Sentences with phrase «of neural activity in»

So, the blood flow is an indication of neural activity in the brain.
Then of course we don't know the outcome of the virtual reality stimulation studies yet, but we like to think that the study that we're now conducting and studies like it from people outside the CFC are raising the conversation and are raising the importance of neural activity in retinal ganglion cells as a way to both keep ganglion cells alive and perhaps even to bring back some that are really on the brink of dying.
«This advance is, in our opinion a crucial first step towards high density, full - coverage mapping of neural activity in a sizeable brain region,» says team member and lead author of this study Xiaoling Wei.
This result, however, might not necessarily mean that IAA plays no significant role in this defensive behavior because the Acks induction was not clearly observed in the ALs of the Japanese honeybee workers even after the seizure - induction, suggesting that Acks might not be applicable for detection of neural activity in the ALs (data not shown).
The resulting image reveals levels of neural activity in the moment immediately after she received the radioactive fluid, when she presumably was still immersed in contemplation.
In 1995, Hinton and colleagues proposed that sleep serves the same function as the baseline component of the algorithm, the rate of neural activity in the absence of input.
Meanwhile, the decoder now also keeps track of the baseline levels of neural activity in the motor cortex during moments when participants have chosen to pause.
The technique is an indirect measure of neural activity in the brain: as a region activates, it consumes oxygen, and neurologists use fMRI to track fresh oxygenated blood surging in to replace the old.
To determine how information is represented in this area, we measured spatial modulation of neural activity in layers of medial entorhinal cortex projecting to the hippocampus.
Recordings of neural activity in the frontal cortex of the rats showed that, like humans with schizophrenia, these rats also lacked the low frequency burst of brain activity (delta wave) during the timing task.
Together, they developed an optical imaging and temperature control system that enabled them to take a snapshot of neural activity in the circadian clock network of fruit flies when the flies are exposed to heat or cold stimulus.

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 puzzleIn 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 puzzlein a number of participants tasked with solving complex word puzzles.
If conscious occasions are to play a role in the activities of the body, they must interact with neural occasions.
Also there is evidence of molecular mechanisms in the cell membranes that can amplify small changes in the field to produce large changes in neural activity.13 On the other hand, earlier tests of Kohler's theory found that interference with electrical gradients over the cortex had no effect on behavioral measures (see note 11 for reference to these studies).
I recently visited a laboratory in which the activities of individual neurons were being monitored by transducing the neural impulses to pulses of sound.
Theories abound, but one popular idea — favoured by the authors of this study — is that it reflects the action of attention which appears to sample neural activity in rapid bursts.
Psilocybin, a hallucinogenic compound found in magic mushrooms, may help re-set the activity of neural circuits in the brain that are involved in depression
In the naturally resilient animals the higher neural activity seemed to induce a counterreaction that resulted in the subsequent quieting of overactive neuronIn the naturally resilient animals the higher neural activity seemed to induce a counterreaction that resulted in the subsequent quieting of overactive neuronin the subsequent quieting of overactive neurons.
«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.
Electroencephalography (EEG), which measures electrical activity through the scalp, was previously considered too insensitive to relay the neural activity involved in complex movements of the hands.
Researchers studying the brain have long been interested in its neural oscillations, the rhythmic electrical activity that plays an important role in the transmission of information within the brain's neural circuits.
Working with the Wilson - Cowan model, a widely - used model in computational neuroscience that describes the average activity of populations of interconnected neurons, Alonso has designed a new mathematical tool to help other neuroscientists explore the broad spectrum of responses possible from a simple neural circuit.
Focusing on the neural pathway from the brain's prefrontal cortex to the amygdala, they combined optogenetics — a technique that uses light to control the activity of neurons in living tissue — with behavioral testing, a methodology that allows researchers to study functional connections between different regions of the brain.
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.1180142In 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.1180142in the left dorsal horn, which runs the length of the spinal cord (Science, DOI: 10.1126 / science.1180142).
Using an electroencephalogram (EEG) to detect electrical activity in the brain, Emmanuelle Tognoli, Ph.D., co-principal investigator, associate research professor in FAU's Center for Complex Systems and Brain Sciences in the Charles E. Schmidt College of Science, and an expert in electrophysiology and neural, behavioral, and cognitive sciences, will examine how the tactile information from the robotic sensors is passed onto the brain to distinguish scenarios with successful or unsuccessful functional restoration of the sense of touch.
A study by researchers from McGill University in Canada involving neuroimaging, which creates pictures of the brain's structure and neural activity, showed that smelling the body odor of someone closely related activates the dorsomedial prefrontal cortex, a part of the brain responsible for recognizing family.
A technology that uses magnetism to regulate neural activity shows a small benefit in patients with mild forms of the disease
Nobody really knows how the activity in your brain reorganizes as you learn new tasks, but new research from Carnegie Mellon University and the University of Pittsburgh reveals that the brain has various mechanisms and constraints by which it reorganizes its neural activity when learning over the course of a few hours.
In a set of electrophysiology experiments published in 2009, Bikson and some of his colleagues demonstrated that a mild electric field can synchronize activity in a neural networIn a set of electrophysiology experiments published in 2009, Bikson and some of his colleagues demonstrated that a mild electric field can synchronize activity in a neural networin 2009, Bikson and some of his colleagues demonstrated that a mild electric field can synchronize activity in a neural networin a neural network.
A miniature microscope (right) about the size of a quarter let researchers peek inside mice's heads and glimpse neural activity involved in social behavior.
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.
An area of the mouse hippocampus glows green, indicating that the new method of electrical stimulation excited neural activity in this deep brain structure.
«When faced with a new task, we're finding that the brain is constrained to take the neural activity patterns that it's capable of generating right now and use them as effectively as possible in this new task.»
But in an animal study published in Nature in 2012, Shenoy and his colleagues reported finding that much more is going on: Motor cortical neurons work as part of an interconnected circuit — a so - called dynamical system — to create rhythmic patterns of neural activity.
«This connection between an innate call and the activity of a brain area important to learned vocalisations suggests that during the evolution of songbirds, the role of the song area in the brain changed from being a simple vocalisation system for innate calls to a specialised neural network for learned songs,» concludes Manfred Gahr, coordinator of the study.
A new study published in PLOS Computational Biology investigates how temporal acoustic patterns can be represented by neural activity within auditory cortex, a major hub within the brain for the perception of sound.
A team of researchers from the Department of Evolutionary Neuroethology, led by Sonja Bisch - Knaden, has investigated whether neural activity patterns linked to either feeding or egg - laying behavior can already be observed in the antennal lobe, which is the first processing level of scents in the insect brain.
He was paralyzed, but the moment he thought about using his hand, we saw changes in neural activity in the specific part of the motor cortex associated with hand movement.
The study, which is the first to examine the effects of infant vocalizations on adult neural activity during a cognitive task, will be published in the journal PLOS ONE.
The research team made its findings by recording and analyzing the neural activity in the ventral premotor cortex of three trained rhesus macaques as they participated in a series of grip tasks.
When patients like Godfrey Catanus in the study heard the voice of a family member calling their names out loud and reciting stories while they were in an MRI, their brains showed increased neural activity.
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.
When patients in the study heard the voice of a family member calling their names out loud and reciting stories while they were in an MRI, their brains showed increased neural activity.
While male and female participants performed about the same in terms of accuracy and reaction time, the neural pathways that were activated were different: Women showed greater activity in both hemispheres in the prefrontal cortex — in regions implicated in language functions and higher - level cognitive functions — than men.
And researchers hope that scanning the brains of subjects engaged in such tasks will reveal clues about the neural activity required for conscious awareness.
They used a somewhat bizarre technique in which two mice were sutured together in such as way that they shared a circulatory system (known as parabiosis), and found old mice joined to their youthful counterparts showed changes in gene activity in a brain region called the hippocampus as well as increased neural connections and enhanced «synaptic plasticity» — a mechanism believed to underlie learning and memory in which the strength of neural connections change in response to experience.
Conducting studies on brain synchrony — neural activity that is in sync among people — in real - world settings offers a great opportunity for new types of data, Dikker says.
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?
a b c d e f g h i j k l m n o p q r s t u v w x y z