FRIDAY, April 12 (HealthDay News) -- When the latest version of what is considered the "bible" of psychiatry is unveiled in May, experts believe several changes in it will broaden both the definition and diagnosis of attention-deficit/hyperactivity disorder -- or ADHD.
But experts also differ on whether the shifts in thinking about this neurodevelopmental disorder will be a good thing.
Dr. James Norcross, a child and adolescent psychiatrist at the University of Texas Southwestern Medical Center at Dallas, outlined the major changes that should be coming in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), which is published by the American Psychiatric Association.
"One is the latest age that someone can have the onset of symptoms," Norcross explained. "In the current version, it's seven years. That will be changed to 12 years in the DSM-5, which may make things easier for adults and adolescents, because they'll be able to better recall some of the challenges that may have occurred."
Another big change that Norcross expects is that those over 17 will only have to meet five criteria, instead of six, to be diagnosed with ADHD. "This could increase the number of adults [who] are diagnosed because the criteria were largely developed for children, and they're not necessarily things we see in adults," he explained. For example, one of the criteria for hyperactivity has been squirming in your seat.
The last significant expected change is that ADHD will no longer be grouped with conduct disorder and oppositional defiant disorder. Instead, it will be grouped with neurodevelopmental disorders.
"They're trying to group disorders by similar pathology, and this is a better description of ADHD. More and more, it's being shown to be a biological process," Norcross explained.
Overall, Norcross said he thought the changes were
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