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EEG

Stereo EEG provides a deep, detailed map of the brain as physicians evaluate patients for the surgical treatment of epilepsy.

For patients that find their seizures difficult to manage on medications, other treatment options such as diet, devices or surgery may be beneficial. Dr. Amy Crepeau, neurologist at Mayo Clinic in Arizona, discusses the evaluation of patients with epilepsy using brain mapping technology.

Mapping premature infant’s brain after birth may help better predict developmental problems

Scanning a premature infant’s brain shortly after birth to map the location and volume of lesions, small areas of injury in the brain’s white matter, may help doctors better predict whether the baby will have disabilities later.

INTERVIEW: Distinguishing Epilepsy From its Imitators with EEG

In this interview, Dr. Andrew N. Wilner, MD, interviews Dr. Joseph F. Drazkowski, MD who is involved with the American Academy of Neurology developing courses for neurologists, for increasing proficiency in EEG and EEG video. Excerpt from Medscape:

New computational techniques could help researchers pinpoint anatomical source of seizures

For the third of all epilepsy patients who don’t respond to medication, an alternative is to locate the small cluster of neurons that act as the seed of a seizure’s aberrant electrical activity and surgically remove it. Unfortunately, such surgeries often fail to bring any relief. The ability to reliably pinpoint the anatomical source of seizures, different for each patient, remains elusive. Researchers at the University of Pennsylvania’s School of Engineering and Applied Science and Perelman School of Medicine are looking for ways to refine this process by looking at networks of electrical activity in the brain just prior to the onset of a seizure. Using brain data crowdsourced from 22 epilepsy patients with implanted electrodes, the researchers have developed a series o...

Weak Electrical Field May Spread Brain Waves Linked To Memory And Epilepsy

Researchers at Case Western Reserve University may have found a new way information is communicated throughout the brain. Their discovery could lead to identifying possible new targets to investigate brain waves associated with memory and epilepsy and better understand healthy physiology. They recorded neural spikes traveling at a speed too slow for known mechanisms to circulate throughout the brain. The only explanation, the scientists say, is the wave is spread by a mild electrical field they could detect. Computer modeling and in-vitro testing support their theory.

Status Epilepticus Redefined.

Status Epilepticus is a prolonged seizure that can have dire consequences for the individual who is suffering it. There has been some confusion as to what timeframe or length of seizure is considered an SE event. Emergency Treatment has traditionally been started at about 5 minutes of seizure duration and SE declared at about 30 minutes. “The problem has been that you had these two definitions floating around,” that included 5 minutes or 30 minutes, depending on whether you were talking about when to treat or consequences, said study author Shlomo Shinnar, MD, PhD, professor, neurology, pediatrics and epidemiology and population health, and director, Comprehensive Epilepsy Management Center, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York.

Computer Simulation Predicts Targets for Epilepsy Surgery

Severe cases of epilepsy are treated sometimes by surgically removing brain tissue thought to be responsible for generating seizures. This is accomplished by using EEG and then relying on  knowledge to excise areas previously known to generate aberrant electrical activity. The lack of precise personalized treatment results in a high failure rate for the procedure, but researchers at Newcastle University in England have developed a simulator that may help overcome that. The software uses patient MRI scans to create a model that it can manipulate. The model consists of the neural network represented by nodes and connections between them. The simulator mimics the removal of different nodes to see how they affect the activity in the rest of the network. The researchers compared the response of...

Identifying and avoiding wasteful or unnecessary medical tests

Too many tests at the doctor’s office could cost you more than just dollars. In addition to the huge hit to your wallet, there’s also the potential harm of false positives, and just because a test has traditionally been done for a condition doesn’t mean it’s the best way to treat it. U-M neurologist Brian Callaghan, M.D., M.S., is helping lead a national push to determine what neurologic tests or services are performed more than they should be. It comes out of a campaign called Choosing Wisely, an initiative of the ABIM Foundation, which works with more than 70 medical specialty societies to encourage conversations between clinicians and patients about avoiding wasteful or unnecessary medical tests, treatments and procedures. Each society, including the American Aca...

New Wearable EEG!

Researchers have developed a wearable electroencephalogram (EEG) device that can detect and record seizure activity in epilepsy patients in the outpatient setting, they reported on Monday at the annual meeting of the American Epilepsy Society in Philadelphia. The so-called EEG Patch, a small, waterproof, scalp-mounted device, was designed to help patients more accurately track their seizures, Mark Lehmkuhle, PhD, a research assistant professor in neurosurgery at the University of Utah School of Medicine in Salt Lake City, who presented the findings at the meeting, told the Neurology Today Conference Reporter ahead of the session.   The EEG Patch is designed to be fixed to a part of the patient’s scalp where seizures are known to originate based on EEG recorded in-hospital during a traditio...

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