News tagged with electroencephalography
Melon focus headband turns to Kickstarter for rollout plans
(Medical Xpress)—What if the quality of your work depends more on your focus on the piano keys or canvas or laptop than your musical or painting or computing skills? If target users can be convinced, they ...
Neuroscience
May 17, 2013 |
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Grammar errors? The brain detects them even when you are unaware
Your brain often works on autopilot when it comes to grammar. That theory has been around for years, but University of Oregon neuroscientists have captured elusive hard evidence that people indeed detect ...
Neuroscience
May 13, 2013 |
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Electroencephalography underused investigative tool in hospitals
A retrospective study of patients who had in-hospital electroencephalography (EEG) has established that EEG is a valuable tool that could be deployed more widely to identify treatable causes of impaired consciousness in the ...
Neuroscience
Apr 01, 2013 |
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Exploring the cause of sudden unexplained death in epilepsy
Dravet syndrome (DS) is a form of infantile-onset, treatment-resistant epilepsy that is caused by a mutation in the gene encoding a voltage-gated sodium channel, SCN1A. DS patients have a 30-fold increased risk of dying from ...
Medical research
Mar 25, 2013 |
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AAN issues top five Choosing wisely recommendations
(HealthDay)—The American Academy of Neurology's (AAN's) Top Five Recommendations in the Choosing Wisely campaign, established to promote high-value neurologic medicine and to foster physician-patient commun ...
Neuroscience
Feb 25, 2013 |
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Two minds can be better than one: Thought-controlled virtual spacecraft
Scientists at the University of Essex have been working with NASA on a project where they controlled a virtual spacecraft by thought alone.
Neuroscience
Feb 05, 2013 |
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When the mind controls the machines
More than a hundred patients suffering from severe motor impairments have voluntarily participated in the development of non-invasive brain-machine interfaces. The main purpose of these machines is to allow ...
Neuroscience
Jan 24, 2013 |
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Face the facts: Neural integration transforms unconscious face detection into conscious face perception
(Medical Xpress)—The apparent ease and immediacy of human perception is deceptive, requiring highly complex neural operations to determine the category of objects in a visual scene. Nevertheless, the human ...
Neuroscience
Dec 31, 2012 |
4.8 / 5 (9) |
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EEG provides insight into drug-related choice in addiction, potential implications for rehabilitation
(Medical Xpress)—Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Stony Brook University, and collaborators may have found a way to predict drug-addicted individuals' ...
Addiction
Nov 14, 2012 |
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Scientists in sleep-wake tests decode dreams
What's in a dream? For Yukiyasu Kamitani, the question is important. He has been testing how dreams relate to brain activity and what really is the function of dreaming, He leads a team of researchers at the ATR Computational ...
Neuroscience
Oct 29, 2012 |
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Researchers offer insight into cognitive changes in multiple sclerosis
(Medical Xpress)—Researchers at Trinity College Dublin in collaboration with colleagues in the Department of Neurology at St Vincent's University Hospital and University College Dublin have recently reported new insights ...
Neuroscience
Oct 10, 2012 |
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Differences in diagnosis, treatment of nonepileptic seizures in US, Chile
Epileptic and psychogenic nonepileptic seizures (PNES) may look similar, but actually have different causes and treatments. Up to 20 percent of patients diagnosed with epilepsy actually have PNES, which are not treated by ...
Neuroscience
Oct 02, 2012 |
5 / 5 (1) |
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Signal analysis techniques used to map normal neural activity
(Medical Xpress)—Looking at a tangled mass of network cables plugged into a crowded router doesn't yield much insight into the network traffic that runs through the hardware.
Neuroscience
Sep 13, 2012 |
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Monitoring brain activity during study can help predict test performance
(Medical Xpress)—Research at Sandia National Laboratories has shown that it's possible to predict how well people will remember information by monitoring their brain activity while they study.
Psychology & Psychiatry
Sep 10, 2012 |
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Babies' ability to detect complex rules in language outshines that of adults: study
New research examining auditory mechanisms of language learning in babies has revealed that infants as young as three months of age are able to automatically detect and learn complex dependencies between ...
Psychology & Psychiatry
Sep 10, 2012 |
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Electroencephalography
Electroencephalography (EEG) is the recording of electrical activity along the scalp produced by the firing of neurons within the brain. In clinical contexts, EEG refers to the recording of the brain's spontaneous electrical activity over a short period of time, usually 20–40 minutes, as recorded from multiple electrodes placed on the scalp. In neurology, the main diagnostic application of EEG is in the case of epilepsy, as epileptic activity can create clear abnormalities on a standard EEG study. A secondary clinical use of EEG is in the diagnosis of coma and encephalopathies. EEG used to be a first-line method for the diagnosis of tumors, stroke and other focal brain disorders, but this use has decreased with the advent of anatomical imaging techniques such as MRI and CT.
Derivatives of the EEG technique include evoked potentials (EP), which involves averaging the EEG activity time-locked to the presentation of a stimulus of some sort (visual, somatosensory, or auditory). Event-related potentials refer to averaged EEG responses that are time-locked to more complex processing of stimuli; this technique is used in cognitive science, cognitive psychology, and psychophysiological research.
For more information about Electroencephalography, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
