the aim of this study was to determine melatonin effects on sleep patterns, symptoms of hyperactivity and attention deficiency in children with attention-deficit hyperactivity disorder (adhd).children with age range of 7-12 years who had a combined form of adhd were randomly divided in to 2 groups according to gender blocks. one group took melatonin (3 or 6mg) combined with methylphenidate (rit...

OBJECTIVE This study investigated the relationship between motor performance and social-communicative impairment in children with ADHD-combined type (ADHD-CT). METHOD An upper limb Fitts' aiming task was used as a measure of motor performance and the Social Responsiveness Scale as a measure of social-communicative/autistic impairment in the following groups: ADHD-CT (n = 11) and typically dev...

OBJECTIVE The aim of this study was to examine the differences between ADHD subtypes in executive function tasks compared to themselves and normal controls. METHOD In this study, 45 school aged children with Attention Deficit Hyperactivity Disorder (ADHD) and 30 normal children who were matched based on age and IQ score in Wechsler Intelligence Scale for Children-Revised (WISC-R) were compare...

OBJECTIVES Current models of ADHD suggest abnormal reward and punishment sensitivity, but the exact mechanisms are unclear. This study aims to investigate effects of continuous reward and punishment on the processing of performance feedback in children with ADHD and the modulating effects of stimulant medication. METHODS 15 Methylphenidate (Mph)-treated and 15 Mph-free children of the ADHD-co...

OBJECTIVE The ability to select what is important to remember, to attend to this information, and to recall high-value items leads to the efficient use of memory. The present study examined how children with and without attention-deficit/hyperactivity disorder (ADHD) performed on an incentive-based selectivity task in which to-be-remembered items were worth different point values. METHOD Part...

BACKGROUND The aim of this study was to evaluate a novel oxidative stress marker (thiol/disulfide homeostasis) in attention deficit hyperactivity disorder (ADHD) children for the first time in literature. METHODS Ninety children with ADHD diagnosed according to DSM-V and as control group, 65 healthy children were included to the study. Native thiol, total thiol, disulfide, disulfide/native th...

The aim of this study was to determine the prevalence of attention deficit hyperactivity disorders (ADHD) in children according to socio-demographic factors and the distribution of ADHD subtypes in a community in Korea. A screening survey using the Korean version of ADHD Rating Scale (K-ARS) was conducted between 2007 and 2008, and clinical interviews by a pediatric psychiatrist were performed ...

OBJECTIVE Hyperactivity is a core symptom of attention-deficit hyperactivity disorder (ADHD), but limited information is available on analysis of activity patterns in this disorder. The aim of the study was to analyze motor activity during daily living in adult patients with ADHD. METHODS Patients (n=76) from the private psychiatric practice of two of the authors were recruited, and were comp...

Background and Objectives: Most of the previous studies investigated prevalence of attention-deficit/hyperactivity disorder (ADHD) among university students with self report measures. Present study investigated actual prevalence of ADHD and comorbid disorders among university students in Cumhuriyet University of Sivas in Turkey. Methods: In the first stage, 980 university students filled in the...

The present study aimed to investigate serum cortisol, dehydroepiandrosterone (DHEA), and oxytocin levels of children with attention-deficit/hyperactivity disorder (ADHD) combined presentation and those diagnosed with ADHD combined presentation and coexisting conduct disorder. A total of 74 drug-naive children with ADHD combined presentation alone, 32 children with ADHD combined presentation + ...