Focusing on behavioral criteria for attention-deficit/hyperactivity disorder (ADHD) diagnosis leads to considerable neuropsychological profile heterogeneity among diagnosed children, as well as variable response to methylphenidate (MPH) treatment. Documenting "cold" executive working memory (EWM) or "hot" self-regulation (SR) neuropsychological impairments could aid in the differential diagnosis of ADHD subtypes and may help to determine the optimal MPH treatment dose. In this study, children with ADHD inattentive type (n = 19), combined type (n = 33), and hyperactive-impulse type (n = 4) underwent randomized controlled MPH trials; neuropsychological, behavioral, and observational data were collected to evaluate the children's responses. Those with moderate or significant baseline EWM/SR impairment showed robust MPH response, whereas response for those with lower baseline impairment was equivocal. Implications for medication use and titration, academic achievement, and long-term treatment efficacy are examined.
A suboptimal intrauterine environment is thought to increase the probability of deviation from the typical neurodevelopmental trajectory, potentially contributing to the etiology of learning disorders. Yet the cumulative influence of individual antenatal risk factors on emergent learning skills has not been sufficiently examined. We sought to determine whether antenatal complications, in aggregate, are a source of variability in preschoolers' kindergarten readiness, and whether specific classes of antenatal risk play a prominent role. We recruited 160 preschoolers (85 girls; ages 3-4 years), born ≤33 6 / 7 weeks' gestation, and reviewed their hospitalization records. Kindergarten readiness skills were assessed with standardized intellectual, oral-language, prewriting, and prenumeracy tasks. Cumulative antenatal risk was operationalized as the sum of complications identified out of nine common risks. These were also grouped into four classes in follow-up analyses: complications associated with intra-amniotic infection, placental insufficiency, endocrine dysfunction, and uteroplacental bleeding. Linear mixed model analyses, adjusting for sociodemographic and medical background characteristics (socioeconomic status, sex, gestational age, and sum of perinatal complications) revealed an inverse relationship between the sum of antenatal complications and performance in three domains: intelligence, language, and prenumeracy (p = 0.003, 0.002, 0.005, respectively). Each of the four classes of antenatal risk accounted for little variance, yet together they explained 10.5%, 9.8%, and 8.4% of the variance in the cognitive, literacy, and numeracy readiness domains, respectively. We conclude that an increase in the co-occurrence of antenatal complications is moderately linked to poorer kindergarten readiness skills even after statistical adjustment for perinatal risk.
The modest twin disadvantage on language and visual processing tasks at preschool-age could not be readily attributable to socioeconomic or perinatal variables. The possibility of biological or social twinning-related phenomena as mechanisms underlying the observed performance gaps are discussed. (JINS, 2016, 22, 865-877).
We studied the associations between early postnatal growth gains and neuropsychological outcome in very preterm-born children. Specifically, we wished to establish whether relationships exist between gains in head circumference (relative to gains in body-weight or length), from birth to hospital discharge, and intellectual, language, or motor, performance at preschool age. We used data from 127 preschoolers, born <33 weeks, all graduates of the William Beaumont Hospital Neonatal Intensive-Care Unit (NICU) in Royal Oak, MI. Cognitive, motor, and language outcomes were evaluated using the Wechsler Preschool and Primary Scales of Intelligence-Revised, Peabody Developmental Scales - 2(nd) Edition, and the Preschool Language Scale - 3(rd) Edition, respectively. Differences between Z-scores at birth and hospital discharge, calculated for three anthropometric measures (head circumference, weight, length), were variables of interest in separate simultaneous multiple regression procedures. We statistically adjusted for sex, socioeconomic status, birth weight, length of hospitalization, perinatal complications, and intrauterine growth. Examination of the relationships between anthropometric indices and outcome measures revealed a significant association between NICU head growth and global intelligence, with the Z-difference score for head circumference accounting for a unique portion of the variance in global intelligence (ηp(2) =.04). Early postnatal head growth is significantly associated with neuropsychological outcome in very preterm-born preschoolers. To conclude, despite its relative brevity, NICU stay, often overlapping with the end of 2(nd) and with the 3(rd) trimester of pregnancy, appears to be a sensitive developmental period for brain substrates underlying neuropsychological functions.
Objectives: The aim of this prospective cross-sectional study was to examine perfectionism, disease self-management, and psychosocial outcomes in a sample of adolescents with inflammatory bowel disease (IBD). Methods: Adolescent patients with IBD and caregivers were enrolled in the study. Patients completed the Child and Adolescent Perfectionism Scale, the Strengths and Difficulties Questionnaire (SDQ), and the TRANSITION-Q. Parents completed the Multidimensional Perfectionism Scale and the parent form of the SDQ. Health care providers reported on disease activity using the Pediatric Ulcerative Colitis Activity Index (PUCAI) and the Pediatric Crohn Disease Activity Index (PCDAI). Results: Ninety adolescents (mean age 15.17 ± 1.49, range = 12–18) with diagnosed IBD (51 CD, 37 UC, and 2 IBD-U) and 76 primary caregivers participated in the study. Results indicated high rates of self-oriented perfectionism in adolescents with IBD (59% of sample reported elevated rates; 33% of sample in the clinical range). After accounting for age, sex, and disease activity, self-oriented perfectionistic striving was associated with better disease self-management; nonetheless, adolescent and parent perfectionistic strivings were also related to higher adolescent internalizing symptoms (standardized beta = 0.22 and 0.29, respectively). Additionally, perfectionistic concerns (self-critical and socially prescribed perfectionism) were associated with higher rates of adolescent-reported externalizing symptoms (standardized beta 0.30 and 0.24). Further, multilevel mixed modelling found no differences within-dyad in relation to perfectionism, but documented that adolescents report higher levels of externalizing symptoms compared with parents. Conclusions: The present study explores the prevalence and presentation of perfectionism in a sample of adolescents with IBD. Results suggest dimensions of perfectionism are differentially associated with psychosocial and disease management outcomes, suggesting further evidence of the relationship between perfectionism, maladaptive coping, and subsequent influences on health outcomes in the context of pediatric chronic illness.
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