- Attention Deficit Hyperactivity Disorder
- Child and Adolescent Psychosocial and Emotional Development
- COVID-19 and Mental Health
- Autism Spectrum Disorder Research
- Child Nutrition and Feeding Issues
- Children's Physical and Motor Development
- Child Development and Digital Technology
- Family and Disability Support Research
- Impact of Technology on Adolescents
- Bipolar Disorder and Treatment
- Adolescent and Pediatric Healthcare
- Infant Development and Preterm Care
- Family Support in Illness
- Behavioral and Psychological Studies
- Maternal Mental Health During Pregnancy and Postpartum
- Bullying, Victimization, and Aggression
- Medication Adherence and Compliance
- Child and Adolescent Health
- Youth Development and Social Support
- Pharmaceutical studies and practices
- Cardiovascular Syncope and Autonomic Disorders
- Health Systems, Economic Evaluations, Quality of Life
- Human Health and Disease
- Infant Health and Development
- Digital Mental Health Interventions
Hospital for Sick Children
2013-2024
SickKids Foundation
2012-2024
University of Toronto
2013-2024
Institute for Clinical Evaluative Sciences
2008-2023
Public Health Ontario
2023
Canadian Paediatric Society
2017-2018
American Academy of Child and Adolescent Psychiatry
2017-2018
Mental Health Research Institute
2014
McMaster University
2011
University College London
2004
BackgroundAttention-deficit/hyperactivity disorder (ADHD) shows substantial heritability and is two to seven times more common in male individuals than female individuals. We examined putative genetic mechanisms underlying this sex bias: sex-specific heterogeneity higher burden of risk cases.MethodsWe analyzed genome-wide autosomal variants from the Psychiatric Genomics Consortium iPSYCH Project (n = 20,183 cases, n 35,191 controls) Swedish population register data 77,905 1,874,637...
This paper describes the development of Toronto Anti-Bullying Intervention. The effectiveness Intervention was examined with quantitative and qualitative data gathered before 18 months after its implementation. results this research confirm that bullying continues to be a pervasive problem in schools. There were some improvements students' reports as assessed at individual, peer, school levels. Over first program, children reported increased teacher interventions stop bullying. More bullies...
The experiences of parents a child who received an initial diagnosis attention-deficit hyperactivity disorder (ADHD) were examined to determine the ways in which they may have encountered stigmatizing situations.Forty-eight children aged six 18 years interviewed about their leading up child's ADHD diagnosis, including decisions seek treatment. All interviews recorded, transcribed, and analyzed using grounded theory methods. Codes identified constant comparative approach, led theoretically...
<h3>Importance</h3> Longitudinal research on specific forms of electronic screen use and mental health symptoms in children youth during COVID-19 is minimal. Understanding the association may help develop policies interventions targeting activities to promote healthful youth. <h3>Objective</h3> To determine whether (television [TV] or digital media, video games, learning, video-chatting time) were associated with depression, anxiety, conduct problems, irritability, hyperactivity, inattention...
Background Response inhibition, working memory, and response variability are possible endophenotypes of ADHD based on their association with the disorder evidence heritability. One critical although rarely studied criteria for a valid endophenotype is that it persists despite waxing waning overt manifestations disorder, criterion known as state‐independence. This study examined whether these aspects cognition exhibit state‐independence in . Methods hundred seventy‐nine children diagnosed...
Young adolescents' and their parents' experiences with Attention-Deficit/Hyperactivity Disorder (ADHD) its treatment were explored to investigate beliefs attitudes regarding use of stimulant medication, influence on decisions. Using in-depth qualitative interviews, 12 adolescents ADHD aged – 15 years, parents described treatment. Twenty four elicited detailed descriptions about ADHD, the circumstances surrounding Verbatim transcripts iteratively analyzed by a team researchers following an...
Abstract Background Although research on the relationship between parent and child mental health is growing, impact of early parenting stress preschool-aged children’s remains unclear. The objective was to evaluate association during infancy problems in 3-year-old children. Methods A prospective cohort study healthy children recruited from 9 primary care practices Toronto, Canada conducted through TARGet Kids! practice-based network. Parenting measured when were 0 16 months age, using Parent...
Background: The goal of this study was to compare the predictive validity two main diagnostic schemata for childhood hyperactivity – attention‐deficit disorder (ADHD; Diagnostic and Statistical Manual IV) hyperkinetic (HKD; International Classification Diseases 10th Edition). Methods: criteria ADHD HKD were used classify 419 children ages 6 16 years referred a clinic behavioral problems into one four groups: HKD, combined subtype (ADHD‐C), hyperactive‐impulsive (ADHD‐HI), inattentive...
In Ontario, Canada, school extracurricular activities and sports were modified or canceled for a prolonged period due to public health restrictions resulting from the COVID-19 pandemic. The present study aims examine association of changes sport participation child youth mental health. Data collected on symptoms (n = 908) in 2019-2020 2020-2021 academic years. Results indicated that pre-COVID (2019-2020) either was associated with reduced anxiety, inattention, hyperactivity during pandemic...
Abstract Background Heterogeneous mental health outcomes during the COVID-19 pandemic are documented in general population. Such heterogeneity has not been systematically assessed youth with autism spectrum disorder (ASD) and related neurodevelopmental disorders (NDD). To identify distinct patterns of impact their predictors ASD/NDD youth, we focused on pandemic-related changes symptoms access to services. Methods Using a naturalistic observational design, parent responses Coronavirus Health...
Inadequate and excessive gestational weight gain (GWG) defined by the Institute of Medicine (IOM) has been associated with preterm birth. However, studies demonstrate inconsistent associations. We examined associations between categorical continuous total GWG moderate to late birth (32-<37 weeks), evaluated differences in these pre-pregnancy BMI. analyzed cross-sectional data from children participating TARGet Kids! Toronto, Canada. Parents < 6 years age recalled weight, end-of-pregnancy...