Soon a permanently embedded grid of electrodes will identify those patterns and simultaneously send them to an external processer that will convert
the brain signals into synthesized words.
Not exact matches
It helps
signals move faster around the neural network, and in two important areas of the
brain, the frontal and temporal lobes, myelin levels increase with age, peaking on average around age 50 and in some people continuing to rise
into their 60s.
The inner ear is lined with approximately 30,000 sensitive hair cells that convert sound energy
into electrical
signals that travel to the
brain.
My understanding is that they inject a small amount of water
into four points in the lower back that block the pain
signals to the
brain.
In the direct reprogramming, the researchers exposed the adult skin cells to a specific mix of
signaling molecules the scientists» past research had found would convert healthy skin cells directly
into a type of
brain cell called medium spiny neurons, without intermediate steps along the way.
People with this mutation can not turn soundwaves
into signals that the
brain can interpret, and so are deaf.
Another gene, PCDH15, plays a role in the hair cells» ability to convert sound
into brain signals (Molecular Psychiatry, DOI: 10.1038 / MP.2014.8).
The gaps help to regulate
signaling in the
brain, and the bridges are the «connection across a synapse [that] is the release key that fits
into a very specific lock to initiate the next step.»
«This work has provided new insight
into how the
brain decodes
signals from the outside world and then translates these environmental cues
into behavior.
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.
Mapping the path of the tentacle nerves showed that they feed
into an area of the
brain that processes sensory
signals, close to where it responds strongly to visual
signals.
It acts like a camera to collect and focus light and convert it
into an electrical
signal that the
brain translates
into images.
Your
brain has to be creative about how it integrates the
signals coming
into it.
Recent research has shown that the cascade of
signals in the proinflammatory immune response tend to cause the amino acid tryptophan to break down
into kynurenic acid rather than serotonin, a
brain chemical that influences mood.
Seeking additional insight
into similar mechanisms at work in other centers of the
brain, Donato and his team discovered that the
signal to develop one area known to be involved in more abstract functions, including memory and navigation, originated from deep within the
brain, in a specific population of neurons that kicks off the maturation of an entire neural network.
Once such mutation prevents the production of an enzyme needed to break down retinol, a form of vitamin A,
into a substance that photoreceptors need to detect light and send
signals to the
brain.
The change is translated
into an electrochemical
signal that is picked up by nerve cells, which relay it to the
brain.
The best microscopes currently available can detect light from 3 to 4 millimetres
into the
brain, enough to see light
signals coming from the cortex of a small animal, but not enough to see deep - seated structures such as the hippocampus.
Then, instead of sending neural
signals from the animal's
brain to a robot, he shunts them back
into the muscles of the paralyzed arm, thereby bypassing the spinal cord.
A mind - reading device that taps
into a driver's
brain can recognise and act on the
brain signals to stop the car precious milliseconds before the
signals become leg movements.
Researchers implanted a silicon chip
into Hutchinson's
brain, offering a high definition view of her neurons» electrical
signals.
SIGNAL SEARCHER Physicist Yasser Roudi is gleaning new insights
into how the
brain processes information.
Dr Milos Petrovic, co-author of the study and Reader in Neuroscience at the University of Central Lancashire added: «Untangling the interactions between the
signal receptors in the
brain not only tells us more about the inner workings of a healthy
brain, but also provides a practical insight
into what happens when we form new memories.
It is a product of all five senses (hearing included) interacting in unexpected ways, those sensory
signals subject to gross revision as they are integrated by the
brain into one complex, sometimes wonderful perception.
Incoming sound waves make the eardrum vibrate, and the eardrum delivers these vibrations using the ossicles to the inner ear where hair cells translate them
into electric
signals sent to the
brain.
The array, called BrainGate, reads a pattern of
brain signals and then sends them via wires to an external computer that translates it
into a command.
The question that carried him from vision research to autism had to do with what happens after light hits the human retina: How are the incoming
signals transformed
into data that are ultimately processed as images in the
brain?
The intricate layers of neurons at the backs of their eyes gradually degrade and lose the ability to snatch photons and translate them
into electric
signals that are sent to the
brain.
They chose TMC1 because it is a common cause of genetic deafness, accounting for 4 to 8 percent of cases, and encodes a protein that plays a central role in hearing, helping convert sound
into electrical
signals that travel to the
brain.
Every time their
brain signals settled
into the slow - wave pattern characteristic of deep, dreamless sleep, the researchers sent a series of beeps through the headphones, gradually getting louder, until the participants» slow - wave patterns dissipated and they entered shallower sleep.
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.
TMS uses a magnetic coil placed on the head to increase electrical
signaling a few centimeters
into the
brain.
«This gives us quite an exciting springboard to fully map out this decision - making circuit from all the sensory inputs leading
into the
brain and how the
brain parses and compares these
signals, and comes to a decision,» states Schinaman.
These neurons, described in today's issue of Nature, appear to be first in line to process incoming visual
signals into a spatial map, suggesting that one of the
brain's first steps toward making sense of the outside world is to compensate for the body's own motion.
After being inserted
into the
brain's motor cortex, the device can sense where the strongest
signal is coming from, and move the electrodes towards it.
This image of a chick's retina reveals the three basic stages of visual processing by the circuit in the eye that detects light and transforms it
into signals the
brain can understand.
«Our study is the first to measure these
signals in an important cell type in the
brain, providing important new insights
into early sensory development in mammals.»
The researchers suggest that the reverse
signalling etches information
into the
brains of the rats as part of the learning process.
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.
In other words, what are the genes that are sending the
signal to these lung BMICs to leave the lung tumour, go
into the blood stream, invade the blood -
brain barrier and form a tumour in the
brain.»
The research team discovered leptin and insulin interact with proopiomelanocortin (POMC) neurons in the
brain's hypothalamus, causing them to send
signals through the nervous system promoting the conversion of white fat
into brown fat.
Neurons do more than just relay
signals forward
into the
brain.
When Schlee compared people who suffer a lot of distress from tinnitus with those who are not much bothered by it, he found that the more distress people felt, the stronger the flow of
signals out of the front and back of the
brain and
into the temporal cortex.
Along with the fibers, they translate our physical interactions with the world
into electrical
signals that our
brain can process.
Studies of barn owls offer insight
into just how the
brain combines acoustic
signals from two sides of the head
into a single spatial perception
The thin walls of the microvessels mean that the oxygen levels in adjacent
brain tissue are mirrored within the capillaries, which can
signal to red blood cells to spring
into action.
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.
«Mind - controlled device helps stroke patients retrain
brains to move paralyzed hands: Device reads
brain signals, converts them
into motion.»
Their findings may turn out to be important when it comes to research
into cerebral cancer, since it is known that components of the Hippo
signaling pathway, such as neurofibromin 2, are involved in the generation of
brain tumors.
Rather, it correlated with how well the device read
brain signals and converted them
into hand movements.