Reading skills at age 7-8 years were examined in a community-representative sample of 21 screened and clinically examined children with language delay (LD) followed prospectively from 2.5 years of age. The present study aimed to (1) determine whether these children with a history of LD had deficits in basic reading skills, i.e. decoding and…

Attention-deficit/hyperactivity Disorder (ADHD) and obsessive-compulsive disorder (OCD) have both been linked to dysfunction in the cortico-striato-thalamo-cortical circuitry (CSTCC). However, the exact nature of neurocognitive deficits remains to be investigated in both disorders. We applied two neuropsychological tasks that tap into different…

The objective of this study was to examine long-term adverse events of risperidone in 19 children, adolescents, and adults with Pervasive Developmental Disorders and intellectual disability, continuing risperidone for a mean of 186.5 weeks, following a 46-week risperidone study. Nineteen individuals continued long-term follow-up after our…

Twenty male adults with ADHD, 16 dyslexic adults, 15 comorbid adults, and 16 normal controls were compared on performance and underlying brain responses, during a cued Continuous Performance Test (O-X CPT), with the aim of discovering features of information processing differentiating between the groups. The study evaluated both cue- and…

Methamphetamine (meth) exposure during fetal development has the potential to adversely affect the development of multiple organ systems. An interdisciplinary case study of a 4-year 11-month-old child born to a mother addicted to meth revealed significant cognitive and communicative delays. Possible meth-related consequences for these delays…

Aim: The aim of the present study was to investigate whether behaviours typical of working memory problems are associated with poor academic attainment in those with attention-deficit-hyperactivity disorder (ADHD), as well as a non-clinical group identified on the basis of working memory difficulties. Method: Children clinically diagnosed with…

The study used multiple-group confirmatory factor analysis (CFA) and multiple indicators multiple causes (MIMIC) procedures to examine the measurement and construct equivalencies for father and mother ratings of ADHD symptoms, recoded as binary scores. Fathers (N = 387) and mothers (N = 411) rated their primary school-aged children on the…

REL Appalachia conducted a systematic review of the research evidence on the effects of increased learning time. After screening more than 7,000 studies, REL Appalachia identified 30 that met the most rigorous standards for research. A review of those 30 studies found that increased learning time does not always produce positive results. However,…

This occasional paper presents national demographic subgroup trends for U.S. secondary school students in a series of figures and tables. It supplements two of four annual monographs from the Monitoring the Future (MTF) study, namely the "Overview of Key Findings" and "Volume I: Secondary School Students." MTF is funded by the…

Monitoring the Future (MTF) is a long-term study of American adolescents, college students, and adults through age 55. It has been conducted annually by the University of Michigan's Institute for Social Research since its inception in 1975 and is supported under a series of investigator-initiated, competing research grants from the National…

Because of recent legislation, many students with mild disabilities enroll in high school social studies courses in general education rather than special education settings. Therefore, teachers may have students with learning disabilities, behavioral disorders, communication disorders, and attention deficit/hyperactivity disorder in their history,…

Over a five year period, a university clinic performed psychological evaluations of 102 adults (including 85 college students) who reported that they were experiencing learning or attention problems. Of 92 persons who completed the evaluation, 40 (43.5%) received no diagnosis, 7 (7.6%) received the diagnosis of ADHD, 29 (31.5%) received the…

Objective: This study investigates attributional styles and psychosocial functioning of men and women with ADHD identified in adulthood to inform practice issues. Method: One hundred and eighty adults participate: 52 females with ADHD, 37 males with ADHD, 51 female controls, and 40 male controls are administered questionnaires broadly assessing…

Objective: We evaluated correlates of the diagnosis of ADHD in youth by informant source. Method: Ninety-four pairs of mother reports and youth self-reports on ADHD were independently assessed, using diagnostic interviews from a large study of youth of both genders with and without ADHD. Comparisons were made on measures of interpersonal, school,…

Background: The appropriateness of the "Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition" (DSM-IV) nosology for classifying preschool mental health disturbances continues to be debated. To inform this debate, we investigate whether preschool psychopathology shows differentiation along diagnostically specific lines…