1. Difficulty in concentration
Children's attention span is short, and they are easily distracted by external interference. You can't finish one thing from beginning to end, you don't pay attention to the class, you do little tricks, you look around or you are distracted.
2. Too many activities
Children often fidget and can't sit still. Too many small moves, too much talk, running around, jumping around, climbing up and down, not knowing the danger. Likes to provoke people, and often quarrels and fights with classmates.
3. Impulsive willfulness and emotional excitability
Children with poor self-control are emotionally unstable, easily excited, irritable, prone to crying, impulsive and often lose their temper. Persistence, stubbornness, impatience, childishness, lack of honor, no distinction between right and wrong, some lie, play truant, cheat, some stay out of it, and even get into bad habits.
4. Learning disabilities
Although children's intelligence is normal, they all show learning difficulties and poor memory discrimination. They often write "B" as "D" or "6" as "9", and their academic performance is low. Some people have good intelligence, but their academic performance is not ideal, which is characterized by ups and downs, great fluctuations in performance and springboard changes in performance. They grasp the results and go up. If they don't grasp them, they will fall down and even repeat the grade.
5. It is difficult to coordinate the movements finely
The child's movements are clumsy, such as tying buttons, tying shoelaces, sharpening pens and walking in a straight line.
6. Signs of the nervous system
Common tests such as finger nose test, rapid finger test, rotation test and handspring test are all positive.