapse through which electrical signals can flow.
The neuron accumulates its incoming electrical signals from connecting neurons through several terminals, and generates a short electrical pulse, known as a spike, when its threshold is reached.
Special heart cells create electrical signals that cause the heart's upper and lower chambers to beat in the proper sequence to pump blood through the body.
Ultimately, these neurons form a circuit between the brain and the target tissue through which chemical and electrical signals are relayed.
Once the nanoparticles squeezed through the barrier and the mouse was exposed to a weak magnetic field, the critter's brain responded by firing electrical signals.
Neuroprosthetics can not only be controlled through electrical signals in the brain, but may soon provide sensory information through brain - machine - brain interfaces.
They're what gives the device its ability to decode the complex «language» of the brain, expressed through the electrical signals of large groups of neurons.
The brain controls movement by sending electrical signals to our muscles through nerve cells.
A film with higher resistance has lower electrical conductivity, meaning that more voltage must be applied to send a signal through it, which further degrades the material.
Electrical recordings of signals transmitted from the hippocampus suggested that the animals had developed place cells — cells that are believed to convey a sense of location — and that these cells were firing when an animal passed through a familiar place.
This may help us to understand how processes such as learning and memory formation, which require long - term changes in the brain, arise from the short bursts of electrical activity through which neurons signal to each other,» Greenberg said.
The retina sits at the back of the human eye, and contains protein cells that convert light into electrical signals that travel through the nervous system, triggering a response from the brain, ultimately building a picture of the scene being viewed.
Now, an international group led by Prof. Danny Porath of the Hebrew University of Jerusalem reports reproducible and quantitative measurements of electricity flow through long molecules made of four DNA strands, signaling a significant breakthrough towards the development of DNA - based electrical circuits.
Some of the pinpointed genes are known to be involved in the function of synapses, tiny connectors that allow brain cells to communicate with each other through electrical and chemical signals.
Then they pulsed electrical current — similar to the current in a brain — through each slice and measured the strength of the electrical signal in the synapses.
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.
These results were achieved through continual direct epidural electrical stimulation of the participants» lower spinal cords, mimicking signals the brain normally transmits to initiate movement.
«After a year of sound deprivation, we observed dramatic changes in the inner ear — notably, a significant loss of the synaptic connections through which the sensory cells send their electrical signals to the brain,» Dr. Maison said.
Then they take a photo of a person's face, transform the image into a pattern of electrical signals, and feed the signals to the neurons through the electrodes.
It then conducts any electrical signals from the neuron up through the micropipette, and into a computer via the conductive fluid.
Neurons communicate with each other through chemical and electrical signals that can be excitatory (activating) or inhibitory (deactivating), depending on their class: Pyramidal cells are excitatory neurons whilst interneurons are inhibitory.
They listen, through your scalp, for the incredibly weak remnants of electrical signals from your brain activity.
But to reveal synapses — the minute signalling junctions through which electrical or chemical signals flow — nanometer - resolution electron microscopy is required.
electrode A device that conducts electricity and is used to make contact with non-metal part of an electrical circuit, or that contacts something through which an electrical signal moves.
[emphasis mine] Now the team has published a paper which suggests that electrical signals pass through the nanotubes and that a «gap junction» enables transmission to nonadjacent cells.
Yet its rate remains fairly regular, thanks to electrical signals that travel as waves from cell to cell through the heart.
PEMF uses electrical energy to direct a series of magnetic pulses through injured tissue, and each magnetic pulse induces a tiny electrical signal that stimulates cellular repair by upregulating a tissue repair protein called «heat shock protein» and also by increasing the uptake of oxygen and nutrients into tissue.
In the case of bone healing, PEMF uses electrical energy to direct a series of magnetic pulses through injured tissue whereby each magnetic pulse induces a tiny electrical signal that stimulates cellular repair.
Excitation - contraction coupling describes the way in which the electrical signal sent through the nervous system leads to muscular contractions at the sarcomere level.
This section provides a discussion of excitation - contraction and how electrical signals sent through the nervous system lead to muscular contractions at the sarcomere level.
Almost one third of the brain is composed of neurons, cells that transmit information through electrical and chemical signals with a seemingly unconscious intelligence.
The electrical signal is then carried through the atrioventricular (AV) node into the ventricles, causing them to contract.
These currents can be «musical,» like the signals running through loudspeaker cables; or they can come from electrical activity in the infrastructures of buildings or cities.
«They can count, learn and remember; nurse sick neighbors; warn each other of danger by sending electrical signals across a fungal network known as the «Wood Wide Web» — and, for reasons unknown, keep the ancient stumps of long - felled companions alive for centuries by feeding them a sugar solution through their roots.»
In electroencephalography, or EEG, electrodes measure the electrical signals produced by the brain's neurons through the scalp.
The diaphragm is normally suspended between two perforated plates, and an electrical signal is then passed through the plates to move the diaphragm in a push - pull manner towards one of them.
It does this by measuring the electrical resistance in your body, by sending a signal from the underside of the tracker, through your arm, and to a second metal contact on the top of the tracker, which you need to touch with your finger.
The band monitors electrical signals that go through the user's muscles and detects the specific hand and arm gestures.
a b c d e f g h i j k l m n o p q r s t u v w x y z