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The second section of the test is a measure of attention while attending to a stimulating task (target frequent). This section is also 10.8 minutes long and the target is presented 3.5 times for every 1 time a non-target is presented. [2] [unreliable medical source?] ADHD has three sub-types: Inattentive, hyperactive, or combined.
Attention deficit hyperactivity disorder predominantly inattentive (ADHD-PI or ADHD-I), [3] is one of the three presentations of attention deficit hyperactivity disorder (ADHD). [4] In 1987–1994, there were no subtypes or presentations and thus it was not distinguished from hyperactive ADHD in the Diagnostic and Statistical Manual (DSM-III-R).
The diagnosis of "ADHD, not otherwise specified" also no longer includes any mention of CDS symptoms. [25] Similarly, ICD-10, the medical diagnostic manual, has no diagnosis code for CDS. Although CDS is not recognized as a disorder at this point, researchers continue to debate its usefulness as a construct and its implications for further ...
The Swanson, Nolan and Pelham Teacher and Parent Rating Scale (SNAP), developed by James Swanson, Edith Nolan and William Pelham, is a 90-question self-report inventory designed to measure attention deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) symptoms in children and young adults. [1]
In North America and Australia, DSM-5 criteria are used for diagnosis, while European countries usually use the ICD-10. The DSM-IV criteria for diagnosis of ADHD is 3–4 times more likely to diagnose ADHD than is the ICD-10 criteria. [217] ADHD is alternately classified as neurodevelopmental disorder [218] or a disruptive behaviour disorder ...
ADHD inattentive type: Must score either a 2 or 3 on six or more items in questions 1–9, and score of 1 or 2 on any items in the performance section. ADHD hyperactive/impulsive type: Must score either a 2 or 3 on six or more items in questions 10–18, and a score of 1 or 2 on any items in the performance section.
The ADHD Rating Scale (ADHD-RS) is a parent-report or teacher-report inventory created by George J. DuPaul, Thomas J. Power, Arthur D. Anastopoulos, and Robert Reid [1] consisting of 18–90 questions regarding a child's behavior over the past 6 months. [1]
This same review reported a global combined prevalence of ADHD of 10% in boys and 5% in girls. [58] While the male-to-female ratio of ADHD diagnoses in childhood is about 2.3:1 in children, it approaches 1.5:1 or lower in adulthood. [15] [9] This is consistent with research revealing underdiagnosis of ADHD in females during childhood. [9]