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Mathematical inflection point method
Concentrate.

Ways to improve your attention:

(1). stare

1. Static vision

be clear/manifest at a glance

(1) Find something in the room or outside, such as a watch, fountain pen, desk lamp, chair or flowers. The distance is about 60 cm. Look straight ahead, blink naturally, and focus on this object. Meditate for 60 ~ 90 times, that is, 1 ~ 1.5 minutes. While silently counting, we should concentrate on careful observation. Close your eyes and try to picture the object in your mind. You should describe it in detail as much as possible, and it is best to describe its characteristics in words. Then read it carefully again, and if there is any mistake, add it again.

(2) After skilled training, gradually turn to more complex objects, observe the characteristics of things around, and then close your eyes and think back. Repeat it several times until every detail is clear. You can observe the horizon, the color of clothes, the shape of plants, people's gestures and actions, the shape and color of clouds in the sky, etc. The main point of observation is to constantly change the focus of the eyes and remember the characteristics of different parts of a complete object as much as possible. The more you remember, the better. After each analysis exercise, close your eyes, make a comprehensive observation with the eyes of your mind, then open your eyes, compare them with the real thing, correct your impression in your heart, and then close and open them again until they are exactly the same. You can also pay attention to a shape or color in the environment and try to find it in other places around you.

(3) It is recommended to observe famous paintings. Be sure to compare your own description with the original, and strive to describe it in detail. When practicing with famous paintings, we should stimulate feelings through thinking in images, generate interest from feelings and rise from interest to artistic conception.

This can not only improve observation and attention, but also improve memory and creativity. Because in the process of creating a new mental image, you absorb and use a lot of clear visual information and store it in your brain.

2. line of sight

Watch while walking

Walk through your room, classroom or office at a moderate speed, or walk around the room, and pay attention to as many objects as possible quickly. Think back and say what you saw in as much detail as possible. It's best to write it down and then add it.

In daily life, eyes look like lightning. You can look at the objects in front of you in the blink of an eye, that is, between 0 1 ~ 04 seconds, and then recall their types and positions; Look at the number of cars speeding on the road, and then remember their letters and numbers; Look at a strange face and then recall its characteristics; Look at the trees and buildings on the roadside, and then remember the number and number of trees; Look at the billboard and then recall its pictures and words. The so-called "bright heart and bright eyes" can not only effectively exercise visual sensitivity, but also instantly exercise the intense attention of vision and brain, and also make you smarter from the inside out.

cast a glance at

-goddess scatters flowers

Take 25 to 30 colored balls of moderate size, or building blocks and checkers, one third of which are red, yellow, white or other colors. Mix them completely and put them in a basin. Grab two hands quickly, then let them go and let them roll from their hands to the sofa, or bed, desktop or floor at the same time. When they all fall, take a quick look at these falling objects, then turn around and write down the numbers of each color by memory, not by guessing. Check whether it is correct.

Repeat this exercise 10 days, and then see your progress.

have a quick look at

-sparse but not leaking.

Take 50 pieces of 7 cm square paper and write a Chinese character or letter on each piece of paper. The handwriting should be clear and neat, with the word side down. You can also use poker. Take out 10, close your eyes and put them up as far as possible on the table. Then open your eyes and take a closer look in a short time. Then turn around and write down what you see from your memory. Then, repeat this exercise with another 10 piece of paper. Do this three times a day and repeat 10 days. You can find that your attention has improved greatly.

Step 5 watch it in unison

-Panorama

Keep your eyes open, but don't overdo it and make yourself uncomfortable. Concentrate, look straight ahead and observe all the objects in your field of vision, but don't turn your eyes a bit. 10 seconds later, remember what you saw and write down the names of the objects you can remember by memory, instead of taking notes with the information and guesses you already have. Repeat 10 days, and change the observation position and field of vision every day. After that, you will find that your attention has improved.

The process of counting seconds is generally slower than expected. You can adjust your counting speed before practice. Look at the movement of the watch's second hand while counting, 1 sec, 1, just counting 1 min's "60", or 1 sec, 2 ~ 3 times.

(2) shulte grid:

Draw 25 squares of 1cm × 1cm on the square card, and randomly fill in 25 numbers such as Arabic numerals 1 ~ 25. During training, point out their positions with your fingers in the order of 1 ~ 25, and read aloud at the same time, recording the time spent. The shorter the time to count 25, the higher the attention level.

(3) Self-regulation and relaxation:

Sit comfortably in a chair or lie in bed, and then send rest information to all parts of the body. Starting from the left foot, let the foot muscles tighten, and then relax, suggesting that it is resting. Then command the ankles, calves, knees and thighs to rest to the trunk, then relax from the feet to the trunk, and then from the left and right hands to the trunk. At this point, relax from the trunk to the neck, then to the head and face. This technique of relaxation training needs repeated practice to master, and once you master this technique, you will reach a relaxed and calm state in just a few minutes.

(4) Countdown:

Some psychologists have studied that the countdown can concentrate, and this method proposed by psychologists is called the counting training method. For example, from 100, 99, 98 … to 1, or from 100, 98, 96 … to 2. If you can do it quickly and accurately and practice it repeatedly, your attention will be improved to some extent.