Sentences with phrase «of a neural signal in»

The researchers found that Rh7 could functionally substitute for Rh1 in flies missing Rh1, as measured by electroretinogram, which is an extracellular recording of a neural signal in the fly eye in response to light.

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.

«Such losses are particularly critical in the auditory system, because they reduce the temporal precision of signal transmission — and the quality of our perception of the acoustic environment is primarily dependent on rates of action potential generation and precise neural computation of their temporal sequences.»

By studying these examples, the neural network learned on its own what the light signal of an exoplanet looked like, and could then pick out the signatures of exoplanets in previously unseen signals.

«The results are novel, as this sensitive and comprehensive testing has revealed how prenatal and early postnatal immune activation may regulate core behavioral signs associated with ASD and certain other developmental disorders through changes in signal flow between different structural components of behavior - driving neural circuits,» said Bolshakov.

A team led by Peggy Compton of Georgetown University in Washington, D.C., meanwhile, is investigating a pain and antiseizure drug called gabapentin that may block neural transmission to reduce excessive pain signals.

The group is now pursuing studies that couple the mechanical forces of a blast, or pressure wave, to the activation of chemical - signaling pathways in neural cells.

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.

At Princeton, neurobiologist Lisa Boulanger — one of Shatz's former postdocs, who now has her own lab — began investigating whether changes in MHCI levels could cause neural signaling problems mimicking autism in mice.

«By revealing the dynamics of facial action through machine vision systems,» said Bartlett, «our approach has the potential to elucidate «behavioral fingerprints» of the neural - control systems involved in emotional signaling.»

Kennedy is the chief scientist of Neural Signals, a company he founded in 1987 to develop a brain - computer interface, or BCI, though he prefers the term «neural prosthetics.&Neural Signals, a company he founded in 1987 to develop a brain - computer interface, or BCI, though he prefers the term «neural prosthetics.&neural prosthetics.»

The signals leap from the axons across a synapse, or gap, to the dendrites of the next nerve cell in the neural net.

«We will look at how a code of neural signals is sent to the brain, to see if it is in fact faster than with other animals and whether it has other advantages,» says Marshall.

Those neural signaling patterns, in Pitkow and Angelaki's description, are then recoded into another set of patterns; that process sorts out the important variables in the environment from those that don't matter.

Your in - the - moment cognizance of your hand's location proves that neural signals must reach your brain extremely quickly.

Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.

What was especially «exciting» about this finding, he says, is that these variations were near a neural highway that previous studies have shown helps regulate life span in worms and flies, and that stopping chemical signals from this brain pathway extends the life span of mice.

The transmission of neural impulses between the touch - sensitive neurons in the skin and the spinal cord neurons that relay touch signals to the brain was also abnormal.

The analysis allowed the researchers to identify and isolate the specific patterns of neural activity that play out in this part of the brain when someone speaks, effectively enabling them to decode the brain's signals.

Making artificial whiskers that interpret delicate movements, called vibrissal sensing, has only become possible in the last 15 years, following advances in understanding the brain's neural processing of vibrissal signals.

In a major breakthrough, a team led by researchers at the Salk Institute and Harvard Medical School have identified an important neural mechanism in the spinal cord that appears to be capable of sending erroneous pain signals to the braiIn a major breakthrough, a team led by researchers at the Salk Institute and Harvard Medical School have identified an important neural mechanism in the spinal cord that appears to be capable of sending erroneous pain signals to the braiin the spinal cord that appears to be capable of sending erroneous pain signals to the brain.

Neural signals are transmitted within neurons by changing calcium concentrations, so the researchers used this technique to measure the amount of calcium contained within the Purkinje cells in real time.

Nerve signals control the communication between the billions of cells in an organism and enable them to work together in neural networks.

The group employed various viral tracing methods — infecting receptor - expressing neurons with a virus strain and watching them spread as they label infected cells with a fluorescent protein — to visualize the neural circuit downstream of the ESP1 receptor, as well as providing an image of nerve fibers belonging to specific neurons in the brain and synapses relaying impulses from neuron to neuron, to map the anatomical foundation that conveys ESP1 signals in the brain.

«Calcium signaling regulates many important cellular functions, like muscle contraction, neural communication, gene transcription and tissue growth,» said Fenfang Li, a postdoctoral research fellow in Zhong's laboratory and lead author of the study.

Researchers found that chronic use of the drug kept the brain in this state of «chronic depression,» in essence suppressing the neural terminals controlling the flow of signals between the cortex and striatium — even after a long period of several weeks.

Few reliable tools exist for detecting neural signals of awareness in people who appear unresponsive, says Lorina Naci, a neuroscientist at the University of Western Ontario in London, Canada, and lead author of the new study.

«Close relationships between these neural networks could mean that a common signal is responsible for adjustments in both the speed of decision and of the resulting movement.

Because of the changes in neural signals over time, the resting firing patterns of neurons in the motor cortex might have changed since the last pause.

«Our results with Drosophila exhibit surprising similarities in some respects to what we know about the regulation of resting phases in mammals, allowing for speculation as to whether the Hippo signaling pathway in neural stem cells functions in the same manner in both vertebrates and invertebrates,» stated the paper's first author Rouven Ding.

In one innovation, dubbed «retrospective target inference,» the decoder analyzes the users» recent target selections to update its interpretation of the underlying neural signals that produced it.

In areas of the brain previously linked to IQ, the star percussionists also had more white matter — the fatty material that sheathes connections between neurons and boosts signal speed — indicating a larger amount of neural hookups there.

The algorithms, which tell computers how to learn from data, are used in computer models called artificial neural networks — webs of interconnected virtual neurons that transmit signals to their neighbors by switching on and off, or «firing.»

Poon believes this discovery will spawn a new generation of programmable microimplants — sensors to monitor vital functions deep inside the body; electrostimulators to change neural signals in the brain; and drug delivery systems to apply medicines directly to affected areas.

«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.

It demonstrated a meta - language prediction capability from neural signals across people, languages and bilingual status,» said Ying Yang, a postdoctoral associate in psychology at CMU and first author of the study.

In order to identify the grip types and to compare them with the neural signals, an electromagnetic data glove was used to record all the finger and hand movements of monkeys.

The findings suggest that even the simplest of choices, such as turning left or right, are the result of multiple neural signals triggered by recently encountered cues, which then propagate in a complex yet well - organized manner and converge in a single decision.

«We employed several approximations to determine the amount of data required in bits to fully store a human genetic code and neural information, and the signal to noise ratio of typical signalling equipment.

A theoretical study of short - and long - range effects on neural excitation pulses might one day lead to controlling harmful signals such as those in strokes.

John «Jack» Pettigrew, then a young medical student in Canberra, Australia, noted this fact in the mid 1960s, reasoning that the neural mechanism for stereopsis must entail another set of binocular neurons, ones that signal retinal disparity by processing noncorresponding retinal points.

I've tried to classify illusions in a way that shows the principles underlying them, starting with physical causes, moving on to physiological disturbances of neural signals, and finally to cognitive processes — where the brain tries to make sense of sensory signals, not always successfully.

To understand this evocative force, researchers in many fields, including information science, neural perception, and signal processing, investigate music's underlying structure, examining features such as the tone, timbre, and auditory and rhythmic features of a piece.

While this was happening, the researchers measured the activity in two parts of the monkeys» brains, the parietal lobe and the frontal lobe, which is the next place neural signals are sent.

In mouse models of ASD, symptoms include an imbalance between «on» and «off» neural signaling in the brain's neocortex, altered responses to sensory stimuli and impaired social behavioIn mouse models of ASD, symptoms include an imbalance between «on» and «off» neural signaling in the brain's neocortex, altered responses to sensory stimuli and impaired social behavioin the brain's neocortex, altered responses to sensory stimuli and impaired social behavior.

New research published in the 31 October issue of Cell unveils how a neural stop signal goes askew in neurofibromatosis, one of the most common genetic causes of learning disabilities in humans.

The neural signals recorded by the electrodes are transmitted via a cable to a computer where algorithms developed in Shenoy's lab decode the participant's intentions and translate the signals into movements of a computer cursor.

Future studies investigating how neural signals change in response to microstimulation (and how these changes vary with the precise targeting of the stimulating electrode) will be critical for increasing our understanding, not only of the physiological signatures of microstimulation, but also the microcircuit dynamics underlying memory.

Designed to be extremely power - efficient, NTU's patented smart chip will analyse and decode the thousands of signals from the neural implants in the brain, before compressing the results and sending it wirelessly to a small external receiver.

In the aging research, there are mixed findings on whether aging is associated with increased or decreased amplitude of neural activity, and looking into variability of the signal gives us a new type of information on how the aging brain works.»