Sentences with phrase «on electrical brain activity»

Neurofeedback is based on electrical brain activity.
The investigators studied the effects of ∆ 9 - THC on electrical brain activity in 24 human subjects who participated in a three - day study during which they received two doses of intravenous ∆ 9 - THC or placebo in a double - blind, randomized, cross-over, and counterbalanced design.

Not exact matches

For example, doctors could one day routinely use the headsets to obtain a «quantitative measurement of depression» in patients based on their brains» electrical activity, Agus said.
They also had electrodes placed on their scalp to measure electrical activity in their brain.
Schalk points with his pen at a large rectangular field on the side of the screen depicting a region of her brain abuzz with electrical 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.
Synapses, junctions between neurons in the brain, display electrical behaviour that depends on past activity and are said to behave like memristors.
The team embarked on a massive brain imaging study: Across 9 UK laboratories (University of Birmingham, University of Bristol, University of Edinburgh University of Glasgow, University of Kent, University College London, University of Oxford, University of Stirling, and University of York), 334 participants — 10 times the original amount — read sentences that were presented one word at a time, while electrical brain activity was recorded at the scalp.
Moberly observed that freeze behavior, breathing rate, and electrical activity of these brain regions were coordinated literally on the same wavelength.
They trace the development of the face in embryos, scan brains, read the electrical activity of muscles, and record grins and pouts on high - speed video.
A chip can be implanted in the brain to pick up electrical activity or electrodes can be placed on the scalp to pick up brainwaves.
«Our goal in the project was to close the gap in knowledge that exists on role of serotonin in the brain cortex, particularly as it concerns brain circuitry, its electrical activity and function,» said Roberto Fernández Galán, PhD, Assistant Professor in the Department of Neurosciences at Case Western Reserve University School of Medicine.
For example, records of electrical activity in the brain showed that, on average, they experienced deep, non-rapid eye movement sleep for 30 per cent less time compared with participants who slept during a new moon.
The least invasive is a device placed on a person's head that can detect weak electrical signatures of brain activity.
The point is to take advantage of neurofeedback — a training tool based on electroencephalography (EEG), the measurement of changes in electrical potential that accompany any brain activity.
To observe brains on the brink of death, Borjigin and her colleagues implanted electrodes into the brains of nine rats to measure electrical activity at six different locations.
They then recorded an electroencephalogram, or EEG — a reading of the brain's electrical activity — as the subjects watched acronyms flash on a computer screen.
By simulating electrical brain activity and relating the behavior of single neurons to brain waves, the researchers aim to bridge this gap, opening the way to better tools for diagnosing mental disorders, and on a deeper level, offering a better understanding of ourselves.
The implant eavesdropped on his brain activity and, together with sensors taped to the shoulder and above the eyebrow reading the electrical activity of muscle contractions, allowed him to slowly spell out words with the power of thought.
Electrodes placed on the head or directly in brain tissue allow scientists to monitor the cumulative effect of this electrical activity, called electroencephalography (EEG) signals.
Conventional TES methods produce electrical noise that swamps any brain activity detected on the scalp.
When a patient with epilepsy experiences increased electrical activity in the brain, or seizures, this could be associated with an increase in a range of behaviors, such as hyper - sexuality, hypergraphia (an intense desire to write), hyper - morality and hyper - religiosity, explained Brick Johnstone, professor of health psychology at Missouri University and lead researcher on the study.
Optogenetics, a technology that allows scientists to control brain activity by shining light on neurons, relies on light - sensitive proteins that can suppress or stimulate electrical signals within cells.
They focused on the so - called N400, a distinct pattern of electrical brain activity that can be measured by electrodes placed on the scalp.
Gaining access to the inner workings of a neuron in the living brain offers a wealth of useful information: its patterns of electrical activity, its shape, even a profile of which genes are turned on at a given moment.
LA JOLLA — Every night while you sleep, electrical waves of brain activity circle around each side of your brain, tracing a pattern that, were it on the surface of your head, might look like the twin hair buns of Star Wars» Princess Leia.
, The Effects of Lavender Oil Inhalation on Emotional States, Autonomic Nervous System, and Brain Electrical Activity, 2012
At Harvard, in the 1970s, long before MRIs could give a precise view of brain activity, Rose became fascinated by the emerging science of psychophysiology, based partly on trying to understand electrical activity in the brain through skin conduction tests.
This is a type of generalized seizure where the excessive electrical activity occurs on both sides of the brain, so both sides of the body are affected.
Research has been done using an electroencephalogram (EEG) on dogs, which detects electrical activity in the brain.
The type of seizure produced depends on the location in the brain where the abnormal electrical activity occurs.
Our bodies also emanate information via electrical activity from brains and hearts, DNA from flaking skin cells and shedding hair, and data on health status from germs emitted when we cough, sneeze or spit.
The increasing popularity of neurofeedback is based on the growing evidence that a wide variety of psychological disorders can be understood as firing mistakes in the brain's electrical activity.
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