Sentences with phrase «in magnetic activity»

One possible reason for the drop off in magnetic energy is that the reduction in magnetic activity mirrors a greater decrease in the rate of spin of older stars compared to their younger counterparts.
Because of this relationship, astronomers know that a dip in a star's X-ray emission would mirror a decline in its magnetic activity, as the two are intrinsically linked.
In 2008, the sun entered a deep lull in magnetic activity.

Not exact matches

Using functional magnetic resonance imaging to measure changes in blood flow, she found that as people received more information, their brain activity increased in the dorsolateral prefrontal cortex, a region behind the forehead that is responsible for making decisions and controlling emotions.
The brain activity for these two tasks is sufficiently differentfor the researchers to be able easily to distinguish the responses in the functional - magnetic - resonance (fMRI) images of the patients» brains.
More praise for the yummy stuff resulted from brain researcher Todd Parrish of Northwestern University in 2009, when he examined functional magnetic resonance images of gum chewers and found increased activity in areas of the brain associated with memory and emotional responses.
A study published in Current Biology used functional magnetic resonance imaging (fmri) of the brains of three to seven month old infants to assess brain activity in relationship to sound.
This activity uses a homemade alphabet chart and magnetic or foam letters to provide practice in matching letters.
In addition, we'll see auroral activity thanks to coronal holes — openings in the Sun's magnetic field that let its powerful solar wind escape into spacIn addition, we'll see auroral activity thanks to coronal holes — openings in the Sun's magnetic field that let its powerful solar wind escape into spacin the Sun's magnetic field that let its powerful solar wind escape into space.
The researchers disrupted the activity in this brain area using what's called transcranial magnetic stimulation (TMS).
There are also experimental techniques, such as functional magnetic resonance imaging, which allow us to understand which parts of the brain are most active when we are involved in different cognitive activities.
While measuring brain activity with magnetic resonance imaging during blood pressure trials, UCLA researchers found that men and women had opposite responses in the right front of the insular cortex, a part of the brain integral to the experience of emotions, blood pressure control and self - awareness.
In a study under way at USP's Neuroimaging Laboratory (LIM - 21), the researchers are now seeking to correlate the cognitive profile observed in the two groups of cocaine - dependent patients with decision - making and resting - state brain activity, using functional magnetic resonance imaging (fMRIIn a study under way at USP's Neuroimaging Laboratory (LIM - 21), the researchers are now seeking to correlate the cognitive profile observed in the two groups of cocaine - dependent patients with decision - making and resting - state brain activity, using functional magnetic resonance imaging (fMRIin the two groups of cocaine - dependent patients with decision - making and resting - state brain activity, using functional magnetic resonance imaging (fMRI).
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.
In their study, subjects underwent 40 seconds of disruptive transcranial magnetic stimulation (TMS)-- in which a magnetic coil placed near the skull produced small electric currents in the brain that inhibited activity of the posterior TPJ — then spent 30 minutes completing a tasIn their study, subjects underwent 40 seconds of disruptive transcranial magnetic stimulation (TMS)-- in which a magnetic coil placed near the skull produced small electric currents in the brain that inhibited activity of the posterior TPJ — then spent 30 minutes completing a tasin which a magnetic coil placed near the skull produced small electric currents in the brain that inhibited activity of the posterior TPJ — then spent 30 minutes completing a tasin the brain that inhibited activity of the posterior TPJ — then spent 30 minutes completing a task.
In this study, 58 study participants were subjected to 40 seconds of a noninvasive procedure called theta - burst Transcranial Magnetic Stimulation, which temporarily dampens activity in specific regions of the braiIn this study, 58 study participants were subjected to 40 seconds of a noninvasive procedure called theta - burst Transcranial Magnetic Stimulation, which temporarily dampens activity in specific regions of the braiin specific regions of the brain.
The activity twisted and contorted lines in the sun's magnetic field until they snapped and reconnected, triggering giga - lightning bolts that showered Earth's satellites 93 million miles away with X-rays and gamma rays.
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.
It monitors changes in Earth's magnetic field, providing data that help NOAA and the U.S. Air Force track magnetic storms due to solar activity.
Meanwhile, the researchers scanned participants» brains with functional magnetic resonance imaging, paying close attention to activity in several areas of the brain.
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.
In 2015, NASA launched the Magnetospheric Multiscale spacecraft to study the mysterious interactions between Earth and the solar wind when our planet's magnetic field lines occasionally break and reconnect, which also affects auroral activity.
As the subjects thought of a story in their native tongue and then in a second language, the researchers used magnetic resonance imaging (MRI) to monitor brain activity.
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.
Sinha and her colleagues used functional magnetic resonance imaging to study brain activity in people exposed to stimuli ranging from highly stressful — images of mutilated bodies or someone pointing a gun — to neutral, such as a chair, table or lamp.
Different types of cognitive tasks spur activity in various regions of the brain, as indicated by studies using functional magnetic resonance imaging (fMRI).
Using transcranial magnetic stimulation on 17 volunteers, they inhibited neural activity in the frontotemporal area.
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.
Watching the sun in ultraviolet wavelengths of light from space — above our UV light - blocking atmosphere — reveals constant activity, including bursts of light, particles, and magnetic fields.
Every 11 years or so, the sun's magnetic activity peaks and then troughs, resulting in relatively high and then low numbers of dark spots and flares on the solar surface.
Researchers have shown that functional magnetic resonance imaging (fMRI)-- an imaging technology that has sprouted only in the past decade — can detect changes in fetal brain activity in response to sounds from outside the womb.
These have enabled scientists to monitor the sun's magnetic activity and to find water vapor in its atmosphere.
Although noninvasive imaging methods such as functional magnetic resonance imaging (fMRI) and positron emission tomography (PET) can track activity in the brain, they provide limited resolution.
The researchers used repetitive transcranial magnetic stimulation (rTMS) on a specific area of the dorsolateral prefrontal cortex to briefly alter activity in this brain region and consequently change the amount of punishment a person doled out.
Using functional magnetic resonance imaging (fMRI), an imaging technique that measures brain activity, researchers examined all three groups at the beginning (baseline), middle, and end of the study while participants performed computer - based speed tasks in the scanner.
We are currently within a period of decreasing solar activity, which may spell the end for severe magnetic storms in the near future,» Kataoka says.
The researchers in this study used repetitive transcranial magnetic stimulation (rTMS) on a specific area of the dorsolateral prefrontal cortex to briefly alter activity in this brain region and consequently change the amount of punishment a person doled out.
Two techniques used in adults — functional magnetic resonance imaging (fMRI), which can measure blood flow; and electroencephalography (EEG), which measures electrical activity in the outer layers of the brain — have their drawbacks.
The study, published online July 29 in Cerebral Cortex, used functional magnetic resonance imaging, or fMRI, to examine children's brain activity at rest and during two tasks: solving simple math problems and looking at pictures of different faces.
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.
Using functional magnetic resonance imaging — a technique that monitors brain activity in real time — the Johns Hopkins group found reversing a decision requires ultrafast communication between two specific zones within the prefrontal cortex and another nearby structure called the frontal eye field, an area involved in controlling eye movements and visual awareness.
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.
Last year, he discovered that four areas of the brain that are largely linked to inner ear function each showed a broad change in activity when pigeons were exposed to magnetic stimulation.
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.
To discover the ratio of magnetic forces to gyroscopic forces on an electron, Einstein had to infer what the electrons in an iron bar were up to based on a minuscule rotation their activity caused the bar to make.
At roughly 100 minutes after each treatment, the team began testing brain activity in participants at rest with their eyes closed, first using a form of functional magnetic resonance imaging (fMRI) called arterial spin labeling to follow blood flow changes in the brain.
a b c d e f g h i j k l m n o p q r s t u v w x y z