The study found that the physical condition of Parkinson's patients often improves after they receive deep brain stimulation.
VOA: special.2009.02.03
But the new study uses a different form of stimulation, known as transcranial random noise stimulation (TRNS), which applies randomly fluctuating currents (within certain parameters) to the head.
Dr Roi Cohen Kadosh, study author from the department of experimental psychology at the University of Oxford, said the noise stimulation group showed improvements in cognitive and brain functions compared with the control group.