IMPORTANCE Tourette syndrome (TS) is characterized by high rates of psychiatric comorbidity; however, few studies have fully characterized these comorbidities. Furthermore, most studies have included relatively few participants (<200), and none has examined the ages of highest risk for each TS-associated comorbidity or their etiologic relationship to TS. OBJECTIVE To characterize the lifetime...

OBJECTIVE This study assesses the relationship between sleep disturbances (SD) and attention-deficit and hyperactivity disorder (ADHD) to characterize clinical features and associated problems. METHOD The medical records of 50 children and adolescents ranging in age from 4 to 17 years with ADHD without the diagnosis of mental retardation or pervasive developmental disorders were reviewed. R...

Attention-deficit/hyperactivity disorder (ADHD) in adults occurs at a prevalence rate that is higher than the prevalence of many major psychiatric disorders in adults. Thus, adult patients with ADHD often present with comorbid conditions, each of which alters the course of ADHD, overall treatment recommendations, and symptom response differently. Common ADHD comorbidities include major depressi...

Abstract Objective: This study aimed to examine the regional cerebral blood flow (rCBF) of several brain regions evaluate differences between Post-Traumatic Stress Disorder (PTSD) and Attention-Deficit/Hyperactivity (ADHD). Method: The sample consisted PTSD patients (n=89) with a mean age 12.10 years, SD=3.88, ADHD (n=2568) 12.19 SD=3.39. To test hypothesis that rCBF within these two disorders ...

BACKGROUND It is unclear whether adult offenders with a history of attention deficit hyperactivity disorder (ADHD) are more likely to re-offend, and if so, in any specific offences. AIM This study aimed to examine correlates of childhood ADHD symptoms among prisoners. METHODS A randomly selected sample of 1179 participants from the adult sentenced population of Puerto Rico (USA) reported th...

BACKGROUND Several studies report associations between adults with borderline personality disorder (BPD) and a history of attention-deficit hyperactivity (ADHD) symptoms in childhood. AIMS To explore the association between BPD and a history of ADHD in childhood. METHOD A comprehensive search of EMBASE, PsychInfo and Medline and hand-searching yielded 238 "hits". Fifteen articles were found...

Attention-deficit hyperactivity disorder (ADHD) is one of the most common psychological disorders in children. Sleep disturbances are also very prevalent among the pediatric age range and can lead to substantial behavioral and cognitive consequences that may mimic ADHD. Conversely, children with ADHD may suffer from significant sleep disturbances that may originate in the biochemical disturbanc...

OBJECTIVE This retrospective study used A Quick Test of Cognitive Speed (AQT) to compare processing speed and efficiency measures by adults with attention-deficit/hyperactivity disorder (ADHD) or non-ADHD psychiatric disorders and healthy controls. METHOD Color, form, and color-form combination naming tests were administered to 104 adults, ages 17-55 years, referred for psychiatric evaluation...

OBJECTIVE To investigate sex and informant effects on comorbidity rates for anxiety disorders, depressive disorders, attention-deficit hyperactivity disorder (ADHD), and conduct-oppositional disorder (CD-ODD) in an adolescent community sample. METHOD The Diagnostic Interview Schedule for Children-2.25 (DISC-2.25) was administered to 1201 adolescents and their mothers. RESULTS The highest co...

OBJECTIVE Attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder frequently co-occur. Several studies show increased risk of substance use disorders in ADHD, yet there is limited information related to how ADHD symptoms, autistic traits, and their combined effects are associated with nicotine, alcohol, and cannabis use and use disorders in the general population. METHOD ...