Sentences with phrase «as neural activity»

Using Acks as a neural activity marker, we demonstrated that neural activity in the mushroom bodies, especially in Class II Kenyon cells, one subtype of mushroom body intrinsic neurons, and a restricted area between the dorsal lobes and the optic lobes was increased in the brains of Japanese honeybee workers involved in the formation of a hot defensive bee ball.

To map the active regions in the brains of the Japanese honeybee workers during the formation of a defensive bee ball, we intended to use the kakusei homolog as a neural activity marker.

Using Acks as the neural activity marker, we next attempted to find brain regions of the Japanese honeybee workers that were active during the formation of a hot defensive bee ball.

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.

Not exact matches

The neural activity corresponding to the object is «erased» in the brain as a path is prepared for the next actuality.

Neural networks simulate brain activity by trying to make connections between different data points and using those connections to create original «ideas» (but think of those ideas as crowd - sourced from a bunch of external sources).

Your preschooler's brain is a beehive of activity as it forms countless new neural connections that help him understand the whats, whys, and hows of the world.

Because the neural circuitry of the brain operates via electro - stimulation, applying small amounts of electrical current to the scalp (transcranially) has been investigated as a means of modulating brain activity.

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.

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.

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.»

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.

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.

«We are now exploring whether the method can also be used to control neural activity as a means for noninvasively modulating the activity of neural circuits.»

Since neurons can be depolarized by calcium and other positively charged ions, such as those the TRPV1 channel controls, we hope that this system may be effective at regulating neural activity.»

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.

As Poldrack lay still for 10 noisy minutes, the machine measured the activity throughout his brain's neural networks.

After getting a full night's rest at the lab, which researchers monitored by measuring neural electrical activity, their brains were scanned via functional MRI as they waited to be shown, and then viewed 90 images during a 45 - minute session.

Rather than disc degeneration being the sole explanation for pain persistence, increased neural activity can manifest as pain hypersensitivity.

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.

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.

In the real brain, maintaining a proper balance in neural network activity is important; disruptions in it appear to foster disorders such as epilepsy, and perhaps schizophrenia and autism.

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.

«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?»

But neural activity for the uncued item quickly dropped to baseline, as if it had been forgotten, whereas the EEG signature of the cued item remained, a sign that it was still in working memory.

In this way, we can track changes in neural activity as learning progresses.»

Brain response was gauged by functional MRI, which measures changes in blood flow as a proxy for neural activity.

Tools developed via the Brain Activity Map may monitor vast ensembles of neurons as they fire — bringing static maps of neural circuits to life (shown above).

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.

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.

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.

Several years ago, Yuste and other scientists originally pitched BRAIN to U.S. government officials as the Brain Activity Map, a 10 - year, $ 3 billion effort to develop tools in nanotechnology, optogenetics, and synthetic biology that could measure «every spike from every neuron» in a neural circuit.

«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.

The scientists used functional magnetic resonance imaging (fMRI) to capture neural activity in the insula cortex, a region of the brain that plays a role in diverse functions such as bodily perception and self - awareness.

Another clue is an association between openness and activity in the «default network,» a neural system that simulates various experiences such as mind wandering, mental time travel and imagining others» point of view.

The patterns of neural activity underpinning our selves keep changing throughout our lives as we learn to play checkers, read Thus Spake Zarathustra, fall in love, lose a job, win the lottery, get divorced, take Prozac.

These research findings deliver new insight into the neuronal control of movement termination in vertebrates: «Stop cells» are brainstem neurons that affect neural networks in the medulla as command neurons and quickly end body activity.

To compare hearing ability in former musicians to people who never played an instrument, researchers measured the electrical brain activity produced by a type of auditory processing called «neural timing,» which enables people to respond to split - second changes in sound such as the transition from a consonant to a vowel.

The study, just published in the Proceedings of the National Academy of Sciences, found heightened neural activity in the brain's connector hubs during complex tasks, such as puzzles and video games, while networks dedicated to specific functions did not need to put in extra work.

During training sessions for BrainGate, the computer software learns to associate patterns of neural activity with the intent to move a hand in a particular direction; it can use those intentions to pilot a computer cursor or, if all goes as planned, a motorized wheelchair.

Studies of meditation carried out with other techniques, such as magnetic resonance imaging and electroencephalography, have revealed different patterns of neural activity — not surprisingly, since meditation is a complex behavior that evokes many different psychological states.

And this delay seems to be filled with widespread neural activity, as revealed by later fMRI scans.

After the tests, the scans of neural activity happening in areas known for facial recognition — as well as other types of visual recognition — were statistically identical for both men and women.

As this happened, they used an fMRI scanner to log changes in blood oxygen levels across the brain — a sign of neural activity.

Therefore, as with the behavioral data, neural activity is combined across all intervals (aside from first intervals) in subsequent analyses.

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).

But neural activity in regions associated with the self and with social considerations serves as a type of common denominator for various types of social and self - related thinking.

The demonstration in this paper, that the secondary fMRI response (the post-stimulus undershoot) is not simply a passive blood flow response, but is directly related to synchronous neural activity, as measured with EEG, heralds an exciting new chapter in our understanding of the workings of the human mind.»