Abstract
The relationship of sleep disorders, attention deficit hyperactivity disorder (ADHD), comorbidity associated with ADHD, and treatment with stimulant medications was determined using 2 sleep questionnaires completed by the parents in a study of children aged 6 to 12 years treated at the Hospital for Sick Children, Toronto, Canada.
Highlights
Intermittent photic stimulation was performed in 21 photosensitive epileptic patients and the relation of the photoparoxysmal response (PPR) to the epilepsy syndrome was determined in a study at the National Epilepsy Center, Shizuoka Higashi Hospital, Shizuoka, Japan
The relationship of sleep disorders, attention deficit hyperactivity disorder (ADHD), comorbidity associated with ADHD, and treatment with stimulant medications was determined using 2 sleep questionnaires completed by the parents in a study of children aged 6 to 12 years treated at the Hospital for Sick Children, Toronto, Canada
The percentage of subjects with 1 or more sleep problems was highest in the medicated ADHD group (95.5%) and unmedicated ADHD group (86.1%); it was 82.9% in the clinical comparison group, and 55.5% in the nonclinical comparison group
Summary
Intermittent photic stimulation was performed in 21 photosensitive epileptic patients and the relation of the photoparoxysmal response (PPR) to the epilepsy syndrome was determined in a study at the National Epilepsy Center, Shizuoka Higashi Hospital, Shizuoka, Japan. The PPR was dependent on the quantity-of-light in 4 of 6 patients with photosensitive myoclonic epilepsy in infancy, and in 2 of 7 with symptomatic generalized epilepsy. Patients with QLD-PPRs have PPRs at frequencies from 6 to 33 Hz, whereas patients with wavelength-dependent (WLD) PPRs show responses at a narrower range (12-20 Hz) This suggests a higher level of photosensitivity in patients with Q.LD than WLD PPRs. Some photosensitive patients are thought to undergo an evolution and a change in mechanism with age
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