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The Children's Depression Inventory (CDI) and Children's Depression Rating Scale-Revised (CDRS-R) are two widely used instruments, which measure depression in children and adolescents. This pilot study assessed the reliability of the Hebrew versions of these two instruments. Both CDRS-R and CDI were translated from English into Hebrew and then back(More)
Habitual sleep duration varies greatly among individuals. The physiological basis of this variation is unknown. We sought to determine whether individual differences in sleep duration are associated with systematic differences in the duration of the biological night that is programmed by the circadian pacemaker and reflected in the nocturnal interval of(More)
Posttraumatic stress disorder (PTSD) is a complex, heterogeneous disorder that develops following trauma and often includes perceptual, cognitive, affective, physiological, and psychological features. PTSD is characterized by hyperarousal, intrusive thoughts, exaggerated startle response, flashbacks, nightmares, sleep disturbances, emotional numbness, and(More)
We used the waking electroencephalogram to study the homeostatic sleep regulatory process in human short sleepers and long sleepers. After sleeping according to their habitual schedule, nine short sleepers (sleep duration < 6 h) and eight long sleepers (> 9 h) were recorded half-hourly during approximately 40 h of wakefulness in a constant routine protocol.(More)
This is the first follow-up study on the association between cannabis withdrawal symptoms and risk of relapse to cannabis use. Withdrawal symptoms were assessed in 36 subjects seeking treatment for cannabis dependence. All were free of other substance use or alcohol abuse in the month before abstinence from cannabis. Follow-up was performed 26+/-4 months(More)
For centuries, many cultures have described mythical creatures with bodies that combined human and animal features, often the result of violating taboos. This study attempted to investigate the beliefs of transplant patients about xenografting. A survey was given to 100 patients ranging in age from 17 to 74 years old, with 65 men and 35 women, including 72(More)
Genetic studies of seasonal affective disorder (SAD) and seasonality have received considerable attention over the past several years. Studies of the prevalence of SAD and nonseasonal mood disorders among relatives of patients with SAD suggested a familial contribution to the development of SAD. Two twin studies demonstrated a substantial role of genetic(More)
OBJECTIVE Anxiety disorders are frequently under-diagnosed conditions in primary care, although they can be managed effectively by general practitioners. METHODS This paper is a short and practical summary of the World Federation of Biological Psychiatry (WFSBP) guidelines for the pharmacological treatment of anxiety disorders, obsessive-compulsive(More)