It turns out that it is possible to remove memories and attention and pain by giving a weak current to the brain

ByArs Electronica

A therapy that can stimulate migraine by applying a weak DC current through the brain and stimulate the cranial nerve, and can expect an effect of improving memory and attention "Transcranial direct-current stimulation(TDCS) "is being studied.

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Since the 1980s, we have electromagnets close to the brain and change the magnetic field to generate a weak current to excite brain neuronsTranscranial magnetic stimulation methodResearch has been proceeding actively as a technique called TMS is effective for migraine and depression. As a method similar to this TMS, tDCS has been researched and developed in recent years by adding a weak direct current of 2 mA or less to the brain, so that pain which can not be solved by analgesics can be eliminated.

TDCS gained a lot of attention as a result of research by Dr. Michael Nitche and Dr. Walter Pauls of the University of Göttingen in Germany. This means that not only the role as symptomatic treatment that tDCS removes pain and alleviates symptoms of depression but also the possibility that it can "improve the function of the brain of a healthy person" It is because it was indicated. Specifically, people who received treatment of tDCS had the effect of accelerating learning speed and increasing memory ability.

ByDave Austria

Not only medical researchers but also military personnel are paying attention to the utility of such tDCS. In 2006, Dr. Vince Clarke, who was engaged in research on TMS for the treatment of schizophrenia at New Mexico University, started research on tDCS and was struggling to finish research funds, but the US Department of DefenseNational Defense Advanced Research Projects Bureau(DARPA) that he succeeded in receiving huge amount of funds. At the time, DARPA was developing a program to improve learning speed called "Accelerated learning", and I was hoping to utilize tDCS studied by Dr. Clark in his capacity development for soldiers. "DARPA was intending to promote state-of-the-art research even if there is a danger, even if 90% of studies failed, it was a policy that OK would be OK if the remaining 10% worked." He said that he was extremely blessed as a research environment that he finally received 6 million dollars (about 600 million yen) of funding.

Also, Dr. Andy McKinley of Wayne Senses Research Institute said that if it could increase the cognitive ability of the fighter pilot by the learning program that adopted tDCS it could be a strategic research to keep the military superiority of the US tDCS I capture the utility. As research guidelines for tDCS, Dr. McKinley first thinks that understanding the mechanism of influence on the cranial nerve given by electric current, and secondly to develop practical application using tDCS is important It is said that there is. Dr. McKinley, for example, when training is repeated when driving a manual car, so that he can master the operation methods and procedures such as clutching and shifting unconsciously and so on, until such learning and acquisition It says that a program to shorten time is effective for military training.

ByMarwan abdul latif

Dr. McKinley has also discovered that not only increasing attention to tDCS but also the effect of halting the decline in ability to occur under sleep deprivation conditions and finally by wearable device incorporating tDCS electrode brain We constantly monitor the activities of the company, and intend to conduct research to obtain the maximum performance by giving electrical stimulation to necessary parts as necessary.

According to studies so far, no harmful effects or side effects on the human body have been found by current stimulation by tDCS. However, because effective drugs and treatments have side effects, there are opinions that long-term studies are necessary for the adverse effects on the human body caused by tDCS.