attention deficit-hyperactivity disorder


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attention deficit-hyperactivity disorder

Attention deficit disorder Psychiatry An inability to control behavior due to difficulty in processing neural stimuli, resulting in ↑ motor activity, ↓ attention span Epidemiology ADHD is the most common neurobehavioral disorder of childhood, with a point-prevalence of 2% to 18%—depending on defining criteria; in children, the ♂:♀ ratio is 2:1; in adults, 1:2, characterized by impulsiveness, distractibility, variably accompanied by hyperactivity and/or aggressiveness, immaturity and emotional lability; although ADHD is considered idiopathic, neurochemistry and genetics may play a role Diagnosis ADHD is a diagnosis of exclusion Imaging NMR, ADHD brains may be 5% smaller in the anterior frontal region, the right caudate and globus pallidus; by PET, ADHD Pts maintain blood flow through temporal region, in contrast to controls, where the blood flow is ↓ Management Stimulants-methylphenidate-Ritalin®, dextroamphetamine, pemoline; antidepressants–desipramine, imipramine, bupropion; alpha-adrenergic agonists–clondine DiffDx Sensory deficit, receptive language disorder, specific learning disability, seizures, emotional problems, oppositional defiant disorder, conduct disorder, problems of parent-child interaction, mental retardation See Breuning affair.
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The researchers, emphasizing that most of the adoptees in the study were psychologically healthy and faring well, said that, as a group, those adolescents faced a greater risk for two psychiatric conditions: attention deficit-hyperactivity disorder and oppositional defiant disorder.
About 7 in 100 adolescents who were not adopted met the criteria for attention deficit-hyperactivity disorder, about half the rate for adopted adolescents.
Current RITALIN regimens require multiple daily dosages, a major inconvenience for young attention deficit-hyperactivity disorder patients; pending scientific and regulatory reviews, the single dose administration of d-methylphenidate may help many attention deficit-hyperactivity disorder patients better comply with their treatment.
Jerome Zeldis, MD, PhD, vice president for medical affairs at Celgene and co-author of the patent, noted that simplifying the dosage regimen for attention deficit-hyperactivity disorder patients could be expected to afford substantial benefits for attention deficit-hyperactivity disorder patients and their healthcare providers, particularly at school.
If demonstrated clinically, administration of d-methylphenidate for attention deficit-hyperactivity disorder outside of the school setting would eliminate the need for children to report to their school nurse's offices for treatment, easing the visibility and stigma of their condition and easing the burden on the school," Dr.
Many scientists assume that attention deficit-hyperactivity disorder (ADHD) stems from a poorly understood brain malfunction.
One award from the National Institute of Neurological Disorders and Stroke will fund development of new radiopharmaceuticals to identify changes in the dopamine transporter with potential for diagnosis and monitoring of therapy in Parkinson's disease, attention deficit-hyperactivity disorder (ADHD) and cocaine addiction.
The parents and family physician face a difficult question: Does the boy have attention deficit-hyperactivity disorder (ADHD), the most commonly diagnosed psychiatric condition among children?
Crystaal Corporation, a wholly owned subsidiary of Biovail, intends to market d-MPH for use in the treatment of Attention Deficit-Hyperactivity Disorder (ADHD).

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