Sentences with phrase «of neural activity»

Different patterns of neural activity yielded different combinations of notes.
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.
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?
This data will amount to a map of neural activity underlying short - term memory, decision - making and movement initiation.
The study found that when you sleep your brain removes toxic proteins from its neurons that are by - products of neural activity when you're awake.
The scientists then used powerful computers to crunch the imaging data, seeking out common patterns of neural activity at different ages.
The fish's brain and spinal column were showing signs of neural activity.
During these tasks, the brain showed four different types of neural activity.
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.
The invasive electrodes sit directly on the surface of the brain, providing a unique and detailed view of neural activity.
Using sophisticated genetic and imaging techniques, we can take measurements of neural activity at up to 200 times per second.
So, the blood flow is an indication of neural activity in the brain.
THE brain has such fine control over the muscles used to speak that every sound produces a different pattern of neural activity.
During the course of the game, the scanner tracked the blood flow to different parts of the brain, creating a map of neural activity.
«We were surprised to observe high levels of neural activity in areas of the brain important for decision making, as well as in purely sexual arousal areas, in response to olfactory clues,» remarks study co-author Charles T. Snowdon of the University of Wisconsin - Madison.
Besides activation to places, the timing of neural activity in the hippocampus is also important.
This new understanding would not only protect people from being denied access to treatment for mental illness but would also protect all of us from harmful manipulations of our neural activity through the misuse of technology.
Recent developments in electrophysiological and optical recording techniques permit us to simultaneously monitor the activity of large numbers of single units, opening up numerous possibilities for correlating patterns of neural activity with mental phenomena such as thoughts, intentions and emotions.»
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).
E.S. Boyden et al. «Millisecond - timescale, genetically targeted optical control of neural activity
Haas found a link between those with high borderline personality traits and a decreased use of neural activity in two parts of the brain: the temporoparietal junction and the superior temporal sulcus, two brain regions implicated to be critically important during empathic processing.
New devices are being developed by Medtronic and other medical device companies that can allow both stimulation and monitoring of the neural activity which can facilitate tuning of the parameters and even delivery of stimulation triggered by neural activity.
Foster and Wilson say previous studies have demonstrated how rats» hippocampal cells rerun patterns of neural activity during sleep.
In order to determine what factors are associated with firing rate changes, we generated a prediction of neural activity by convolving observed neural activity aligned with one saccade direction with the intersaccade distribution times aligned with the other saccade direction.
Furthermore, we asked what kind of sensory information induces the pattern of neural activity observed during defensive bee ball formation and found that it may relate to the processing of thermal information.
Across the limited regions of the brain they scanned... glucose significantly raised the level of neural activity for about 20 minutes following the infusion.
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.
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.
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.
So far, efforts to find a brain signature of consciousness have focused on the intensity of neural activity, how long it lasts, and whether signals tend to be synchronised across different regions of the brain.
«We were looking for something other than the intensity and duration of the neural activity that characterises conscious neural processing,» says Aaron Schurger of Princeton University in New Jersey, who led the new work.
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.
For decades, it has been well established that for parts of the brain to mature and establish the specific connections that make cognition possible, waves of neural activity must spread from the eyes, ears, and nose to the center of the nervous system, the brain's sensory cortical areas.
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.
The random fluctuations of neural activity in the brain might provide that trigger, encouraging movement when this noise accumulates to a threshold level.
The team constructed a computer model of this neural activity to probe the idea.
Recent studies have found that patterns of neural activity seen when an animal is learning a new task are replayed later during sleep.
Then volunteers lay in a scanner and had their brains imaged with three different techniques, which together built up a comprehensive picture of neural activity, both with the drug and without.
If you get about the same amount of information for each action potential spike of neural activity, as we found, then the more spikes you can put toward a problem, the faster you can decide what to do.
To the team, this fact then begged the question: Could the brain be trained to learn the right pattern of neural activity normally involved in experiencing something enjoyable, and then replay that pattern at will to trigger a dopamine release?
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.
There is talk of reaching inside brains to «film» the trails of neural activity blazed by flitting thoughts and feelings.
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.
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 products are crude, imprecise and sometimes frustratingly nonresponsive — that's how it goes with EEG - based headsets, which pick up only the faintest electroencephalographic echoes of neural activity through the skull.
If you record 20 minutes of neural activity in a mouse brain, you produce about 500 petabytes of «flickering», in which nerve - cell firing is represented as changes in pixel values, says neuroscientist Florian Engert of Harvard University in Cambridge.
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).
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.»
We seek to develop a mathematical framework that can explain how invariant components emerge from the seeming chaos of neural activity and how their dynamics implement the computations necessary to drive behavior.
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