John Krzeczkowski

Research

Behavioural Flexibility Cardioautonimic Balance Child Development Executive Function Fnirs Neurodevelopment Obesity Prenatal Programming

Latest papers

Barriers and Facilitators of Psychosocial Treatment Participation for Youth With Depression and Anxiety: A Scoping Review.
Clinical child psychology and psychiatry · 2026
The Association Between Pregnancy Complications and Long-term Maternal Cardiometabolic Health in the MIREC Cohort Study.
The Journal of clinical endocrinology and metabolism · 2025
Effects of infant fear on changes in infant heart rate variability after maternal postpartum depression treatment.
Development and Psychopathology · 2025

All 7 publications

Latest funding

Obesity during pregnancy and deficits in offspring neurobehavioural flexibility: Testing the CONFINE model
CIHR · 2024 · Nominated PI
$726,750
Identifying epigenetic biomarkers of the response to cognitive behavioural therapy in mothers/birthing parents treated for postpartum depression
CIHR · 2023 · Nominated PI
$146,230

All 2 grants and awards

7 publications.

01

Barriers and Facilitators of Psychosocial Treatment Participation for Youth With Depression and Anxiety: A Scoping Review.

Singh AD, Bedard AV, Rodak T, Nexha E, Krzeczkowski J, Plamondon A, Andrade BF

Clinical child psychology and psychiatry2026

DOI: 10.1177/13591045251410332 PMID: 41432603

02

The Association Between Pregnancy Complications and Long-term Maternal Cardiometabolic Health in the MIREC Cohort Study.

Fisher M, Smith G, Potter BK, Arbuckle TE, Little J, Weiler H, Morisset AS, Lanphear B, Braun JM, Kumarathasan P, Walker M, Borghese MM, Ashley-Martin J, Shutt R, Dodds L, Bruin JE, Palaniyandi J, Helewa M, Taback S, Massarelli I, Palmert MR, Krzeczkowski J, Fraser WD

The Journal of clinical endocrinology and metabolism2025

DOI: 10.1210/clinem/dgaf041 PMID: 39844354

03

Effects of infant fear on changes in infant heart rate variability after maternal postpartum depression treatment.

Yousefi Kousha K, Krzeczkowski J, Schmidt L, Van Lieshout RJ

Development and Psychopathology2025

DOI: 10.1017/s0954579425100527

04

Concentrations and predictors of select nutrients in Canadian human milk samples from the Maternal-Infant Research on Environmental Chemicals pregnancy cohort.

Hopperton KE, O'Neill E, Chakrabarti S, Stanton M, Parnel S, Arbuckle TE, Ashley-Martin J, Bertinato J, Bouchard MF, Borghese MM, Brooks S, Cockell K, Dabeka R, Joung MJ, Lanphear BP, Lapointe P, MacFarlane AJ, MacPherson S, Krzeczkowski J, Rawn DFK, von Dadelszen P, Weiler HA, Xiao CW, Fisher M

The American journal of clinical nutrition2024

DOI: 10.1016/j.ajcnut.2024.09.029 PMID: 39362363

05

Systematic Integration of Multi-Informant Externalizing Ratings in Clinical Settings.

Aitken M, Plamondon A, Krzeczkowski J, Kil H, Andrade BF

Research on child and adolescent psychopathology2024

DOI: 10.1007/s10802-023-01119-z PMID: 37787879

06

Determinants of socioemotional and behavioral well‐being among First Nations children living off‐reserve in Canada: A cross‐sectional study

Owais S, Ospina MB, Ford CD, Hill T, Lai J, Krzeczkowski J, Burack JA, Van Lieshout RJ

Child Development20244 citations

DOI: 10.1111/cdev.14192

07

Early neurodevelopment in the offspring of women enrolled in a randomized controlled trial assessing the effectiveness of a nutrition + exercise intervention on the cognitive development of 12-month-olds

Mortaji N, Krzeczkowski J, Atkinson S, Amani B, Schmidt LA, Van Lieshout RJ

Journal of Developmental Origins of Health and Disease20237 citations

DOI: 10.1017/s204017442300020x

Obesity during pregnancy and deficits in offspring neurobehavioural flexibility: Testing the CONFINE model

Nominated PICIHR2024Project Grant

Principal investigators: Krzeczkowski, John E

Keywords: Behavioural Flexibility; Cardioautonimic Balance; Child Development; Executive Function; Fnirs; Neurodevelopment; Obesity; Prenatal Programming

$726,750

Identifying epigenetic biomarkers of the response to cognitive behavioural therapy in mothers/birthing parents treated for postpartum depression

Nominated PICIHR2023Catalyst Grant: NWHRI: Innovation Fund - Biomedical Discovery Grants

Principal investigators: Krzeczkowski, John E

Keywords: Biomarker; Cognitive Behavioural Therapy; Epigenetics; Genome Wide Dna Methylation; Mothers/Birthing Parents; Postpartum Depression; Predicting Treatment Response

$146,230

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

Frequent collaborators

Pediatrics
Health Sciences
Psychiatry & Behavioural Neurosciences
Psychology, Neuroscience & Behaviour
Biology
School of Nursing
Biochemistry, Microbiology and Immunology
Other

Applying for

Paper to mentionMention their CIHR grant from 2024

Subject: Prospective PhD student: Behavioural Flexibility Dear Professor Krzeczkowski, 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 "Barriers and Facilitators of Psychosocial Treatment Participation for Youth With Depression and Anxiety: A Scoping Review." (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 CIHR-funded project "Obesity during pregnancy and deficits in offspring neurobehavioural flexibility: Testing the CONFINE model" (2024), 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]