Sentences with phrase «on neural activity»

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

Most interestingly, the insight that users» brains can subconsciously detect phishing attacks, even though users themselves may fail at detecting them, can be used to build future automated phishing detection mechanisms based on neural activity.

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

Not exact matches

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 studiesOn 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 studieson behavioral measures (see note 11 for reference to these studies).

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.

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.

While psychological tests focused on facial recognition show no difference between these groups, the scientists found differences in these recognition abilities on the ERP measurements, which look directly at neural activity.

The collective neural activity therefore looks different when executing the same grip on one object versus another.

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.

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.

Using transcranial magnetic stimulation on 17 volunteers, they inhibited neural activity in the frontotemporal area.

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.

The researchers found: cord plasma increased the activity of several genes linked to neural plasticity and memory; young adult plasma activated a subset of the same genes; and older adult plasma had no effect on gene expression.

Brain activity in unborn children has been hard to study, and neonatologists have been forced to rely on indirect measures — such as heart rate — for clues to neural activity.

Electrodes are surgically implanted into or on top of target nerve fibres, ready to sense electrical signals from neural activity or to deliver electric current that mimics the language of the nervous system.

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.

In a series of experiments in mice, the researchers developed a computer program that connected the neural activity in the animals» brains to musical notes, so that when one group of neurons switched on, a corresponding musical note played.

The translation relies on a decoder, an algorithm that infers the movement intentions of the user from the patterns of their neural activity.

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.

For the purpose of the study, Slomowitz grew a neural network on an array of electrodes and recorded the activity of single individual neurons in the network.

«Different neural strategies for junior high school male and female English learners: Boys and girls exhibit distinct neural activity on hearing English sentences.»

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 %.

Scientists seeking to understand the neural mechanisms underlying social cognition and emotion have drawn on a variety of methods, including studies of patients with neurological damage and single - cell recording of brain activity in nonhuman animals.

Functional MRI produces maps of the brain based on oxygenated blood flow related to neural activity.

The newer, brain - controlled versions of these devices work in one of two ways; either through an electroencephalogram (EEG) cap that detects neural activity using electrodes placed on the scalp or a device planted directly into the brain.

Although ATP acting on neural P2X receptors is crucial for transmission of all taste qualities (Finger et al., 2005; Vandenbeuch et al., 2015), the role of other substances acting as neurotransmitters, cotransmitters, or modulators of neural activity is less clear (Kaya et al., 2004; Huang et al., 2005; Jaber et al., 2014; Takai et al., 2015).

They found that older adults who had greater variability in neural activity in specific brain regions performed better on fluid ability and memory tasks, and also had better quality of structural white matter connections in the brain.

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.»

Yuste says the answer might lie in what he calls the brain's «dark matter,» the neural activity that goes on constantly behind the activity evoked by sensory stimuli.

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.

The primers and probes for quantitative RT - PCR were designed based on the nucleotide sequences corresponding to the above - mentioned putative neural activity - inducible Acks transcript (Figure 1A).

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.

Tonegawa and his colleagues use optogenetics to generate neural activity on command in specified regions of the brain.

The findings may even have implications for studying glioblastoma, a common brain cancer whose ability to grow, migrate and hack into the brain's blood supply appears to rely on a pattern of gene activity similar to that now identified in these neural stem cells.

Leukemia inhibitory factor (LIF): Altered LIF levels have been used to spur neural cells into greater activity that can better restore lost myelin sheathing on nerves.

Karl Deisseroth, M.D., Ph.D., Matthew Lovett - Barron, Ph.D., and Stanford University, Palo Alto, California, colleagues, report on findings using a neural activity screening technology they call Multi-MAP (Multiplexed - alignment of Molecular and Activity Phenotypes) online Nov. 2, 2017 in the journactivity screening technology they call Multi-MAP (Multiplexed - alignment of Molecular and Activity Phenotypes) online Nov. 2, 2017 in the journActivity Phenotypes) online Nov. 2, 2017 in the journal Cell.

«It's important to work on awake rather than anesthetized brains to directly correlate neural activity with behavior,» she explains.

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.

Summary: Recent advances in systems neuroscience have motivated a shift of perspective on neural code from static single - neuron codes such as tuning functions to codes that are governed by structure and dynamics of population activity.

We compared the effects of ACE and IMI on mammalian nAChRs with those of nicotine, using an excitatory Ca2 + - influx assay as an index of neural physiological activity.

In the brain, however, certain neurons have the ability to switch properties depending on neural network activity, researchers have found.

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.

The scientists used optogenetics — an innovative research tool that uses light to activate or inhibit select cells in the brain — to stimulate either the go or the stop pathway in mice that were running on a tiny treadmill, while recording neural activity in the brainstem.

Development of cortical neural circuits, in particular on activity - dependent remodeling and how to correct mis - wiring in neurological disorders.

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.

Unlike more traditional therapeutic modalities such as small molecules or antibodies, Neurona is focused on unique compositions of cells that can be precisely targeted, integrated into damaged neural circuits, and provide activity - dependent regulation.

Then, while the participants performed an attention testing task, neural activity in the brain was measured by making use of electrodes on the scalp.

The significance of the -LRB-...) findings centers on providing an improved understanding of the neuromuscular system through «elite aging» and provides support into the favorable value of long - term physical activity and exercise for protecting neural function.

• The most powerful androgenic prohormone on the market • Dramatically increases DHT levels • Displays potent anti-catabolic activity • A powerful neurosteroid (improves energy levels, motivation, and the promotion of the alpha - male mentality) • Interacts with the GABA receptor (provides stress - reducing, rewarding, pro-social, anti-depressant, anxiolytic, analgesic, and neuroprotective effects) • Increases strength via improvements in neural firing • Improves libido

... on my head is a Vielight photobiomodulation device for enhancing alpha brain wave production and increasing mitochondrial activity in neural tissue...