(Historical Consultant: Rory Reid)
Hippocrates (460-375 BC) attributed a condition comparable to ADHD to an "overbalance of fire and water".
1798 Sir Alexander Crichton described a mental state much like an inattentive subtype of ADHD
1845 Dr. Heinrich Hoffman coined the term Hyperkinetic Syndrome for naughty restless children growing still more rude and wild.
1902 Sir George Still documented cases of impulsive behaviour, and called the condition Defect of Moral Control.
1920s ADHD-like behaviour was described and diagnosed as Post-Encephalitic Behaviour Disorder.
1937 Children with ADHD-like symptoms were treated with stimulants by Dr. Charles Bradley.
1956 Ritalin was first used to treat hyperactive children.
1960s. Stimulants increasingly used to treat hyperactive children. Term Minimal Brain Dysfunction later replaced by "Hyperkinetic Disorder of Childhood.
1970s. More symptoms recognized, including impulsiveness (verbal, cognitive, or motor), lack of focus, and daydreaming.
1980 Name Attention Deficit Disorder invented by American Psychiatric Association.
1987 Name revised to Attention Deficit Hyperactive Disorder.
1996 Adderall was approved to treat ADHD
1998 American Medical Association stated that ADHD was one of the most researched "disorders"