Sentences with phrase «by magnetic activity»

Not exact matches

fMRI (Functional Magnetic Resonance Imaging) «is a functional neuroimaging procedure using MRI technology that measures brain activity by detecting changes associated with blood flow,» according to Wikipedia.
Magnetoencelphalography, or MEG, is a technique that measures the tiny magnetic fields generated by brain activity.
Yellow lines represent magnetic field lines from the Sun carried by the solar wind, blue lines represent Martian surface magnetic fields, white sparks are reconnection activity, and red lines are reconnected magnetic fields that link the surface to space via the Martian magnetotail.
Now comes the remarkable news that neuroscientists have communicated with a man presumed to be in a vegetative state, by studying the activity in his brain with functional magnetic resonance imaging, fMRI.
The Sun's activity — including changes in the number of sunspots, levels of radiation and ejection of material - varies on an eleven - year cycle, driven by changes in its magnetic field.
Dr. Aron and colleagues based their study's conclusions on a neuroimaging study using functional magnetic resonance imaging (fMRI) scanning that measures brain activity by detecting changes in blood flow.
Structural magnetic resonance imaging (MRI), which measures the anatomy and structural integrity of the brain, and magnetoencephalography (MEG), which measures magnetic fields created by the brain's electrical activity, were used to track potential age - related differences as groups of younger and older adults performed a memory task.
At the start of the study, all the participants did some Web searching while the scientists monitored their brain activity by functional magnetic resonance imaging.
Bristow then used a functional magnetic resonance imaging scanner, or fMRI, to monitor any brain activity triggered by blinking, independent of the effect of eyelid closure on light entering the eye.
Lamm and his group recently sought the answer to answer this question by combining measures of electrical activity in the brain (via electroencephalogram) with functional magnetic resonance imaging to show blood flow patterns in 25 participants getting rounds of shocks on their hands.
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.
Egner and Chiu tested this hypothesis by scanning the brains of participants, using functional magnetic resonance imaging (fMRI, a noninvasive, indirect measure of brain activity) as they completed the tasks.
Different types of cognitive tasks spur activity in various regions of the brain, as indicated by studies using functional magnetic resonance imaging (fMRI).
At times of maximum solar activity, the magnetic ferment represented by sunspots frequently releases and leaps across space to Earth — to foment magnetic storms that disrupt communications networks and light the polar skies with auroral displays.
Subjects» neural responses to sound were measured using MEG, which records fluctuations in magnetic fields caused by neural activity.
In the scans at age 8, the researchers precisely defined the VWFA for each child by using functional magnetic resonance imaging (fMRI) to measure brain activity as the children read.
Over the past decade, her Western University colleague Adrian Owen has demonstrated that it is occasionally possible to detect awareness in unresponsive individuals by asking them to follow commands, such as to imagine playing tennis, while measuring their brain activity in a functional magnetic resonance imaging (fMRI) machine.
He used functional magnetic resonance imaging (fMRI), a means of measuring brain activity by detecting blood flow changes inside the brain, to measure differences in the strengths of communications between brain regions.
A sunspot is a region on the Sun's surface (photosphere) that is marked by a lower temperature than its surroundings and intense magnetic activity, which inhibits convection, forming areas of low surface temperature.
Now, a study in mice points to a less invasive way to massage neuronal activity, by injecting metal nanoparticles into the brain and controlling them with magnetic fields.
In their study the researchers showed different characters to test persons and recorded via functional magnetic resonance imaging the brain activity which was set into motion by the process of seeing.
This is because their intense magnetic activity interferes with the light emitted by the star to a far greater extent than a potential giant planet, even in a close orbit.
The research group of Norihiro Sadato, a professor of NIPS, Hirotaka Kosaka, a specially - assigned associate professor of the University of Fukui, and Toshio Munesue, a professor of Kanazawa University measured brain activity by functional magnetic resonance imaging (fMRI) when one's movement was imitated by others.
By chance, I came across a book by C. J. Schrijver and C. Zwaan called Solar and Stellar Magnetic Activity, «first published in printed format» by the Cambridge University Press in 2000, and on page 126 the authors refer to the same type of patterBy chance, I came across a book by C. J. Schrijver and C. Zwaan called Solar and Stellar Magnetic Activity, «first published in printed format» by the Cambridge University Press in 2000, and on page 126 the authors refer to the same type of patterby C. J. Schrijver and C. Zwaan called Solar and Stellar Magnetic Activity, «first published in printed format» by the Cambridge University Press in 2000, and on page 126 the authors refer to the same type of patterby the Cambridge University Press in 2000, and on page 126 the authors refer to the same type of pattern.
By several measures — geomagnetic activity, weakness of polar magnetic fields, flagging solar deflection of galactic cosmic rays — the minimum was the deepest on record, Hathaway said, although some of those records contain just a few cycles.
Since the brain operates electrically, one can, by sensing the magnetic fields created by neurological currents, monitor the activity of the brain — or the heart.
Transcranial magnetic stimulation — in which an electromagnet stimulates or suppresses neuronal activity — is also being explored by David's team to retrain the depersonalised brain.
Spence and colleagues use functional Magnetic Resonance Imaging (fMRI) technology to determine whether someone is fibbing by tracing blood flow to certain areas of the brain, which indicates changes in neuronal activity at the synapses (gaps between the neurons).
On the fifth day, the subjects performed these activities while being surveyed by functional magnetic resonance imaging (fMRI).
This period covers three of the Sun's 11 - year activity cycles, which see fluctuations in the rate at which energetic particles are created by the interaction between the Sun's magnetic field and its hot, highly charged outer layers.
Gow's method of investigating how the human brain perceives and distinguishes among elements of spoken language combines electroencephalography (EEG), which records electrical brain activity; magnetoencephalograohy (MEG), which the measures subtle magnetic fields produced by brain activity, and magnetic resonance imaging (MRI), which reveals brain structure.
To study how music preferences might affect functional brain connectivity — the interactions among separate areas of the brain — Burdette and his fellow investigators used functional magnetic resonance imaging (fMRI), which depicts brain activity by detecting changes in blood flow.
Fisher's team used functional magnetic resonance imaging (fMRI) to record the brain activity of 15 university - aged heterosexual men and women who had recently been jilted by long - term partners, and who described themselves as still being «absolutely and very intensely in love.»
Newly designed sensors detect the magnetic fields generated by electrical activity within cat brains.
To track the magnetic activity levels of stars over time, the team observed stellar X-ray emissions collected by NASA's Chandra X-ray Observatory, and ESA's XMM - Newton satellite.
A new study carried out by an international team of researchers has shed light on how long Sun - like stars and their less massive cousins remain in this youthful phase before their magnetic activity subsides.
To elucidate changes in human brain activity evoked by repetitive transcranial magnetic stimulation (rTMS), sub - and suprathreshold rTMS (4 Hz, 10 s) over the left primary sensorimotor cortex (M1 / S1)
Limbic Activity Modulation Guided by Functional Magnetic Resonance Imaging - Inspired Electroencephalography Improves Implicit Emotion Regulation.
This is a way of analyzing fMRI (functional magnetic resonance imaging) scans, which measure activity in the brain by looking at changes in blood oxygen.
The study does not address whether Proxima Centauri's activity cycle would affect the potential habitability of the planet Proxima b. Theory suggests that flares or a stellar wind, both of which are driven by magnetic fields, could scour the planet and strip away any atmosphere.
They studied rTMS effects on tactile discrimination accuracy and concomitant rTMS - induced changes in hemodynamic activity measured by functional magnetic resonance imaging (fMRI).
He claimed that the Maunder Minimum coincided in time with an era of colder weather, and that by implication the absence of magnetic activity was accompanied by a net fall in the total radiative output of the Sun.
Similar flare rates were calculated by Maehara et al. 15 and Shibayama et al. 16 using rotation instead of chromospheric emission as the criterion for selecting Sun - like stars with magnetic activity levels similar to the Sun.
By combining neuronal tracing with behavioral experiments leading to sensory - driven gene expression of the neuronal activity marker ZENK during magnetic compass orientation, we demonstrate a functional neuronal connection between the retinal neurons and Cluster N via the visual thalamus.
The proper placement of retrograde tracer into Cluster N was proven by co-localization of tracer and the neuronal activity marker ZENK, since Cluster N is the only part of the forebrain displaying movement - independent ZENK activity in night - migratory birds sitting still or performing magnetic compass orientation under dim light conditions at night [13].
Each individual had functional magnetic resonance imaging (fMRI), a method of brain scanning which measures activity in several areas of the brain by blood flow, while playing a card game designed to stimulate reward feelings.
In fact, a study by researchers at Stanford University, who used functional magnetic resonance imaging (fMRI) to study brain activity of people, found that the part of our brain involved with paying attention is engaged when we listen to certain types of music.
A sorting activity in which students sort materials by whether they are magnetic and non-magnetic.
PRODUCT PERKS Reinforce math concepts Enhance hands - on learning Build subitizing skills, which allow us to see a grouping of numbers and automatically know the amount without having to count Teach odds and evens with the two - color magnets Demonstrate with visual representations Make learning easier, more playful, and more engaging Write and wipe magnetic boards Double - sided board (single ten - frame on one side double ten - frame on the other) INCLUDES 4 magnetic double - sided answer boards 100 two - color magnetic foam countersd (red and yellow) Activity guide STEP - BY - STEP RESOURCES Activity Guide Recommended activities to do with students
Product Perks Learning Styles: Visual, Tactile Skill Development: Early math skills (counting, addition, subtraction, foundational place value) Great for small group: Allows students and teachers to engage INCLUDES 4 Magnetic Ten Frames 40 discs (20 blue, 20 green) Activity Guide STEP - BY - STEP RESOURCES Activity Guide Recommended activities to do with students.
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