The pineal gland, as part of the human epithalamus, is the main production site of peripheral melatonin, which promotes the modulation of sleep patterns, circadian rhythms and circadian preferences (morningness vs. eveningness). The present study analyses the pineal gland volume (PGV) and its association with circadian preferences and symptom severity in adult ADHD patients compared to healthy ...

—Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common disorders of childhood, affecting 3 to 7 percent of the population (American Psychiatric Association 2000). Research has indicated that the prevalence rate of ADHD in adult populations is approximately 4.4 percent and that the majority of those cases go untreated (Kessler et al. 2006). To date, no known research has inve...

BACKGROUND Little is known about the effects of adult attention deficit hyperactivity disorder (ADHD) on work performance or accidents-injuries.MethodA survey was administered in 2005 and 2006 to employees of a large manufacturing firm to assess the prevalence and correlates of adult ADHD. Respondents (4,140 in 2005, 4,423 in 2006, including 2,656 in both surveys) represented 35-38% of the work...

background and objective: background: the present study investigates the relationship between attention deficit hyperactive disorder (adhd) and the severity of symptoms in children with autistic spectrum disorder. methods: the study was conducted on 80 patients with autistic spectrum disorder visiting child psychiatric clinic of tehran psychiatric institute. the severity of autistic symptoms wa...

BACKGROUND Data on the relationship between core symptoms and daily functioning in adults with attention deficit hyperactivity disorder (ADHD) are limited. Daily functioning was assessed as part of an open-label extension, and associations with symptom scores were evaluated. METHOD After a 5-week double-blind study with adults with ADHD receiving osmotic-controlled release oral delivery syste...

Abstract Recent research suggests that Attention Deficit Hyperactivity Disorder (ADHD) may be influenced by interactions between the individual and their social context. This study examined predictive value of family context variables attentional control levels on child ADHD symptoms. A new explanatory model relationship amongst these was also tested. sample 754 families with children aged 7 to...

OBJECTIVES To study the factor of birth weight below 2,500 grams and Attention Deficit Hyperactivity Disorder (ADHD) and to identify the factors that are associated with ADHD. MATERIAL AND METHOD A retrospective, hospital-based, case control study was conducted with 122 ADHD cases from the child and adolescent psychiatric outpatient unit at Siriraj Hospital, 119 nonADHD from students who have...

BACKGROUND The present study evaluated two psychometric instruments derived from the objective measurement of adult ADHD using the Quantified Behavior Test Plus. The instruments were examined in ADHD versus a clinical group with overlapping symptoms including borderline personality disorder and bipolar II disorder, and another clinical group with participants assessed for but disconfirmed a dia...

Attention-deficit hyperactivity disorder (ADHD) is a developmental disorder, which is associated with a number of psychiatric conditions, mostly personality disorder, substance misuse, anxiety and depression. The aim of the present study was to investigate the relationship between ADHD symptoms and associated psychiatric conditions among prisoners. The participants were 90 male prisoners in Ice...