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Brain activity stagnation is an electrical signal that runs between brain cells, and has been discovered through experiments such as working memory of the elderly, which gives electrical stimulation to the brain, dramatically rejuvenating the working area, and increasing memory when stimulating the brain while sleeping at night. There is a bar. According to a paper published in the journal MIT Press Journals, a region that can enhance memory by simply applying electrical stimulation to the scalp was found.
The research results showing that applying electricity to a specific area of the brain can significantly increase memory was published by the research team of Professor Jesse Lismann of Los Angeles University. The research team conducted a test of 72 men and women aged 20 years of age to remember 80 words and how much they remembered the next day.
The memory test was conducted in two parts. At first, all subjects pretended to flow electricity with electrodes installed above their heads. In the real-time second test 30 minutes later, it was divided into three groups. The first group was compared with the electrical stimulation to excite the nerves, the second group was the electrical stimulation to calm the nerves, and the last group pretended to pass electricity.
As a result, all three groups showed improvement in the memory test, but 15.4 points in the group receiving electrical stimulation that excites the growing neurons, 5 points in the electrical stimulation group that calms the nerves, 2.6% difference from the group pretending to pass electricity both times. Showed.
The side that gave electrical stimulation in this test is the left frontal lobe precortex. This is just the middle of the eyebrows and hairline, the part of the brain that has been considered to be involved in advanced cognitive and social behaviors.
The research team concluded that among the three groups, the scores of those pretending to pass electricity and those receiving electrical stimulation to calm the nerves were more familiar with simple tests than statistical significance. On the other hand, the fact that the memory of the group receiving electrical stimulation to excite neurons increased significantly could be seen as evidence that the left prefrontal cortex is actively participating in memory recall.
In this experiment, transcranial direct current stimulation (tDCS) is used to stimulate the brain. It is used in the treatment of depression and does not require electrode insertion surgery. If this study calms down, there may be a day when everyone can safely and easily improve their memory. Related information can be found here .
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