muscle stimulator machine

Electric shock stimulation of the brain can improve learning ability, and the side effects are still unknown

Scientists have found that stimulating the brain with a mild electric shock can improve learning and memory functions

Little is known about the side effects of electric shock on the brain, but scientists will one day find its adverse effects and even worse results.

Little is known about the side effects of electric shock on the brain, but scientists will one day find its adverse effects and even worse results.

Dr. Roy Cohen Kadosh warned that this instrument could be very dangerous if not used properly.

Dr. Roy Cohen Kadosh warned that this instrument could be very dangerous if not used properly.

On February 1, Beijing time, psychologists found that an instrument that stimulates the brain with a slight electric shock can improve memory, problem-solving and mathematical ability, according to the daily mail of the UK. But Oxford University researchers warn that if the instrument falls into the hands of people with ulterior motives or is used improperly, it will lead to big trouble. Especially for children, the danger is even greater, because their brains are developing and are vulnerable.

Techniques that stimulate the brain to improve ability, previously used in the treatment of cognitive impairment, can also improve the mental ability of healthy adults. Neuroscientist Roy Cohen Kadosh uses transcranial direct current stimulation (tDCS) technology to stimulate accurate areas of the brain with a slight electric shock. When the parietal lobe of the brain, which affects the ability of reading, writing and calculation, is stimulated, people’s mathematical skills are improved. Electricity causes this brain region to produce chemicals that allow brain cells to develop or change. This process called “neural plasticity” is an essential element of learning. When people touch new things, the brain begins to change.

For a week, Kadosh’s team gave volunteers 30 minutes of mild electric stimulation to the parietal lobe every day. The results showed that they could accept mathematical skills faster and more effectively than before in traditional classes. “Transcranial direct current stimulation is very safe, and the probability of current injury is very low,” he said. The test results showed that after treatment, the volunteers improved their mathematical ability for six months. For people who know nothing about mathematics, it is exciting news to have a “mathematical brain” in the future.

Kadosh’s research will open the door to a medical revolution. It indicates the coming of a world of high-tech brain medicine. At that time, the current instrument will be used to treat major diseases such as depression and Parkinson’s disease, transform problem personality and improve people’s learning, memory and creative thinking.

Although the efficacy of some household “brain enhancers” has not been determined, they have been circulated on the market and can be bought on American websites. Their working principle is the same as that of Kadosh’s brain shock. But psychologists in the journal Current Biology warned that transcranial direct current stimulation technology is a potential threat. This kind of instrument is cheap (only 500 pounds) and easy to carry. At present, there is no legal provision to restrict its use. These factors may lead to people’s abuse.

“If it is used within the scope of the recommended guidelines, it will greatly reduce the acute safety risks such as epilepsy. We will find out its potential risks through experiments, especially those more likely to be encountered by adults and children. Some patients with developmental disorders are more vulnerable if they are not used properly,” the researchers said

Kadosh said that they did not know much about the side effects of the instrument, and did not develop a training plan for the use of the instrument. “At best, patients or parents will take some money from their family finances to buy this instrument; at worst, it may cause long-term damage to the brain, worsen the disease, and weaken mental function,” he said

If the instrument is used improperly for children, the problem will be serious, because it will not only reduce their abilities, but also cause “atypical brain development”. Like other atypical brain development, stimulating the wrong brain regions may cause abnormal brain activities in brain regions and interconnected regions, and accelerate the metabolic consumption of brain regions unrelated to specific psychological functions. Therefore, it is urgent to study the safety and potential harm of transcranial DC stimulation technology to children.

In terms of the interaction between different parts of the brain, transcranial direct current stimulation technology also has some dangers. The rapid development of some people’s cognitive field is often accompanied by the decline of other abilities. This technology allows children or their parents to make early choices, but leads to the rapid development of a user’s function, such as language ability. On the other hand, children will pay a price in some valuable functional areas, such as facial recognition.

For this reason, Kadosh suggested that perhaps patients should be prohibited from using this instrument. “If transcranial direct current stimulation technology is to improve some capabilities at the expense of other functions, from the perspective of moral permission, we need to reassess its costs and benefits,” he said

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