"Either there is no heat in the meditation room, and it is cool to be calm and calm" comes from Bai Juyi's "The Meditation Room with Bitter Heat and Constant Silence". Bai Juyi once visited the Buddhist monk Hengji. It was very hot at that time, and he saw the Buddhist monk sitting quietly in a closed meditation room like a steamer, instead of sweating like a normal person.
Bai Juyi was very shocked and wrote a poem "The Zen Room of Teacher Heng Ji on Bitter Heat": "Everyone is crazy in summer, and the Zen master alone does not leave the room; This is not to say that the meditation room is not hot, and it is cool to keep calm. " It is the highest state of summer vacation to clear your mind and calm yourself down.
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As the saying goes, "peace of mind is naturally cool", which shows that people's subjective feelings have a certain role. Recently, Tetsuo Yamayama, a physician at Nishimiya Sherry Neurosurgery Hospital in Hyogo Prefecture, Japan, and American scholars have found a certain scientific basis for this phenomenon through experiments.
Dr. Hill took 10 American men and women as the research object. In order to transmit the burning pain to the brain, he used small metal pieces to thermally stimulate the legs and stomach of the subjects. If the interval is 15 second, use thermal stimulation at 48℃ after starting the signal, and if the interval is 30 seconds, use thermal stimulation at 50℃ after starting the signal. Repeat this for many times, so that the experimenter can remember the types of stimuli in the brain.
Then, the subjects were subjected to thermal stimulation at 50℃ with an interval of 15 seconds. At the same time, brain activity was detected by magnetic vibration imaging device. It was found that compared with the thermal stimulation of 50℃ every 30 seconds, the activity in the emotional area of the brain was lower. After the researchers asked the subjects about the degree of pain and made a quantitative analysis, they found that the pain was reduced by about 30%.
Dr. Hill said that this experimental result proved the feeling of "being calm and naturally cool" to some extent. Before the injection, the doctor told the patient that it didn't hurt, which was a psychological suggestion and a scientifically based analgesic method. This achievement has been published in the Proceedings of the National Academy of Sciences.