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For more than 100 years, extremely hyperactive children have been recognized as having behavioral problems. In the 1970s, doctors recognized that those hyperactive children also had serious problems with “paying attention. ” Researchers in the 1980s found that some children had severe problems in paying attention, but little or no problem with hyperactivity at all. That’s when they started talking about two types of Attention Deficit Disorder: with or without hyperactivity.1 CONFUSING LABELS FOR ADHD In 1994 the name of the disorder got changed in a way that is confusing for many people. Since that time all forms of attention deficit disorder are officially called “Attention-Deficit/Hyperactivity Disorder ” after which a comma appears. After the comma, a subtype is specified: • “Predominantly Inattentive Type ” for someone with serious inattention problems, but not much problem with hyperactivity/impulsive symptoms; • “Combined Type ” for someone with serious inattention problems and serious problems with hyperactivity and impulsivity; or, • “Predominantly Hyperactive/Impulsive Type for someone with serious problems with hyperactivity/impulsivity, but not much problem with inattention. Even though these are the official labels, a lot of professionals and lay people use both terms: “ADD ” and “ADHD. ” Some use those terms to designate the old subtypes; others use ADD just as a shorter way to refer to any subtype