Faculty profile

Isabelle Ouellet-Morin

ResearcherCriminologieUniversité de Montréal

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a Université de Montréal directory, so their courses may be missing. Find their university profile.

Isabelle Ouellet-Morin

Researcher

Criminologie

Health Sciences

Université de Montréal

Montreal, Quebec, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
49 publications in the last five years, latest in 2026.
Senior (last) author on 12 recent papers, a sign of leading a research group.
Principal investigator on 9 research grants (8 CIHR, 1 SSHRC), most recently in 2023.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Longitudinal Study Chronic Stress Cortisol Early-Life Stress Early Childhood Harsh And Coercive Parenting Socioemotional And Behavioral Problems Transactional Models

Latest papers

Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec.
Canadian journal of psychiatry. Revue canadienne de psychiatrie · 2026
Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.
European child & adolescent psychiatry · 2026
Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.
JCPP advances · 2026

All 72 publications

Latest funding

Cannabis use-related harms on neurocognition and mental health: harnessing long-term longitudinal cohorts to study persistence, recovery, risk and resilience.
CIHR · 2026 · Co-investigator
$2,399,100
Early Life to Love Life: Gene-Environment Pathways to Adult Couple Relationships
SSHRC · 2025 · Co-investigator
$380,981
Aggregators for rich datasets: from foundations to applications
SSHRC · 2024 · Co-investigator
$25,627

All 27 grants and awards

72 publications.

Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec.

MacNeil S, Sicotte R, Davisse-Paturet C, Chartrand E, Alexander E, Lecousy M, Girard A, Orri M, Chadi N, Ouellet-Morin I, Pullen Sansfaçon A, Iyer SN, Castellanos-Ryan N, Colman I, Juster RP, Geoffroy MC

Canadian journal of psychiatry. Revue canadienne de psychiatrie2026

DOI: 10.1177/07067437261442420 PMID: 41983935

Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.

Civita A, Colman I, Orri M, Chartrand E, Dorais M, Spodenkiewicz M, Martinez P, Castellanos-Ryan N, Ouellet-Morin I, Côté SM, Thombs BD, Geoffroy MC

European child & adolescent psychiatry2026

DOI: 10.1007/s00787-026-03183-4 PMID: 42747516

Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.

Marzecki F, Ouellet-Morin I, Zavos HMS, Côté S, Tremblay RE, Gouin JP, Orri M, Boivin M, Geoffroy MC

JCPP advances2026

DOI: 10.1002/jcv2.70061 PMID: 42416628

Mental Health Service Use in Sexually and Gender Diverse Youths and Cisgender Heterosexual Youths.

Anzarouth L, MacNeil S, Ryan NC, Martineau A, Orri M, Temcheff C, Dorais M, Girard A, Iyer SN, Colman I, Ouellet-Morin I, Chadi N, Juster RP, Geoffroy MC

JAMA network open2026

DOI: 10.1001/jamanetworkopen.2026.26797 PMID: 42599709

Mental health status of sexually diverse youth at age 23: Cross-sectional data from the Quebec Longitudinal Study of Child Development.

Martineau A, MacNeil S, Iyer SN, London-Nadeau K, Anzarouth L, Chartrand É, Colman I, Orri M, Chadi N, Ouellet-Morin I, Ryan NC, Sansfaçon AP, Juster RP, Geoffroy MC

Canadian journal of public health = Revue canadienne de sante publique2026

DOI: 10.17269/s41997-026-01235-5 PMID: 42484771

Prevalence and mental health correlates of non-suicidal self-injury in elementary school children.

Hadj-Youssef S, Civita A, Chartrand E, Malboeuf-Hurtubise C, Fuoco J, Loose T, Ouellet-Morin I, Heath N, Maltais N, Baetens I, Spodenkiewicz M, Côté S, Geoffroy MC

Psychiatry research2026

DOI: 10.1016/j.psychres.2026.117097 PMID: 41865642

Prenatal phenol exposure and child behaviour: insights into the hypothalamic-pituitary-adrenal axis from two prospective mother-child cohorts.

Rolland M, Bustamante M, Jedynak P, Thomsen C, Sakhi AK, Foraster M, Gascon M, Gómez-Roig MD, Llurba E, Rivas I, Ouellet-Morin I, Ferrer M, Morillas A, Carras S, Bayat S, Lyon-Caen S, Pozo OJ, Vrijheid M, Sunyer J, Slama R, Dadvand P, Philippat C

The Lancet. Planetary health2025

DOI: 10.1016/j.lanplh.2025.101330 PMID: 41386271

Bidirectional Associations Between Civic Engagement, Depressive Symptoms, and Suicidality in Youth: A Population-Based Study.

Sciola A, Acland E, Philippe FL, Loose T, Orri M, Vergunst F, Ouellet-Morin I, Castellanos-Ryan N, Girard A, Talwar V, Côté S, Geoffroy MC

Journal of adolescence2025

DOI: 10.1002/jad.70029 PMID: 40818106

Deciphering the mediating role of childhood maltreatment in the association between genetic risk and developmental trajectories of school-age reactive and proactive aggression.

Ouellet-Morin I, Geoffroy MC, Louis P, Voronin I, Morneau-Vaillancourt G, Langevin R, Collin-Vézina D, Giguère CE, Bouliane M, Petitclerc A, Brendgen M, Vitaro F, Tremblay RE, Boivin M

Development and psychopathology2025First author

DOI: 10.1017/s0954579425100801 PMID: 41111315

Prediction of depressive symptoms in young adults by polygenic score and childhood maltreatment: Results from a population-based birth cohort.

Scardera S, Geoffroy MC, Langevin R, Perret LC, Collin-Vézina D, Voronin I, Gouin JP, Meng X, Boivin M, Ouellet-Morin I

Development and psychopathology2025Senior author

DOI: 10.1017/s0954579424001688 PMID: 39465601

Cannabis use-related harms on neurocognition and mental health: harnessing long-term longitudinal cohorts to study persistence, recovery, risk and resilience.

Co-investigatorCIHR2026TG: The CDN Cannabis/Brain Health Cons.-Pops with rare/complex clinical contexts

Principal investigators: Castellanos Ryan, Natalie; Chadi, Nicholas; Bellec, Pierre; Lippé, Sarah; Orri, Massimiliano

Keywords: Cannabis; Early Onset; Mental Health; Neurocognition; Sex And Gender; Sexual Diversity

$2,399,100

Early Life to Love Life: Gene-Environment Pathways to Adult Couple Relationships

Co-investigatorSSHRC2025Insight Grants

Principal investigators: Brendgen, R. Mara

$380,981

Aggregators for rich datasets: from foundations to applications

Co-investigatorSSHRC2024Insight Grants

Principal investigators: Horan, Sean M.

Keywords: decision theory; social choice; statistics

$25,627

Se développer, entre adversité et résilience : une étude des fonctions exécutives et de leur rôle chez les jeunes en contexte d'adversité

Co-investigatorSSHRC2024Insight Grants

Principal investigators: Matte-Landry, Alexandra

Keywords: Adversité; Fonctions exécutives; Enfants et adolescents; Difficultés exécutives; Résilience

$52,019

Création d'un guide en ligne pour la mise en oeuvre du programme DIRE-MENTOR destiné aux milieux scolaires

Co-investigatorSSHRC2024Partnership Engage Grants

Principal investigators: Bowen, François

Keywords: Prévention de la violence et soutien à la socialisation des élèves; Mise oeuvre de pratiques préventives et promotionnelles à l'école; Soutien au développement professionnel du personnel scolaire; Soutien aux directions des écoles

$24,778

Life History Research Society Conference 2024

Principal investigatorSSHRC2023Connection Grants

Principal investigators: Ouellet-Morin, Isabelle

Keywords: International conference; event; interdisciplinary research; knowledge transfer; collaboration

$49,237

Le bien-être à l'école par la nature

Co-investigatorSSHRC2023Connection Grants

Principal investigators: Geoffroy, Marie-Claude

Keywords: bien-être; réussite éducative; enseignement en nature; enfants; enseignant.e.s

$87,010

Readiness for Parenthood: An Investigation of its Developmental and Social Determinants in Two Samples of Young Adults followed since Infancy

Co-investigatorSSHRC2022Insight Grants

Principal investigators: Petitclerc, Amélie

Keywords: readiness for parenthood; parenting; intergenerational transmission; early risk factors; childhood and adolescent trajectories; social and economic promotive factors

$70,488

The Burden of Harsh Parenting on Socioemotional and Behavioral Problems: the Role of Chronic Cortisol secretion in the Preschool Years.

Nominated PICIHR2022Project Grant

Principal investigators: Ouellet-Morin, Isabelle

Keywords: Child (Reciprocal) Effects; Chronic Stress; Cortisol; Early Childhood; Early-Life Stress; Harsh And Coercive Parenting; Longitudinal Studies; Mediation And Moderation Models; Socioemotional And Behavioral Problems; Transactional Models

$481,952

Canada Research Chair - Tier 2

Nominated PICIHR2022Canada Research Chairs - CIHR Funded - Tier 2

Principal investigators: Ouellet-Morin, Isabelle

Keywords: Crc

$500,000

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Paper to mentionMention their SSHRC grant from 2023

Subject: Prospective PhD student: Longitudinal Study Dear Professor Ouellet-Morin, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] I also saw your SSHRC-funded project "Life History Research Society Conference 2024" (2023), and I would be glad to contribute to work in that direction. Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

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Isabelle Ouellet-Morin

Research

Latest papers

Latest funding

Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.

Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.

Mental Health Service Use in Sexually and Gender Diverse Youths and Cisgender Heterosexual Youths.

Mental health status of sexually diverse youth at age 23: Cross-sectional data from the Quebec Longitudinal Study of Child Development.

Prevalence and mental health correlates of non-suicidal self-injury in elementary school children.

Prenatal phenol exposure and child behaviour: insights into the hypothalamic-pituitary-adrenal axis from two prospective mother-child cohorts.

Bidirectional Associations Between Civic Engagement, Depressive Symptoms, and Suicidality in Youth: A Population-Based Study.

Deciphering the mediating role of childhood maltreatment in the association between genetic risk and developmental trajectories of school-age reactive and proactive aggression.

Prediction of depressive symptoms in young adults by polygenic score and childhood maltreatment: Results from a population-based birth cohort.

Cannabis use-related harms on neurocognition and mental health: harnessing long-term longitudinal cohorts to study persistence, recovery, risk and resilience.

Early Life to Love Life: Gene-Environment Pathways to Adult Couple Relationships

Aggregators for rich datasets: from foundations to applications

Se développer, entre adversité et résilience : une étude des fonctions exécutives et de leur rôle chez les jeunes en contexte d'adversité

Création d'un guide en ligne pour la mise en oeuvre du programme DIRE-MENTOR destiné aux milieux scolaires

Life History Research Society Conference 2024

Le bien-être à l'école par la nature

Readiness for Parenthood: An Investigation of its Developmental and Social Determinants in Two Samples of Young Adults followed since Infancy

The Burden of Harsh Parenting on Socioemotional and Behavioral Problems: the Role of Chronic Cortisol secretion in the Preschool Years.

Canada Research Chair - Tier 2

Frequent collaborators

Isabelle Ouellet-Morin

Isabelle Ouellet-Morin

Michel Boivin

Marie-Claude Geoffroy

Frank Vitaro

Massimiliano Orri

Massimiliano Orri

Sonia Lupien

Gustavo Turecki

Jean-Philippe Gouin

Jean-Philippe Gouin

Nicholas Chadi

Natalie Castellanos Ryan

Natalie Castellanos Ryan

Rachel Langevin

Richard Tremblay

Ian Colman

Vincent Paquin

Frederick Philippe

Guy Rouleau

Philippe Robaey

Lise Gauvin

Steve Geoffrion

Michel Boivin