Sentences with phrase «of neural activity at»

The scientists then used powerful computers to crunch the imaging data, seeking out common patterns of neural activity at different ages.

Not exact matches

In a series of experiments, researchers at Northwestern University used brain scanners and EEG sensors to study neural activity in a number of participants tasked with solving complex word puzzles.
Angelika Dimoka, director of the Center for Neural Decision Making at Temple University, conducted a study that measured people's brain activity while they addressed increasingly complex problems (i.e., noise).
«We have therefore asked whether it was possible to establish a bidirectional communication in a brain - machine interface: to simultaneously read out neural activity, translate it into prosthetic movement and reinject sensory feedback of this movement back in the brain,» explains Daniel Huber, professor in the Department of Basic Neurosciences of the Faculty of Medicine at UNIGE.
Neuroscientists at the University of Geneva (UNIGE), Switzerland, asked whether it was possible to transmit this missing sensation back to the brain by stimulating neural activity in the cortex.
Anja Roye of the University of Leipzig in Germany and colleagues recorded the text - alert tones of 12 volunteers, then played them all the tones, at the same volume and in a random order, while recording their neural activity via scalp electrodes.
In fact it had no active ingredient, but all the same it quenched pain - linked neural activity at lower neck level in the left dorsal horn, which runs the length of the spinal cord (Science, DOI: 10.1126 / science.1180142).
And we demonstrate that they can capture neural activity from the human brain at least as well as conventional electrodes that are orders of magnitude larger,» Gilja said.
«Many brain disorders are caused by imbalanced neural activity,» says Lih Lin at the University of Washington, Seattle.
With neural prosthetic technology — microchips that can «listen» to many neurons at the same time — researchers are able to find correlations between the activity of many nerve cells.
To truly see how neural activity changes during learning, we need to look bigger — at populations of neurons, rather than one neuron at a time, which has been the standard approach to date.
Pezaris has also enlisted the help of Emad Eskandar, a neurosurgeon at MGH who specializes in deep - brain stimulation, which has been used to treat Parkinson's disease and monitor neural activity in people suffering from seizures.
After analysis, the researchers were able to observe how the patterns of neural activity were changing at each stage of each task.
To resolve this particular contradiction, we need to recall that our brains have limited attentional resources — an attentional bottleneck results because only a single pattern of neural activity can exist at a time.
In a bid to determine the regions of the brain concerned with these memorization difficulties, the researchers conducted magneto - encephalographs (a technique that allows very weak magnetic fields produced by neural activity to be measured at the surface of the head) on a group of amusics while they were performing a musical task.
Your brain transmits information about your current location and memories of past locations over the same neural pathways using different frequencies of a rhythmic electrical activity called gamma waves, report neuroscientists at The University of Texas at Austin.
What are the roles of the neural activity generated at different points in time, and how do they help the system adapt to the environment?
«When we look at the neural processes that take place in the brain while processing the symbols, we see that around 400 milliseconds after the presentation of the to - be-counted symbol, there is an extreme reduction in brain activity, although it should normally be very high,» explains Schmidt.
At the interface of these innovative neuroprosthetic protocols are implantable electrodes that can read neural activity, stimulate nerves, and bypass nerve injury to reactivate biological function.
Korey Smith, a student at North Carolina's Johnson C. Smith University (one of the nation's 104 historically black colleges and universities, or HBCUs), said that presenting his research on working memory and neural activity in rhesus macaques was just one reason to attend ERN.
Researchers took a three - dimensional approach to this study by looking at what the users» task performance was through evaluating how they process the tasks of detecting cyberattacks with neural activity, which was captured using electroencephalogram, or EEG, cognitive metrics and with eye gaze patterns, which were captured using an eye - tracker.
«After repeated attempts, your brain gets better at recreating that pattern of neural activity, and you get better at the game.»
According to a «smell map» created by researchers at the Weizmann Institute of Science in Israel, almonds smell like roses — and the two scents elicit similar neural activity.
They hypothesize that triggering stimulation at a particular phase of a neural oscillation may be more effective at suppressing the pathological activity than periodic stimulation.
The Raman images now show protein activity at neural cell level, but the sensitivity is high enough for detecting areas that are even smaller — as is the case with the brain sample of the healthy person.
«We examined the impact of beliefs about cravings prior to and after smoking while also measuring neural activity,» said Gu, who also serves as the head of the Computational Psychiatry Unit at the Center for BrainHealth.
Researchers from the MRC Centre for Developmental Neurobiology (MRC CDN) at the Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, have discovered a new molecular «switch» that controls the properties of neurons in response to changes in the activity of their neural network.
Contestants could feed the program their own sound files and analyze the neural net's simulated bursts of activity, or they could look at archived responses to sound files that Brody and Hopfield had presented to the neural net.
Because the RNAi wasn't used to dampen FOXP2 activity until 23 days after the birds hatched, the new study shows that the gene has a role beyond embryonic development, says neurogeneticist Simon Fisher of the University of Oxford in the U.K. «The gene, at least in songbirds, may have important active functions in [neural] circuits,» he says.
Newberg's scans showed that neural activity decreases in a region at the top and rear of the brain called the posterior superior parietal lobe.
To work out why stimulation has this effect, Damiaan Denys and Martijn Figee at the Academic Medical Center in Amsterdam, the Netherlands, and colleagues recorded neural activity in people with electrodes implanted into a part of the brain called the nucleus accumbens.
Next, working with anesthetized rats, they sent direct ionic current into the sciatic nerve in the legs and, using neural recording electrodes, recorded whether this current inhibited the activity of individual or groups of neurons at the spinal cord.
Therefore, we considered that the Acks signals detected at each sampling time mainly reflect neural activity involved in the following phases of the bee ball formation; 0 min: normal phase before presentation of the hornet; 30 min: early phase of bee ball formation, such as the recognition of the hornet and / or formation of the bee ball; 60 min: late phase of the bee ball formation, such as the maintenance of the bee ball.
Of all the patterns of neural activity that could produce a given movement, the brain must pick one, and this «choice» may be illuminating regarding the basic principles at plaOf all the patterns of neural activity that could produce a given movement, the brain must pick one, and this «choice» may be illuminating regarding the basic principles at plaof neural activity that could produce a given movement, the brain must pick one, and this «choice» may be illuminating regarding the basic principles at play.
These «delayed response tasks» suggest that working memory, at the level of brain cells, is the result of self - sustaining patterns of neural activity — a group of neurons starts firing when the initial information is presented and maintains that firing internally when the stimulus is no longer present until the animal acts on that information.
This result suggested that contribution of the antennal sensory input to the neural activity in the whole MBs of heat - exposed workers is partial at most.
In the last few years, powerful experimental techniques that can monitor the activity of many neurons at once have generated a new field of neuroscience — «neural dynamics» — which uses sophisticated mathematical models to describe how brain activity evolves on a moment - to - moment basis.
Thin - film microelectrode arrays produced at Lawrence Livermore National Laboratory (LLNL) have enabled development of an automated system to sort brain activity by individual neurons, a technology that could open the door to recording and analyzing unprecedented amounts of neural signals over time...
Studying how animals plan over these different timescales has been challenging, in large part because it requires many brain areas operating at once, and neuroscientists have lacked the tools to observe neural activity over broad swaths of the brain.
In part, this is because of the technical hurdles in observing the activity of those 100,000 neurons all at once and at the speed of neural processing.
«This shows that measuring high frequency variability during this early critical window of postnatal development has value for identifying NEC risk at a time when symptoms are not evident and interventions to improve the parasympathetic nervous system activity can be given,» said researcher R. Alberto Travagli, professor of neural and behavioral sciences.
Dec. 12, 2017 - Thin - film microelectrode arrays produced at Lawrence Livermore National Laboratory (LLNL) have enabled development of an automated system to sort brain activity by individual neurons, a technology that could open the door to recording and analyzing unprecedented amounts of neural signals over time...
Neural implants: Richard Andersen, the James G. Boswell Professor of Neuroscience, T&C Chen Brain - Machine Interface Center Leadership Chair; and director of the T&C Brain - Machine Interface Center, will work with Ueli Rutishauser (PhD» 08), associate professor of neurosurgery, neurology and biomedical sciences at Cedars - Sinai Medical Center, to observe brain activity of patients with neural prosthetics during social situaNeural implants: Richard Andersen, the James G. Boswell Professor of Neuroscience, T&C Chen Brain - Machine Interface Center Leadership Chair; and director of the T&C Brain - Machine Interface Center, will work with Ueli Rutishauser (PhD» 08), associate professor of neurosurgery, neurology and biomedical sciences at Cedars - Sinai Medical Center, to observe brain activity of patients with neural prosthetics during social situaneural prosthetics during social situations.
Once the Vanderbilt small molecule library has been screened for potential modulators of the Y4 receptor, I will use the results to design efficient and accurate descriptors that can be used with artificial neural networks to predict activity at the Y4 receptor based on a small molecule's structural properties.
Moreover, researchers can already interpret a person's neural activity from functional magnetic resonance imaging scans at a rudimentary level1 — that the individual is thinking of a person, say, rather than a car.
Neuroscientists who want to follow the nervous system's cellular conversations will soon have access to easy - to - use technology that simultaneously monitors neural activity at hundreds of different...
Each booth at the event has interactive activities as well as information, and the pre-college students are encouraged to ask questions of the scientists and researchers at each booth who have years of experience in neural engineering.
In the 2007 - 2008 academic year, for instance, awards supported research on topics such as the imaging of brain regions involved in the learning of words, the relation between memory and the growth of brain cells in adulthood, the neural activity behind birdsongs and the processing of sensory data in the brains of infants at risk for autism.
At the Duke Center for Neuroengineering, the INNF is supporting a revolutionary project to understand the neural mechanisms underlying the onset of disease by recording the neuronal activity of brain structures controlling movement, sleep, and learning and memory.
He really means that increased neural activity in these areas of the brain is correlated with certain behavioral and cognitive phenomena, which actually means only that such activity tends to occur at about the same time as the behavioral and cognitive phenomena.
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