Sentences with phrase «neural patterns of»

Not exact matches

Artificial neural networks (ANN) are programmed to be cognizant of patterns.

If researchers feed enough images of cats into these neural networks, they learn to recognize patterns in those images so they can eventually spot felines in photos without human help.

«We use high - performance transactions systems, complex rendering and object caching, workflow and queuing systems, business intelligence and data analytics, machine learning and pattern recognition, neural networks and probabilistic decision making, and a wide variety of other techniques,» founder and CEO Jeff Bezos famously noted in a 2010 letter to shareholders.

To train these neural networks to recognize images of cats in photos, for example, Shallue said Google fed neural networks enough cat photos so that the software eventually could discover cats in new photos on its own based on patterns it discovered.

With deep learning, researchers can feed huge amounts of data into software systems called neural nets that learn to recognize patterns within the vast information faster than humans.

When the model was run repeatedly, the pattern of neural noise before the decision appeared as a readiness potential.

For instance, suppose that experiment after experiment showed that brain wave patterns deviate most from patterns of neural activity when people are making what look like free choices.

This again is achieved by a series of steps, each of which triggers off pre-set neural mechanisms, activates linguistic holons of a more and more automatised type; the canons of grammar and syntax exert their rule unconsciously, automatically; and the last step in articulating the sounds of speech is performed by entirely mechanised patterns of muscle contractions.

Compared with infants born full term, the late preterm brain has lower brain volume and less distinct patterns of neural connectivity.

Artificial neural networks, computer programs that mimic the human brain, are great at learning patterns and sequences, but so far they've been limited in their ability to solve complex reasoning problems that require storing and manipulating lots of data.

Yet the young men in the study didn't exhibit any of these neural patterns, suggesting that this may be a developmental pathway that makes females more prone to becoming anxious.

It is enough, for instance, that the stimulus that provides the sensation of touch is moved some ten micrometres across the skin in order for the neural patterns to be completely different,» says Henrik Jörntell.

The team thinks that reproducibility — the replication of similar neural patterns in the brain each time it becomes conscious of the same sensory input — gives us clues as to what consciousness is.

With this technology, researchers can be selective about which neurons they engineer to be responsive, and an optical implant can emit light in a variety of patterns, allowing more precise control over neural circuits.

«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.»

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

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.

In his latest book, Adam Piore explores how bioengineers are harnessing the latest technologies to unlock untapped abilities in the human body and mind, like translating neural brain patterns of thoughts into written words

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.

The team found that the pattern of the neural noise leading up to the decision, averaged over multiple trials, looked like a readiness potential.

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.

The technology, part of an 18 - month, $ 2.4 million Defense Advanced Research Projects Agency (DARPA) undertaking, relies on electroencephalography (EEG) to detect the cascade of neural firing patterns in your brain when you spot something novel or interesting, even if you're unaware of it.

Understanding how the brain generates these neural codes can lead to the development of state - of - the - art neural prosthetic devices, more closely imitating the neural coding patterns normally used by the brain.

After analysis, the researchers were able to observe how the patterns of neural activity were changing at each stage of each task.

Vargas - Irwin and his colleagues are continuing with experiments to determine how well the findings can be generalized — to a wider variety of objects, for instance — and how much the structure of the experiments and training affects the neural patterns.

A trajectory visualization shows how neural patterns associated with planning grips of different objects converged and diverged as the experimental task proceeded.

Programmers trained an artificial neural network to «read,» activating more strongly when shown patterns of light depicting certain letters of the alphabet and less strongly when shown others.

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.

Recent studies have found that patterns of neural activity seen when an animal is learning a new task are replayed later during sleep.

To achieve this sort of mind reading, scientists would have to compile a «dictionary» for translating specific neural patterns into specific memories, perceptions, and thoughts.

For example, neural excitation is thought to induce form constants, the dynamic patterns I saw when I closed my eyes under the influence of peyote; these are also generated by migraines, epileptic seizures, and other brain disorders.

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.

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.

A camera was used to capture the beams of light and an artificial neural network was deployed to reveal the pattern and remove any possible disturbances that may have been caused by air turbulence.

Brain Signal For Awareness: Minimally conscious and vegetative patients show different patterns of neural activity.

What makes today's deep neural nets at once powerful and capricious is their ability to find patterns in huge amounts of data.

Foster and Wilson say previous studies have demonstrated how rats» hippocampal cells rerun patterns of neural activity during sleep.

For example, by carving up an image of a cat and feeding a neural net the pieces one at a time, a programmer can get a good idea of which parts — tail, paws, fur patterns or something unexpected — lead the computer to make a correct classification.

«It makes sense that the brain would mimic the feeling of reward it gets from an enjoyable experience by producing the corresponding pattern of 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.

«The gaze patterns show that users are reading the warnings, the neural activity shows that users are undergoing high workload and are highly engaged when warnings were displayed, and the task accuracy shows that users heed warnings a large majority of the time.»

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.

Different patterns of neural activity yielded different combinations of notes.

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

«After repeated attempts, your brain gets better at recreating that pattern of neural activity, and you get better at the game.»

Based on these patterns, the researchers were able to accurately predict the neural signature of formerly untested scents.

«We are exploring this through modelling information processing in parts of the insect brain, and we find that often, exceedingly difficult tasks, for example in visual pattern recognition or floral scent learning, can be solved with extremely simple neural circuits.

«They suggest that different patterns of polyunsaturated fats promote specific aspects of cognition by strengthening the underlying neural circuits that are vulnerable to disease and age - related decline.»

In this study they measured phase response curves from a computer simulation of brain activity, predicted what stimulus patterns would suppress the neural oscillations, and then demonstrated that the stimulation patterns predicted to suppress the oscillations were in fact effective.

«There are patterns at every stage of life that are different from the patterns at other stages, and with the system we created we can see that really clearly in ways that are surprisingly complex and robust,» says Bargmann, who is the Torsten I. Wiesel Professor and head of the Lulu and Anthony Wang Laboratory of Neural Circuits and Behavior.