Jean R. Séguin
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View article: Advanced Paternal Age Impacts Common Loci in the Sperm and Placenta DNA Methylomes
Advanced Paternal Age Impacts Common Loci in the Sperm and Placenta DNA Methylomes Open
Background Epidemiological studies have reported an association between advanced paternal age at conception and an increased risk of neurodevelopmental disorders in offspring, such as autism spectrum disorder. Evidence suggests that DNA me…
View article: Health Service Use Among Young Adults With a History of Adolescent Cannabis Use
Health Service Use Among Young Adults With a History of Adolescent Cannabis Use Open
Importance Adolescent cannabis use is a substantial public health concern given its associations with adverse mental and physical health outcomes. Understanding how distinct use patterns are associated with medical care utilization in youn…
View article: Validation and factor structure of the Highly Sensitive Person Scale – Canadian French version and associations with personality and mental health
Validation and factor structure of the Highly Sensitive Person Scale – Canadian French version and associations with personality and mental health Open
The Highly Sensitive Person Scale (HSPS) measures Sensory Processing Sensitivity, a trait capturing individual differences in environmental sensitivity. This study of 186 young adults aimed to (1) validate and examine the factor structure …
View article: Associations between childhood receptive vocabulary and suicide attempt during adolescence and young adulthood
Associations between childhood receptive vocabulary and suicide attempt during adolescence and young adulthood Open
These results emphasize the potential role of childhood receptive vocabulary skills as a vulnerability marker for youth suicide attempt risk.
View article: Sex differences in associations between hair glucocorticoids and internalizing symptoms in adolescents
Sex differences in associations between hair glucocorticoids and internalizing symptoms in adolescents Open
View article: Maternal Diet Quality and Multivitamin Intake During Pregnancy Interact in the Association with Offspring Neurodevelopment at 2 Years of Age
Maternal Diet Quality and Multivitamin Intake During Pregnancy Interact in the Association with Offspring Neurodevelopment at 2 Years of Age Open
Objective: To comprehensively evaluate the interaction between diet quality and multivitamin intake during pregnancy on offspring neurodevelopment. Methods: This analysis was grounded in mother-child dyads from the 3D Cohort Study in Quebe…
View article: Gestational exposure to environmental chemical mixtures and cognitive abilities in children: A pooled analysis of two North American birth cohorts
Gestational exposure to environmental chemical mixtures and cognitive abilities in children: A pooled analysis of two North American birth cohorts Open
View article: A multimodal neuroimaging study of youth at risk for substance use disorders: Functional magnetic resonance imaging and [<scp><sup>18</sup>F</scp>]fallypride positron emission tomography
A multimodal neuroimaging study of youth at risk for substance use disorders: Functional magnetic resonance imaging and [<span><sup>18</sup>F</span>]fallypride positron emission tomography Open
Background Adolescent alcohol use is the norm, but only some develop a substance use disorder. The increased risk might reflect heightened mesocorticolimbic responses to reward‐related cues but results published to date have been inconsist…
View article: Correction: A sequential model of the contribution of preschool fluid and crystallized cognitive abilities to later school achievement
Correction: A sequential model of the contribution of preschool fluid and crystallized cognitive abilities to later school achievement Open
[This corrects the article DOI: 10.1371/journal.pone.0276532.].
View article: Beyond struggle: A strengths-based qualitative study of cannabis use among queer and trans youth in Québec
Beyond struggle: A strengths-based qualitative study of cannabis use among queer and trans youth in Québec Open
Our analysis illustrates many ways in which cannabis use (and non-use) features in QT youth's efforts to survive and thrive. As a result, we encourage loved ones, clinicians, researchers and policy makers to adopt a view of QT cannabis use…
View article: Psychose et suicide : comment se développent-ils conjointement ? Une revue narrative
Psychose et suicide : comment se développent-ils conjointement ? Une revue narrative Open
Les personnes atteintes de psychose présentent un risque de suicide jusqu'à 20 fois plus élevé que celui de la population générale. Les mécanismes sous-jacents à l'association entre la psychose et le suicide demeurent toutefois mal compris…
View article: Stress and anxiety during pregnancy and length of gestation: a federated study using data from five Canadian and European birth cohorts
Stress and anxiety during pregnancy and length of gestation: a federated study using data from five Canadian and European birth cohorts Open
View article: Associations between socioeconomic status, child risk factors, and parenting during guided learning
Associations between socioeconomic status, child risk factors, and parenting during guided learning Open
Researchers have identified socioeconomic status (SES) as a risk factor for suboptimal parenting in guided-learning settings. Yet, the confounding role of co-occurring child risk factors in the SES-parenting linkage is understudied. In thi…
View article: Prenatal paternal anxiety symptoms predict child DHEA levels and internalizing symptoms during adrenarche
Prenatal paternal anxiety symptoms predict child DHEA levels and internalizing symptoms during adrenarche Open
Introduction This study examined (1) whether measures of paternal anxious and depressive symptoms collected prenatally and during a follow-up assessment when the child was in middle childhood, predict child neuroendocrine outcomes, and (2)…
View article: Prenatal Exposure to Per- and Polyfluoroalkyl Substances and its Association with Neurobehavioral and Social Development During Childhood
Prenatal Exposure to Per- and Polyfluoroalkyl Substances and its Association with Neurobehavioral and Social Development During Childhood Open
View article: Antidepressants use during pregnancy and child psychomotor, cognitive and language development at 2 years of age—Results from the 3D Cohort Study
Antidepressants use during pregnancy and child psychomotor, cognitive and language development at 2 years of age—Results from the 3D Cohort Study Open
Introduction: Approximately 5.5% of pregnant women take antidepressants. Studies on prenatal exposure to antidepressants reported no association with child cognition, and inconsistent results with motor function and language development. A…
View article: Longitudinal associations between paternal mental health and child behavior and cognition in middle childhood
Longitudinal associations between paternal mental health and child behavior and cognition in middle childhood Open
Introduction Paternal mental health has been associated with adverse consequences on offspring psychosocial development, and family environmental factors may partly explain those associations. To clarify this, we need comprehensive prospec…
View article: Prenatal exposure to legacy PFAS and neurodevelopment in preschool-aged Canadian children: The MIREC cohort
Prenatal exposure to legacy PFAS and neurodevelopment in preschool-aged Canadian children: The MIREC cohort Open
Higher prenatal PFAS exposure was associated with lower performance IQ in males, suggesting that this association may be sex- and domain-specific.
View article: Heterogeneity in the Course of Suicidal Ideation and its Relation to Suicide Attempts in First-Episode Psychosis: A 5-Year Prospective Study
Heterogeneity in the Course of Suicidal Ideation and its Relation to Suicide Attempts in First-Episode Psychosis: A 5-Year Prospective Study Open
Objectives Although the risk of suicide is high in first-episode psychosis (FEP), little is known about the course of suicidal ideation and its relation to suicide attempts. Therefore, we aimed to identify 5-year trajectories of suicidal i…
View article: Le rôle médiateur du fonctionnement familial dans la relation entre l’adversité familiale et l’adaptation sociale des enfants d’âge préscolaire
Le rôle médiateur du fonctionnement familial dans la relation entre l’adversité familiale et l’adaptation sociale des enfants d’âge préscolaire Open
À la petite enfance, l’adaptation sociale de l’enfant dépend en partie des risques auxquels il est exposé dans son environnement. Toutefois, les mécanismes par lesquels les facteurs de risque opèrent leurs influences sur l’adaptation socia…
View article: En réponse à ... J. F. Chicoine et A. Quiviger
En réponse à ... J. F. Chicoine et A. Quiviger Open
En réponse à ... J. F. Chicoine et A. Quiviger : la garderie avant 2 ans nuisible pour les enfants : mythe ou réalité ?. An article from journal Revue de psychoéducation (Volume 38, Number 1, 2009, pp. 1-138), on Érudit.
View article: Prospective Polysubstance use Profiles Among Adolescents with Early-onset Cannabis Use, and their Association with Cannabis Outcomes in Emerging Adulthood
Prospective Polysubstance use Profiles Among Adolescents with Early-onset Cannabis Use, and their Association with Cannabis Outcomes in Emerging Adulthood Open
View article: A sequential model of the contribution of preschool fluid and crystallized cognitive abilities to later school achievement
A sequential model of the contribution of preschool fluid and crystallized cognitive abilities to later school achievement Open
The present study documented in two distinct population-based samples the contribution of preschool fluid and crystallized cognitive abilities to school achievement in primary school and examined the mediating role of crystallized abilitie…
View article: Heterogeneity in the course of suicidal ideation and its relation to suicide attempts in first-episode psychosis: a five-year prospective study
Heterogeneity in the course of suicidal ideation and its relation to suicide attempts in first-episode psychosis: a five-year prospective study Open
Introduction : Although the risk of suicide is high in first-episode psychosis (FEP), little is known about the course of suicidal ideation and its relation with suicide attempts. Therefore, we aimed to identify five-year trajectories of s…
View article: Heterogeneity in the course of suicidal ideation and its relation to suicide attempts in first-episode psychosis: a five-year prospective study
Heterogeneity in the course of suicidal ideation and its relation to suicide attempts in first-episode psychosis: a five-year prospective study Open
Background Although the risk of suicide is high in first-episode psychosis (FEP), little is known about the course of suicidal ideation and its relation with suicide attempts. Aims To identify five-year trajectories of suicidal ideation an…
View article: Transactional associations between vocabulary and disruptive behaviors during the transition to formal schooling
Transactional associations between vocabulary and disruptive behaviors during the transition to formal schooling Open
This study investigated the transactional relations between vocabulary and disruptive behaviors (DB; physical aggression and opposition/rule breaking/theft and vandalism), during the transition to formal schooling, using a community sample…
View article: A multi‐informant and multi‐polygenic approach to understanding predictors of peer victimisation in childhood and adolescence
A multi‐informant and multi‐polygenic approach to understanding predictors of peer victimisation in childhood and adolescence Open
Introduction Peer victimisation is a prevalent occurrence in childhood and adolescence and can often have long‐lasting consequences. Previous research using polygenic scores (PGSs) have revealed various genetic vulnerabilities as predictiv…
View article: Parental affective personality and children's self‐reported internalising and externalising behaviour
Parental affective personality and children's self‐reported internalising and externalising behaviour Open
Past research has demonstrated associations between parental personality traits and children's behaviour. However, fathers have been largely excluded from this research, and mothers often rate both their own personality and their child's b…
View article: A three-factor model of common early onset psychiatric disorders: temperament, adversity, and dopamine
A three-factor model of common early onset psychiatric disorders: temperament, adversity, and dopamine Open
View article: Author response for "Febrile seizure incidence and age at first occurrence are associated with changes in placental normalized gene expression: the ‘3D’ pregnancy cohort study"
Author response for "Febrile seizure incidence and age at first occurrence are associated with changes in placental normalized gene expression: the ‘3D’ pregnancy cohort study" Open