Sentences with phrase «with neural activity»

A comparison wa made between their behavior change from the beginning to the finish of the research with neural activity in a specific brain region which a previous study had indicated is predictive of behavior change.

The researchers were able to zero in on the Broca's area as well as related brain circuitry specifically linked to speech, using regional cerebral blood flow as a measure of brain activity, since blood flow is typically coupled with neural activity.

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.

Again, Nrf2 - related activity was observed only when astrocytes were present in cultures, but significantly, Nrf2 signaling increased in tandem with neuronal firing, suggesting that neurons calibrate Nrf2 activity in astrocytes to keep pace with neural activity.

Even at rest, the brain hums with neural activity.

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.

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).

The researchers measured the neural activity of the mums and dads whilst they were being shown videos of themselves interacting with their children.

Overall, fMRI studies show that neural activity in women with PPD compared to people with major depression who had not given birth involves distinct patterns for new mothers with PPD.

That's the conclusion of a new study that logged the neural activity of 12 high school students and their teacher with electroencephalography (EEG) headsets over 11 classes.

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.

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.

A team led by Aaron Schurger of Princeton University reasoned that repeatedly presenting the brain with the same sensory input should evoke similar neural activity each time — if the input is processed consciously.

The exact location of neural activity is far more difficult to discern via EEG than with many other, more invasive methods because the skull, scalp, and cerebral fluid surrounding the brain scatter its electric signals before they reach the electrodes.

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 technology that uses magnetism to regulate neural activity shows a small benefit in patients with mild forms of the disease

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.

The researchers imaged the same neurons across multiple trials and multiple days, and correlated changes in neural activity with changes in social behaviors, such as sniffing, mounting, and attacking.

«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.»

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.

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.

They had to greatly simplify the EEG data being collected (using only canonical frequency bands) to come up with an intuitive way to visualize the neural activity.

fMRI is a medical imaging technique which, when applied to the brain allows us to non-invasively observe neural activity associated with specific human behaviour.

O'Connor believes this continued neural reward activity probably interferes with adaptation to the new situation.

The researchers also found that activation of ESP1 - responding neurons in the region of the brain called the hypothalamus enhanced sexual behavior in female mice, even in the absence of actual ESP1, by using various tools to chemically or optically control neural activities, combined with a process called the TRAP method, which allows them to selectively manipulate neurons responding to a particular stimulus.

Many researchers are also hopeful about clinical trials under way with drugs that block certain receptors for glutamate, the main neurotransmitter in the brain that excites neural activity.

After training, faster reaction times were associated with lower frontal lobe activity, which is consistent with the more energy - efficient neural activity found in younger adults.

Several lines of evidence suggest that autism interferes with the neurotransmitter GABA, which typically puts a damper on neural activity.

«The finding is exciting,» says Bottjer, «because it provides a rare example of changes in neural activity that correspond with behavioral attempts to achieve a mental goal; in this case, to produce vocalizations that mimic the memory of a sound.

With the glycine shield gone, neural activity went up.

They tracked the resulting neural activity using functional magnetic resonance imaging (fMRI) and, with the help of a machine learning algorithm, showed they could classify the brain activity associated with each item.

Several of the brain areas that had lost gray matter during pregnancy responded with the strongest neural activity to their own babies as opposed to the photos of other infants.

As the neural activity associated with attention travels down throughout our visual system's circuits, it can also affect how we perceive and interpret the shapes of objects.

«If the brain's neural - activity patterns are in overdrive, as is often the case for people with addiction or OCD, could we create a computer program that can help to retrain their brains and downshift this activity?»

This boosted neural activity in the frontotemporal cortex, a brain region associated with conscious self - awareness, which normally gets tamped down during REM.

Whereas these advances have a great potential for research and medicine, they pose a fundamental ethical, legal and social challenge: determining whether or under what conditions it is legitimate to gain access to or interfere with another person's neural activity.

The volunteers» subjective feelings closely tracked with their brain activity, implying a common neural experience of anxiety and dread, Naci says.

Compared with stimulation from traditional cochlear implant electrodes, the light produced more precise neural activity in the brain stem, similar to normal hearing.

Millisecond variations in neural activity are known to affect learning and information processing, so it makes sense that those with the best timing are also the brightest, the researchers say.

The analysis suggested that a protein produced by a gene called Olig2, which is only expressed in the neural progenitors that create motor neurons, promotes motor neuron formation by interfering with the activity of several members of another gene family — the Hes genes.

This article was originally published with the title «Scientists Create a Map of Smell Similarity Based on Neural Activity»

Even the added neural exertion from mental activities like reading and video games can interfere with the cerebrum's ability to heal — particularly in the first 24 hours after injury.

With a neurosurgeon at Massachusetts General Hospital, he's also creating brain implants for reading or controlling neural activity — helpful for diagnosing and treating people with epilepsy, or eventually for building those sci - fi brain - computer interfaWith a neurosurgeon at Massachusetts General Hospital, he's also creating brain implants for reading or controlling neural activity — helpful for diagnosing and treating people with epilepsy, or eventually for building those sci - fi brain - computer interfawith epilepsy, or eventually for building those sci - fi brain - computer interfaces.

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.

The synapses in the network start out with a random distribution of weights, and the weights are gradually tweaked according to a remarkably simple procedure: The neural firing pattern generated while the machine is being fed data (such as images or sounds) is compared with random firing activity that occurs while the input is turned off.

They speculate that the correlation could have something to do with the patterns of neural activity surrounding the amygdala, the seat of fear in the brain.

This new sequence of activity coexisted with the electrical pattern that was spontaneously generated when the neural culture was initially linked.

It is also the first to demonstrate that a deep convolutional neural network — a computing system modelled after the neuron activity in animal brains that can basically learn on its own — can effectively differentiate between similar plants with an amazing accuracy of nearly 100 %.