Tag: "electrical" at medical news
Researchers discover 'window on the brain' that could help treat disorders
...cs Center (NIC) promises to help physicians "see" electrical
activity in the brain more clearly, opening the wa... of Oregon psychologist Don Tucker says signals of electrical
activity in the human brain become distorted when they pass through the skull, much like light throu...
Cedars-Sinai medical tipsheet for June 2005
... an implantable "bladder pacemaker" that generates electrical
pulses to decrease the number of bladder contractions. This, in turn, reduces the symptoms of urgency and frequency associated with urge incontinence. PANCREAS TRANSPLANT DIRECTOR DONALD DAFOE, M.D., JOINS CEDARS-SINAI'S TRANSPLANT TEAM AS INCIDEN...
Radiofrequency ablation is effective long-term treatment for kidney tumors
...oscopic procedure. RFA delivers heat generated by electrical
energy to sites within the body through a thin needle, similar to probes used in biopsy procedures. Placement of the probe is guided by CT scan, ultrasound or other imaging techniques. Widely used to treat cardiac arrhythmias, RFA is also being inves...
Johns Hopkins scientists use gene therapy to prevent heart arrhythmias from stem cell transplants
...ediate disruption in heart muscle tissue's regular electrical
rhythm, or conductivity, which is necessary to sti...d suspension kept both cell types alive, and their electrical
interactions were mapped with a voltage-sensitive dye. The team found that mixing the two cell type...
Functional MRI enables noninvasive evaluation of epilepsy patients
...seizure is an outward sign of a malfunction in the electrical
activity of the brain. Seizures that occur more th...p of the area. Until recently, the Wada test and electrical
cortical mapping--both invasive, costly tests that require large medical teams--were the only method...
Voice-to-voice translation machine perfects bedside manner
...eering," said Narayanan, an associate professor of electrical
engineering, computer science and linguistics at t...doctoral scientist at IMSC. Additionally, four USC electrical
engineering graduate students have made large contributions: Emil Ettellaie, Dagen Wang, Ananthakris...
FDA approves new indication for Topamax as initial monotherapy for adults and children with epilepsy
...y is characterized by seizures, which are abnormal electrical
discharges in the brain that temporarily disrupt normal brain function. Seizures are classified as "generalized," originating in both sides of the brain simultaneously, or "partial-onset," starting in one area of the brain. In a double-blind clinica...
A giant step toward tiny functional nanowires
...rode gaps less than 20 nanometers wide for precise electrical
measurements on nanomaterials and even individual molecules. While conventional techniques can't make gaps much smaller than 20 nanometers wide, Mirkin's method, called on-wire lithography, or OWL, has been able to produce gaps as small as 2.5 nanome...
Animal research suggests new treatment target for epilepsy
...izures, but a prevalent theory is that an abnormal electrical
discharge originates in the cerebral cortex, the part of the brain that controls thinking and feeling, and travels to the thalamus, a part of the brain that controls consciousness and certain brain rhythms. The abnormal rhythmic discharges that resul...
Rice nanophotonics lab gets $3 million training grant
...onics spans the disciplines of physics, chemistry, electrical
engineering and bioengineering, and it holds promi...dlander, professor of physics and astronomy and in electrical
and computer engineering; Jason Hafner, assistant professor of physics and astronomy and of chemistr...
Strong magnetic fields aid severe depression
...patient being anaesthetised. Then the doctors pass electrical
impulses through the patient's head via two electr...ng magnetic field which in turn produces a flow of electrical
current. However, this is so weak that it does not trigger an epileptic attack. The patient remains ...
Mayo Clinic researchers use ultrasound to describe subtle heart muscle motions
...esearch Unit study the mechanical, biochemical and electrical
aspects of these transitions which occur between p... optimally only if the mechanical, biochemical and electrical
events in the cardiac muscle work in concert and delivery of nutrients and oxygen are uninterrupted....
Surgery gives fresh start to patients with thickened hearts
...sudden death by sending the heart into a dangerous electrical
rhythm pattern and is the most common cause of death during athletic competition. The primary cause of HCM seems to be genetic. About half of patients have a close relative with the disease. Treatments may include medications such as beta-blockers t...
Wheelchair technology & spinal cord injury
...walking function in patients with SCI. Functional electrical
stimulation reverses muscle degeneration This st...ry induced by a new system of life-long functional electrical
stimulation training in permanent denervated human muscle. Needle biopsies of long-term denervated m...
Findings relate aspirin-induced ulcers, hearing loss
... is thought to act like a piezocrystal, converting electrical
signals into mechanical motion. In the outer hair cells of the cochlea, prestin acts as a molecular motor, causing the cells to move rhythmically and amplify the sounds we hear. "If you change the mechanical properties of the membrane, you will likel...
Enhanced imaging techniques could improve medical diagnosis
Chris Wyatt is a Virginia Tech electrical
engineer who is attempting to provide the medical community with better, quicker, and more relevant images of the human body. The side effects are not bad either lower medical costs, new treatments, and earlier disease detection. Today, doctors and...
Definitive gene screen confirms MS suspects
...ce that normally insulates nerve fibers and speeds electrical
conduction through the fibers. Patches of inflammation (known as 'plaques') occur throughout the brain and spinal cord resulting in the loss of myelin and sometimes the nerve fibers themselves. Depending on which nerve fibers are hindered, patients c...
Advances in brain imaging for epilepsy
...n epileptic seizure, nerve cells in the brain fire electrical
impulses much faster than normal, often leading to loss of consciousness.and convulsions In a subset of cases, the seizures always begin the same, identifiable area of the brain, then spread to other areas. Surgery to remove the area where seizures...
'Noise' affects how brain directs body to move
...circuits. "To make a movement, the brain takes the electrical
activity of many neurons and combines them to make muscle contractions," Lisberger explains. "But the movements aren't always perfect. So we asked, what gets in the way?" The answer, he says, is "noise," which is defined as the difference between wh...
Magnetic insoles do not provide pain relief, Mayo Clinic study reports
...cientific research has focused on movement of tiny electrical
voltages that may lead to decreased pain. The insoles studied were the Active Comfort magnetic insole (Spenco Medical Corp.), which has a magnetic foil pad located under the arch of the foot. These insoles were chosen because they are comfortably cu...
1 2 3 4 5 6 7 8 9 10