Faculty profile

Natalie Ryan

Back to faculty

Associate ProfessorÉcole de psychoéducationUniversité de Montréal

Natalie Ryan

Associate Professor

École de psychoéducation

Université de Montréal

Montreal, Quebec, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
16 publications in the last five years, latest in 2026.
Senior (last) author on 7 recent papers, a sign of leading a research group.

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

Academic metrics

Publications

127

Citations

Collaborators

Publications by year

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

Profiles and links

University Profile Google Scholar ResearchGate iDORCID OpenAlex

Find them onX · LinkedIn · Bluesky · YouTube

Signals and details

Research

Read how they describe their research on their Université de Montréal profile.

Adolescence Transition à l'âge adulte Développement cognitif Évaluation de programmes Personnalité Impulsivité Méthodes quantitatives Méthodes psychométriques Prévention Psychopathologie développementale Tempérament Trajectoires développementales

Latest papers

Sexual diversity, adolescent mental health, and adult cannabis use: Longitudinal associations through cannabis use motives.
Addictive behaviors · 2026 · senior author
Development of Substance Use Problems: The Role of Adolescent Cannabis Age of Onset, Frequency of Use and Childhood Risk Factors.
Research on child and adolescent psychopathology · 2026 · senior author
Reimagining the Biopsychosocial Model: Transdiagnostic Factors to Precision Psychiatry.
Biological psychiatry global open science · 2026

All 18 publications

18 publications.

Sexual diversity, adolescent mental health, and adult cannabis use: Longitudinal associations through cannabis use motives.

London-Nadeau K, Pocuca N, Rioux C, Chadi N, Côté SM, Fallu JS, Geoffroy MC, Huynh C, Juster RP, Séguin JR, Castellanos-Ryan N

Addictive behaviors20264 citationsSenior authorOpen Access

DOI: 10.1016/j.addbeh.2025.108530 PMID: 41175609

Development of Substance Use Problems: The Role of Adolescent Cannabis Age of Onset, Frequency of Use and Childhood Risk Factors.

Hamaoui J, Acland E, Vitaro F, Fallu JS, Parent S, Simard C, Boivin M, Côté S, Geoffroy MC, Séguin JR, Castellanos-Ryan N

Research on child and adolescent psychopathology20262 citationsSenior author

DOI: 10.1007/s10802-025-01404-z PMID: 41483051

Reimagining the Biopsychosocial Model: Transdiagnostic Factors to Precision Psychiatry.

Nikolic M, Caswell CB, Prada NP, Iqbal M, Cox SML, Jaworska N, Castellanos-Ryan N, Vitaro F, Brendgen M, Parent S, Boivin M, Côté S, Tremblay RE, Séguin JR, Leyton M

Biological psychiatry global open science20261 citationsOpen Access

DOI: 10.1016/j.bpsgos.2026.100734 PMID: 42293407

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 psychiatrie20261 citationsOpen Access

DOI: 10.1177/07067437261442420 PMID: 41983935

Breastfeeding May Provide On-the-Job Training of Self-Regulation:Longitudinal Links with Inhibitory Control

Sophie Jacques, Sophie Parent, Natalie Castellanos-Ryan, Jean Richard Séguin, Philip David Zelazo

SSRN Electronic Journal2026Open Access

DOI: 10.2139/ssrn.6308207

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

Parent and child mental health and behavior changes following the first wave of the COVID-19 pandemic: a longitudinal, prospective study in Canada

M. El-Hourani, S. Chaput-Langlois, E. Acland, E. Morin, M. Larose, G. Vanasse, N. Pocuca, A. Legendre, Sophie Parent, I. Archambault, C. M. Herba, S. J. Lupien, M. Boivin, Jean Richard Séguin, Natalie Castellanos-Ryan

Current Psychology2026Senior author

DOI: 10.1007/s12144-026-09566-9

Predictors and clinically significant outcomes of multi-dimensional latent trajectory classes of adolescent mental health symptoms

Patricia Conrod, Samantha Lynch, Natalie Castellanos-Ryan

PsyArXiv (OSF Preprints)2026Senior authorOpen Access

Predictors and clinically significant outcomes of multi-dimensional latent trajectory classes of adolescent mental health symptoms

Samantha Jane Lynch, Natalie Castellanos-Ryan, Patricia Conrod

2026Open Access

DOI: 10.31234/osf.io/ed5nq_v1

Adverse childhood experiences and substance use in pregnancy: Examining substance-specific associations.

Charlie Rioux, Dana Watts, Catherine Lebel, Gerald F. Giesbrecht, Annika R. Farrell, Natalie Castellanos-Ryan, Leslie E. Roos, Christina M. Personette, Lianne Tomfohr-Madsen

Translational Issues in Psychological Science2026

DOI: 10.1037/tps0000517

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

Something wrong or missing on this profile? Suggest a correction

Natalie Ryan

Research

Latest papers

Sexual diversity, adolescent mental health, and adult cannabis use: Longitudinal associations through cannabis use motives.

Development of Substance Use Problems: The Role of Adolescent Cannabis Age of Onset, Frequency of Use and Childhood Risk Factors.

Reimagining the Biopsychosocial Model: Transdiagnostic Factors to Precision Psychiatry.

Breastfeeding May Provide On-the-Job Training of Self-Regulation:Longitudinal Links with Inhibitory Control

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

Parent and child mental health and behavior changes following the first wave of the COVID-19 pandemic: a longitudinal, prospective study in Canada

Predictors and clinically significant outcomes of multi-dimensional latent trajectory classes of adolescent mental health symptoms

Predictors and clinically significant outcomes of multi-dimensional latent trajectory classes of adolescent mental health symptoms

Adverse childhood experiences and substance use in pregnancy: Examining substance-specific associations.

Frequent collaborators

Natalie Castellanos Ryan

Jean Seguin

Sophie Parent

Marie-Claude Geoffroy

Nicholas Chadi

Frank Vitaro

Charlie Rioux

Kira London-Nadeau

Robert Juster

Patricia Conrod

Isabelle Ouellet-Morin

Ian Colman

Sylvana Côté

Massimiliano Orri

Michel Boivin

Roxanne Sicotte

Annie Sansfaçon

Srividya Iyer

Brett Thombs

Marco Leyton

Sonia Lupien