A new study published in the December 13, 2011, online issue of Neurology®, the medical journal of the American Academy of Neurology shows that magnetic stimulation of the nerve cells in the brain may speed up the recovery from this condition. In transcranial magnetic stimulation, a large electromagnetic coil is placed against the scalp. It creates electrical currents that stimulate nerve cells.
“The treatment is based on the theory that hemispatial neglect results when a stroke disrupts the balance between the two hemispheres of the brain. A stroke on one side of the brain causes the other side to become overactive, and the circuits become overloaded,” said study author Giacomo Koch, MD, PhD, of the Santa Lucia Foundation in Rome, Italy.
The study involved 20 people with hemispatial neglect. Ten received 10 sessions of magnetic stimulation over two weeks. The other 10 people received a sham treatment: the level of stimulation they received was not high enough to stimulate the nerve cells. Both groups also received the conventional treatment of computer and pen-and-paper training.
Both groups were given tests to measure their ability to process information on the neglected side of the body at the end of the treatment and again two weeks later. Those who received the magnetic stimulation improved on the tests by 16 percent at the end of treatment and by 22 percent two weeks later. The scores of those who received the sham treatment did not improve.
The study also showed that the overactive circuits had gone back to normal in those who received the stimulation, but not in those who did not.
“This study represents an important step forward in the effort to find ways to help people rehabilitate from hemispatial neglect after stroke,” said Heidi M. Schambra, MD, of Columbia University Medical Center, who wrote an editorial on the study. “Beyond its direct effect on people’s visual-spatial abilities, hemispatial neglect also interferes with people’s efforts to recover their cognitive abilities and movement.”
The study was supported by the Italian Ministry of Health.
The American Academy of Neurology, an association of 24,000 neurologists and neuroscience professionals, is dedicated to promoting the highest quality patient-centered neurologic care. A neurologist is a doctor with specialized training in diagnosing, treating and managing disorders of the brain and nervous system such as Alzheimer’s disease, stroke, migraine, multiple sclerosis, brain injury, Parkinson’s disease and epilepsy.
Rachel L. Seroka | American Academy of Neurology
Innovative genetic tests for children with developmental disorders and epilepsy
11.07.2018 | Christian-Albrechts-Universität zu Kiel
Oxygen loss in the coastal Baltic Sea is “unprecedentedly severe”
05.07.2018 | European Geosciences Union
A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.
The low-cost process, developed by Purdue University researchers, combines tools already used in industry for manufacturing metals on a large scale, but uses...
For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
13.07.2018 | Event News
12.07.2018 | Event News
03.07.2018 | Event News
20.07.2018 | Power and Electrical Engineering
20.07.2018 | Information Technology
20.07.2018 | Materials Sciences