The diagnosis is usually made when school starts, around 6-7 years old, especially when school adjustment problems arise. But we can also detect some warning signs before starting school:

• They're like tornadoes when they start walking.
• They're always on the move and constantly throwing things around
• They have an insatiable curiosity
• They are fearless, they see no danger
• They have difficulty accepting the rules
• Their games tend to be more aggressive, and their demands are frequent and noisy.
• They constantly interrupt.
• They have frequent and intense tantrums