Sentences with phrase «receives brain signals»

Not exact matches

The signals are received in a structure at the base of the brain called the hypothalamus.

The neurons send their signals to the brain's olfactory bulb, where each of thousands of little clusters of neurons called glomeruli receives input from olfactory neurons with just one receptor type.

As a result, the sensory hair cell bundles that receive sound and signal the brain deteriorate and become disorganized, leading to profound hearing loss.

«Because you've associated things over time, you're going to associate a certain triggering point in the frontal lobe or the basal forebrain and tell certain regions of the brain stem to adopt a state of activity as if it were receiving signals from the body that were consonant with emotion x.

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.

The team focused on the primary auditory cortex, which is the first cortical region to receive auditory signals from the ears via other parts of the brain, and the nonprimary auditory cortex, which plays a more sophisticated role in processing those stimuli.

Now imagine a tiny wireless device that can send and receive signals to neurons in the brain.

Individual antennas in system transmit, in sequence, a weak microwave signals through the brain, while the other receiving antennas measure the reflected signals.

Functional MR imaging taken while the animals received either a juice reward or VTA stimulation revealed that both induced activation of brain regions that previous studies in humans and other primates have associated with reward signaling by means of the neurotransmitter dopamine.

Over time, «significant and persistent» MRI abnormalities (called T1 - weighted signal hyperintensities) developed in the brains of rats receiving the linear GBCA, gadodiamide.

In people with RP and AMD, the photoreceptors have been damaged and lost, so the ganglion cells do not receive signals and the brain can not produce an image.

At the same time, GRP neurons are not the only group of spinal cord neurons that receive and forward pain signals toward the brain, and the brain itself plays a central role in translating signals from peripheral neurons into experienced sensation.

The mini brain on the right features a tangle of axons (pink)-- extensions of neurons that send and receive signals.

«We found that approximately 40 % of the brain cells that process visual signals appear to receive information from mRGCs,» says Brown, whose team reports its work today in PLoS Biology.

He has shown that dogs have a positive response in the caudate region of the brain when given a hand signal indicating they would receive a food treat, as compared to a different hand signal for «no treat.»

«We looked at the part of the brain known as the «grand central station,» or the hub where the brain is constantly sending and receiving signals,» Booth said.

They are thought to work by blocking the reabsorption of the neurotransmitter serotonin in the brain, leaving more of it available to help brain cells send and receive chemical signals, thereby boosting mood.

The drug boosted dopamine, a brain chemical involved in pleasure and motivation, equivalently, but pair - bonded voles had fewer receptors ready to receive the dopamine signal.

One is the «spine pruning theory,» supported by the observation that the frontal brain regions of people with schizophrenia have fewer dendritic spines, the tentacles on the receiving ends of neurons that process signals from other cells.

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.

But the brain must receive information about water from the mouth and tongue, because animals stop drinking long before signals from the gut or blood could tell the brain that the body has been replenished, he says.

He received his Ph.D. in biomedical signal processing from UBC and is using this training to develop a direct brain - computer interface.

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).

We have red -, green -, and blue - sensitive cones, and the brain perceives color by comparing the different signals it receives from nearby cones of each type.

The researchers looked in rats» brains for the genetic instructions needed to make a key «pleasure receptor,» called D2, that allows brain cells to receive signals sent by the brain chemical dopamine — or cocaine.

Finally, they tested their touch sensors and monitored whether the mouse brain tissue received the signals and fired in response.

In 2010, they decided to collaborate to learn about zinc's impact on retinal ganglion cells, which receive visual signals and form the optic nerve that delivers information to the brain.3

The researchers also received detailed instructions on how to grapple with a major technical challenge: Electrodes in patients» brains often detect pulses from two or more nearby neurons at the same time, which may show up in the computer as one big signal.

The scans revealed that when praised, 13 of the dogs showed equal or greater levels of brain activity in the region that controls decision - making and signals rewards than when they received food, the scientists will report in an upcoming issue of Social Cognitive and Affective Neuroscience.

Doctors, for example, won't be able to engineer human brain tissue to receive light signals.

Chapin studies the part of the brain that interprets signals received by touch - sensitive parts of a body.

In the brain, interneurons are usually inhibitory: when they receive a signal, they make the next neuron down the line less likely to continue the transmission.

The brain does not have direct access to; instead, when the sound is produced at a particular amplitude -LRB--RRB- and is heard against a background of other sounds -LRB--RRB-, the signal that the ear actually receives is the sound mixture.

A new study authored by Marc Schieber, M.D., Ph.D., and Kevin Mazurek, Ph.D. with the University of Rochester Medical Center Department of Neurology and the Del Monte Institute for Neuroscience, which appears in the journal Neuron, shows that very low levels of electrical stimulation delivered directly to an area of the brain responsible for motor function can instruct an appropriate response or action, essentially replacing the signals we would normally receive from the parts of the brain that process what we hear, see, and feel.

On the other hand, animals that received CSCs carrying miR -7-2 showed significantly less signals in the brain, suggesting that miR -7-2 was indeed capable of suppressing brain metastasis of CSCs (Fig. 3B and C).

The thalamus receives signals from various areas of the brain and shoots them off to other regions.

The team taught this animal to push a particular lever when it received an electrical signal from the chip in its brain.

When they looked at brains from these mice, the researchers noticed that hippocampal nerves that were between 1 and 2 months old could dramatically increase or decrease the amount of signaling chemicals they receive from neighboring nerves.

Aug. 30, 2012 — The Silvio O. Conte Center for Neuroscience Research at Vanderbilt has received a $ 10.5 million federal grant to continue its groundbreaking research on serotonin signaling in the brain for another five years.

Neurons, the main communicators, form connections with other neurons via structures called dendrites, which receive the incoming electrical signals used to communicate information within and beyond the brain, and axons that pass along the message to the next cell across synapses, the gaps between cells.

The brain also receives and interprets a multitude of signals sent to it by other parts of the body and by the environment.

In a normal hunger cycle, the brain receives electrical signals from the stomach that it's empty.

For HA — you need your brain to be receiving a regular signal of «energy abundance» from insulin, which is released when you ingest carbs.

It travels its way to the hypothalamus and allows the brain to receive signals about the state of energy stores and satiety.

When leptin levels increase, your brain receives a signal that you are «full.»

Omega - 3 fatty acids have the potential to affect the way your brain receives the signals for hunger, reduces appetite - boosting hormone levels and increases appetite suppressing hormone levels.

It's no wonder that your brain is one of the hungriest organs in your body — more than 80 billion neurons are sending and receiving electrical signals 24 hours a day, creating complex thoughts and emotions.

When the thyroid is working correctly it receives signals from the brain to turn iodine from foods into hormones and sends those hormones throughout your body to keep it functioning smoothly.

Symptoms to be on the lookout for: When the thyroid is working correctly it receives signals from the brain to turn iodine from foods into hormones and sends those hormones throughout your body to keep it functioning smoothly.

In a normal menstrual cycle, every 26 to 28 days the ovaries, which hold a woman's eggs, receive a hormonal signal from the brain that it's time to get some eggs ready to be fertilized.