Sentences with phrase «detected by brain»

When levels fall, low hormone levels are detected by the brain and the cycle repeats.
In general, these interfaces rely on the user's ability to learn how to self - induce particular mental states that can be detected by brain - scanning technologies.

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.
No philosopher not thoroughly imbued in process thought will ever believe the process claim that a prolonged series of conscious brain - sized occasions exists but that it could never be detected by perception or instruments.
b We may accept that the human brain reached the limit of its development at the stage which anthropologists call Homo sapiens; or at least, if it has continued to develop since then, that the change can not be detected by our present methods of observation.
She said her «now 5 yr old daughter suffered from gluten ataxia from 3.5 yrs until 4.5 yrs — lost much of her hair, lost language / social skills, had serious balance issues, lethargy, severe bone / muscle pain, and finally inflammation in her brain (detected by MRI).»
I worry that lost amidst the hoopla about the new CTE study is the fact that not every football player whose brain was donated to the CTE Center for pathological scrutiny was found to have the disease, and, that it was not detected in either the brains donated by the families of football players who died before they got to high school, and in only three of fourteen of high school players (and, in those, the disease had not progressed beyond the «mild» stage).
Because they can detect subtle signs of cognitive impairment indicating that an athlete's brain has not fully healed, even where the athlete claims his symptoms have cleared, the tests are designed to help to protect young athletes against the risk of suffering a second concussion by returning too soon, which can lead to short - and long - term cognitive problems, and catastrophic injury or even death from second impact syndrome.
A former Army bomb disposal officer and business development executive, Crossman has been instrumental in the development of numerous life - saving technologies, including the bomb suit featured in the Oscar - winning movie, The Hurt Locker, Advanced Combat Helmet impact pads, roadside bomb jammers used by the United States Marine Corp, and, most recently, helmet impact sensors used by U.S. Army and USMC to help detect traumatic brain injury (TBI) in deployed soldiers and Marines.
This practice is used by doctors to detect complications like low oxygen and heart issues that can cause brain damage, seizures and even death in babies.
«Unraveling how a brain works, block by high - tech block: Researchers modernizing cognitive skills testing to detect deficits, problem - solving strategies and more.»
By analysing the patterns of brain activity when volunteers read or listened to sentences containing hard - to - detect semantic anomalies - words that fit the general context even though they do not actually make sense - the researchers found that when a volunteer was tricked by the semantic illusion, their brain had not even noticed the anomalous worBy analysing the patterns of brain activity when volunteers read or listened to sentences containing hard - to - detect semantic anomalies - words that fit the general context even though they do not actually make sense - the researchers found that when a volunteer was tricked by the semantic illusion, their brain had not even noticed the anomalous worby the semantic illusion, their brain had not even noticed the anomalous word.
Researchers used MEG to compare the brains of musicians and nonmusicians while the subjects tried to detect small changes in pitch during short clips of classical piano music by composers like Bach, Beethoven and Brahms.
Studies at autopsy of people who had dementia have detected many of these so - called microvascular infarcts either by themselves or along with the plaques and tangles more typical of Alzheimer's in the brains of people with dementia.
We perceive sound after vibrations in the inner ear are detected by «hair cells» and transmitted to the brain as electrical signals.
The tools used by the commercial industry to detect our thoughts and brain states are very different, and somewhat limited, compared with those used in the research lab.
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.
«By finding a new way to detect and track how Parkinson's affects the brain, this study provides an important tool for assessing whether a drug might slow or stop those changes and keep symptoms from getting worse,» said NINDS Program Director Daofen Chen, Ph.D..
Functional MRI is an imaging procedure that detects brain activity by measuring blood flow.
Instead of the brain computing a colour based on the numerical ratio of different colour amounts detected by the photoreceptors, the photoreceptors respond in a particular pattern, which is then sent to the brain.
Now, rather than focusing on the potential end results of lying, Temple University scientists Scott Faro and Feroze Mohamed are developing a way to detect deception by looking directly at people's brain activity using MRI brain scanners.
The sensors detect how much infrared light is absorbed by hemoglobin in the blood and therefore report where brain activity is greatest (because that's where the blood goes).
This image of a chick's retina reveals the three basic stages of visual processing by the circuit in the eye that detects light and transforms it into signals the brain can understand.
With the left or right parietal cortex numbed, the test subjects were less able to detect objects placed in the visual field controlled by the numb side of their brain and did even worse still if there was also an object in the functioning half of the field.
The $ 299 headset's 14 strategically placed head sensors are at the ends of what look like stretched, plastic fingers that detect patterns produced by the brain's electrical activity.
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.
Light intensity is detected by special cells in the retina and this information is relayed to the internal body clock, located deep in a part of the brain called the suprachiasmatic nucleus.
It was generally accepted that this was the limit of what could be detected by fMRI — identification of a region in the brain that had responded to a large stimulus, such as a continuous 30 second «blast» of bright light.
Thus, by monitoring the activity of motion - detecting neurons in animals and simultaneously exploring human motion perception using cunningly contrived displays such as a, b and c, scientists are starting to understand the mechanisms in your brain that are specialized for seeing motion.
«What makes the results even more persuasive is the remarkable agreement between the cognitive function restoration and the changes in brain functionality as detected by the SPECT scans,» explained Prof. Ben - Jacob.
BREATHLESS Nerve endings in the lungs send signals — triggered by force - detecting proteins — to the brain and spinal cord that help regulate breathing.
The team then used an fMRI scanner to detect the brain activity elicited by images of the satellites.
UCLA mathematicians Tony Chan and Luminita Vese detect anatomical brain structures by lassoing them with a loop, which then shrinks tightly around the structure using a level - set algorithm to capture its exact shape.
I am proposing a demanding criterion: that you be able to detect abnormalities in patients beforehand by such brain - imaging techniques as functional MRI [which measures blood flow in the brain], and then use imaging to see whether or not there is a change in those markers for the disease as the therapy progresses.
This was measured by EEG (Electroencephalography) sensors on the back of the head, which detected the brain signals in the related brain regions responsible for action planning.
Previously, users had to fully concentrate on one of three commands — turn left, turn right, or do nothing — creating specific brain wave patterns detected by an electrode - studded cap.
A recent study, by Dunn and colleagues, showed promising results of the device's ability to detect changes in brain activity in adults with long - term symptoms post-concussion.
«Almost nothing is known» about the molecular and cellular mechanism by which water is detected in the mouth and throat, and the neural pathway by which that signal is transmitted to the brain, says Zachary Knight, a neuroscientist at the University of California, San Francisco.
I am sitting in a darkened, closet - size lab at Tufts University, my scalp covered by a blue cloth cap studded with electrodes that detect electric signals from my brain.
When these photoreceptors detect light, they send a signal to specialized neurons in the retina called retinal ganglion cells, or RGCs, which then transmit visual information to the brain by firing electrical pulses along the optic nerve.
Efforts to detect the whispers amid the cacophony are further complicated by the improvisational dexterity of the brain.
Such waves are reflected back through the brain and then detected by the device.
Humans detect smells by inhaling air that contains odor molecules, which then bind to receptors inside the nose, relaying messages to the brain.
This revealed which parts of the brain were most active by detecting small increases in the blood flow to these brain areas.
The device detects and translates nerve signals sent by the brain to the vocal cords when we merely think about speaking a sound.
Brain imaging using radioactive dye can detect early evidence of Alzheimer's disease that may predict future cognitive decline among adults with mild or no cognitive impairment, according to a 36 - month follow - up study led by Duke Medicine.
When a patient is having a severe stroke, the brain's fluids will change, producing an asymmetry in the radio waves detected by the VIPS device.
Earlier this year, another team reported using a brain machine interface to allow a quadriplegic to move his finger and arms, but that system directly activated arm muscles with brain signals detected by implanted electrodes, bypassing the damaged spinal cord.
By studying frogs, University of Utah researchers figured out how certain brain cells compute the length of sounds and detect short ones.
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