Sentences with phrase «transmitted brain signals»

Other scientists have connected the brains of rats and monkeys, and transmitted brain signals from a human to a rat, using electrodes inserted into animals» brains.
The researchers hope that this proof - of - concept study could lead to smaller devices that wirelessly transmit brain signals to wearable, muscle - stimulating garments.
The Duke researchers, working at the Center for Neuroengineering, have previously built BMIs to capture and transmit the brain signals of individual rats, monkeys, and even human subjects to artificial devices.
Now, scientists have developed the first device to solve those problems, a masklike instrument that can transmit brain signals even when the wearer is moving.
In a paper being published online today in the scientific journal Cell Stem Cell, Sheng Ding, PhD, reveals efficient and robust methods for transforming adult skin cells into neurons that are capable of transmitting brain signals, marking one of the first documented experiments for transforming an adult human's skin cells into functioning brain cells.

Not exact matches

One theory is that this stimulation depletes the nerves of Substance P, a neuropeptide that transmits pain signals to the brain, which then reduces pain and irritation in a treated area.
Analysis of their brains revealed inflammation and decreased numbers of dendrites, which transmit signals between nerves.
We perceive sound after vibrations in the inner ear are detected by «hair cells» and transmitted to the brain as electrical signals.
The retina is the part of the eye that converts optical images into nerve signals, which are then transmitted to the brain where vision is interpreted.
Dulac and her colleagues tracked brain activity in the medial amygdala, an almond - shaped structure that transmits smell signals to the hypothalamus.
These thin, tubelike structures transmit electrical and chemical signals that are vital for carrying information among different regions of the brain.
Studies of deafness often emphasize the role of hair cells, the sensory cells that transmit sound signals to the brain.
Unfortunately, most of the loss is in gray matter, the critically important part of the brain composed of neurons, the cells that transmit the signals that keep us breathing and thinking.
He is part of a growing movement of researchers struggling to perfect neural prostheses, devices that employ electrodes to receive signals from and transmit them to the brain.
When exposed to capsaicin, these receptors open to allow in sodium and calcium ions, causing the receptors to transmit that hot signal to the brain.
In the new study, the team focused on neurons called amacrine cells and horizontal cells, which have a known role in «preprocessing» — or adjusting — electrical signals transmitted to the brain from the photoreceptors after they have been stimulated by light photons.
DTI is a non-conventional MRI technique that allows detailed analysis of the white matter tracts that transmit nervous signals through the brain and body.
Individual antennas in system transmit, in sequence, a weak microwave signals through the brain, while the other receiving antennas measure the reflected signals.
Scientists in the US are planning to map the brain activity of the dragonfly as it hunts, using a specially built backpack to transmit electrical signals from the insect's active neurons to a computer.
The spinal cord transmits pain signals to the brain, where they are consciously perceived.
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 researchers also investigated how pheromone signals are transmitted through the olfactory circuit in the brain.
Johns Hopkins researchers have developed a method to efficiently turn human stem cells into retinal ganglion cells, the type of nerve cells located within the retina that transmit visual signals from the eye to the brain.
Retinas are built of a stack of different types of neurons, each connected by synapses that transmit signals from photoreceptors to the brain.
Working with an animal model, the researchers found that a type of cell present in the brain's primary processing area during early development, long thought to form structural scaffolding with no role in transmitting sensory information, may conduct such signals after all.
Conventional wisdom suggested that mammalian brains transmit their first sensory signals in response to sound after the thalamus fully connects to the cerebral cortex.
In addition, the ability to transmit electrical signals involved in learning and memory — a sign of a healthy brain — was impaired, even in mice that had been joined for just four months.
The second layer is made of bipolar cells that act as a conduit between the photoreceptor and the third type of cell, the ganglion, which transmits the light signals to the brain.
For the new study, researchers from the University of Pittsburgh Medical Center (UPMC) in Pittsburgh used diffusion tensor imaging (DTI), an MRI technique that measures the integrity of white matter — the brain's signal - transmitting nerve fibers — to see if injuries to the nerves may be the root cause of these post-traumatic depression and anxiety symptoms.
The retina contains three cellular layers that work together to detect and transmit light signals to the brain (see diagram).
Shlizerman's collaborators, including Steven Reppert at the University of Massachusetts, recorded signals from antennae nerves in monarchs as they transmitted clock information to the brain as well as light information from the eyes.
To find the new mutation, the scientists looked at five key genes that play a role in phototransduction, or the process by which light signals are transmitted through the eye to the brain.
In the brains of all vertebrates, information is transmitted through synapses, a mechanism that allows an electric or chemical signal to be passed from one brain cell to another.
Here the U-shaped loop at the top shows the tract through which signals from one side of the brain are transmitted to the other.
The researchers speculated that brain cells might be particularly reliant on their mitochondria to power the production and recycling of the chemical signals they use to transmit information.
When a particular molecule happens to fall into a matching receptor, a neural signal is triggered that is transmitted to the brain as an odor.
In the absence of that protein, other proteins involved in transmitting signals between neurons in the brain are overproduced, notably mGluR5, a receptor for the neurotransmitter glutamate.
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.
Across a range of disorders, deep - brain stimulation works much the same way: A pacemaker - like device in the chest transmits a signal to the implanted electrode via wires that run underneath the scalp.
«Investigating the pleasure centers of the brain: How reward signals are transmitted
They receive and process signals from the retina's light - detecting cells, the rods and the cones, and transmit them to another set of cells that, in turn, transfer the information to the brain.
A well - known example of this is when the spinal cord continues to transmit signals even when the brain is no longer involved, as in the headless chicken running around the farmyard.
Dopamine is important for transmitting messages between brain cells, but over-active dopamine signalling may cause parts of the brain that are supposed to be separate to communicate with each other.
«Almost nothing is known» about the molecular and cellular mechanism by which water is detected in the mouth and throat, and the neural pathway by which that signal is transmitted to the brain, says Zachary Knight, a neuroscientist at the University of California, San Francisco.
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.
Our brains are made up of billions and billions of nerve cells or neurons that gather and transmit signals via so - called synapses.
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).
A temporary bioelectronic device implanted on the lower spinal cord will transmit electrical impulses, mimicking brain signals, from below the spinal injury to the legs.
Two types of nerves transmit signals between the body and the brain: efferent nerves, which relay signals from the brain to the body, and afferent nerves, which send signals from the body to the brain.
They provide the energy needed for communication between brain cells, which is crucial for transmitting stimuli and signals and thus for optimal functioning of the body.
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