https://www.openlearning.com/u..../nicholsongotfredsen
Severe ADHD Symptoms People suffering from ADHD may hyperfocus on things they find interesting or fun. They could also be susceptible to mood swings and a low tolerance to frustration. Doctors will examine the medical history of the patient and their family members, especially if they have children. They will also talk to parents and read school reports. They will assess symptoms for both inattention and hyperactivity-impulsivity, as well as a lack of motivation. 1.