Research
Our clinicians have been actively involved in conducting research studies and publishing books and academic papers. If you would like to learn more about study findings, please click on the links below
​Batista de Carvalho, L., Negreiros, J., & Batistuzzo, M., (book chapter under review). Transtorno Obsessivo Compulsivo: critérios diagnósticos, alterações cognitivas e comportamentais, avaliação neuropsicológica, caso clínico e parâmetros de intervenção.
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Negreiros, J., & Martinez, K. (2022). Getting comfortable with uncertainty for teens: 10 tips to overcome anxiety, fear, and worry. New Harbinger Publications.
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Negreiros, J., Best, J. R., Vallani, T., Belschner, Szymanski, J., & Stewart, S. E. (2022). Obsessive-Compulsive Disorder (OCD) in the school: Parental experiences regarding impacts and disclosure, Journal of Child and Family Studies.
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Vallani, T.,Best, J. R., Selles, R.R., Negreiros, J., ...& Stewart, S. E. (2022). School and parent perspectives on symptomatology in pediatric obsessive-compulsive disorder (OCD), Journal of Obsessive-Compulsive and Related Disorders.
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Jaspers-Fayer, F ... Negreiros, J.(under review). An fMRI study of cognitive planning before and after provoked distress in pediatric obsessive-compulsive disorder, Journal of the American Academy of Child and Adolescent Psychiatry.
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​Selles, R.R., Naqqash, Z., Best, J.R., Franco-Yamin, D., Qiu, S.T., Ferreira, J.S., Deng, X., Hannesdottir, D.K., Oberth, C., Belschner, L., Negreiros, J., Farrell, L.J., & Stewart, S.E. (2021). Effects of treatment setting on outcomes of flexibly-dosed intensive cognitive behavioral therapy for pediatric OCD: A randomized controlled pilot trial. Frontiers in Psychiatry: Child and Adolescent Psychiatry.
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Batistuzzo, M., Negreiros, J., & Fontenelle, L. (2021). Neuropsicologia do Transtorno Obsessivo-Compulsivo. Neuropsicologia dos Transtornos Psiquiatricos, Capitulo 7, Ampla Editora Comercio e Treinamento.
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Negreiros, J., Best, J. R., Franco Yamin, D., Belschner, Lin, S., F, & Stewart, S. E. (2020). Test-based versus parent ratings of executive function in pediatric Obsessive-Compulsive Disorder. Journal of Obsessive-Compulsive and Related Disorders.
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Belschner, L., Lin, S. Y., Franco-Yamin, D., Best, J. R., Edalati, K., McDermid, J., & Stewart, S. E. (2020). Mindfulness-based skills training group for parents of obsessive-compulsive disorder-affected children: A caregiver-focused intervention. Complementary therapies in clinical practice, 39, 101098.
​Negreiros, J., Belschner, L., Joffres, Y., Lin, S., Franco Yamin, D., Selles, R. R., Jaspers-Fayer, F., Miller, L. D., Honer, W. G., Woodward, T. S., & Stewart, S. E. (2019). Neurocognitive risk markers in pediatric Obsessive-Compulsive Disorder. Journal of Clinical Child & Adolescent Psychology.
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Negreiros, J., Selles, R. R., Lin, S., Belschner, L., & Stewart, S. E. (2019).Cognitive behavioral therapy booster treatment in pediatric obsessive-compulsive disorder: A utilization assessment pilot study, Annals of Clinical Psychiatry, 31, 179-191.
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Negreiros, J., Belschner, L., Selles, R. R., Lin, S., & Stewart, S. E.(2018). Academic skills in pediatric obsessive-compulsive disorder: A preliminary study, Annals of Clinical Psychiatry,30,185-195.
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Selles, R. R., Belschner, L., Negreiros, J., Schubert, D., Lin, S., … Stewart, S. E.(2018). Family-based cognitive behavioral therapy for pediatric obsessive-compulsive disorder: Global outcomes and predictors of improvement, Psychiatry Research, 260,116-122.
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Jaspers-Fayer, F., Negreiros, J., Lin Yao, S., Belschner, L., & Stewart, S. E.(2017). A functional MRI case study of planning in monozygotic twins discordant for obsessive-compulsive disorder. Journal of Clinical Psychiatry,78.
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Stewart, S. E., Negreiros, J., Belschner, L., & Lin, S. (2016). Neurocognition in pediatric obsessive-compulsive disorder (OCD): Clinical impacts and future considerations. American Academy of Child and Adolescent Psychiatry, 55(10), S291.​
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Negreiros, J., & Miller, L. D.(2014). The role of parenting in childhood anxiety: Etiological factors and treatment implications. Clinical Psychology: Science and Practice, 21(1),3-17.
Negreiros, J., & Miller, L. D.(2014). Integrating school-based family counselling into school psychology practice. British Journal of Education, Society & Behavioural Science, 4(7),883-896.
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Ford, L., Kozey, M., & Negreiros, J.(2012). Cognitive assessment in early childhood: Theoretical and practice perspectives. D. P. Flanagan & P. L. Harrison (Eds.), Contemporary intellectual assessment: Theories, tests, and issues, Third edition (pp.585-622). New York: Guildford Press.
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Negreiros, J.(2011). Children’s perspectives of safety in their neighbourhood. The Community Psychologist newsletter, 44,41-43.
Ford, L., Swart, S., Negreiros, J., Lacroix, S., & McGrew, K. F.(2010). Use of the Woodcock-Johnson III NU Tests of Cognitive Abilities and Tests of Achievement with Canadian populations (Woodcock-Johnson III Assessment Service Bulletin No. 12). Rolling Meadows, IL: Riverside Publishing.
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Negreiros, J., & Ford, L.(2009). Teacher training with the Early Development Instrument. In J. Schroader (Ed.), Creating communities for young children. A toolkit for change (pp.25-32). Vancouver, BC: Human Early Learning Partnership.
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Selles, R. R., Park, J., Ellerhemp, H., & Negreiros, J., (2019). Life outside OCD: Maximizing your enjoyable moments. Workshop presented at IOCDF, Austin, TX.
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McGuire, J., Park, J., Selles, R. R., Wu, M., & Negreiros, J. (2019). Overcoming barriers to effective exposures. Workshop presented at IOCDF, Austin, TX.
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Negreiros, J., Belschner, L., Joffres, Y., Lin, S., Franco Yamin, D., Best, J. R. Selles, R. R., Jaspers-Fayer, F., Miller, L. D., Honer, W. G., & Stewart, S. E. (2019). Neurocognitive heritable trait and state markers in pediatric Obsessive-Compulsive Disorder. Poster presented at the ADAA annual conference, Chicago, IL.
Negreiros, J., Selles, R. R., Lin, S., Belschner, L., & Stewart, S. E. (2018). Needs assessment for booster sessions. Poster presented at the annual IOCDF conference, Washington, DC.
Jaspers-Fayer, F., Lin, S., Lim, R., Belschner, L., Chan, E., Negreiros, J., Lang, D., Herean, M., & Stewart, S. E. (2017). The influence of symptom provocation on executive function in pediatric Obsessive-Compulsive Disorder (OCD). Poster presented at the Annual Trainee Research Forum Poster Presentation at the BC Children’s Hospital Research Institute, Vancouver, BC.
Schuberth, D., Belschner, L., Selles, R. R., Negreiros, J., Lin, S.Y., Gregorowski, N., McKenny, K., Simpson, A., & Stewart, S.E. (2017). Parents need help too: Benefits of family-based group CBT for pediatric OCD. Poster presented at the Brain, Behaviour & Development Theme Research Day, Vancouver, BC.
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Negreiros, J., & Stewart, S. E. (2017). Potential neurocognitive deficits in pediatric OCD. Presentation at the UBC Psychiatry Research Day annual meeting, Vancouver, BC.
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Negreiros, J., Belschner, L., Lin, S., & Stewart, S. E. (2017). Academic functioning in pediatric OCD. Poster presented at the annual meeting of ADAA, San Francisco, CA.
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Negreiros, J., Belschner, L., Lin, S., & Stewart, S. E. (2017). Academic functioning in pediatric OCD. Poster presented at the annual meeting of ADAA, San Francisco, CA.
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Negreiros, J. (2017). Neurocognitive deficits in pediatric obsessive-compulsive disorder (OCD). In S. E. Stewart (Chair), Exploring pediatric obsessive-compulsive disorder by pairing study data with clinical application discussions. Symposium presented at the annual meeting of ADAA, San Francisco, CA.
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Belschner, L., Selles, R. R., Negreiros, J., Lin, S., Schubert, D., Gregorowski, N., McKenney, K., Simpson, A., & Stewart, S. E. (2016). Global outcomes of group family-based cognitive behavioral therapy for pediatric obsessive-compulsive disorder. Poster presented at the M.I.N.D. Institute Research Day, Vancouver, BC.
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Stewart, S. E., Negreiros, J., Belschner, L., & Lin, S. (2016). Neurocognition in pediatric obsessive-compulsive disorder (OCD): Clinical impacts and future considerations. Symposium presented at the American Academy of Child and Adolescent Psychiatry (AACAP) 63rd Annual Meeting in New York, NY.
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Jaspers-Fayer, F., Lin, S.Y., Belschner, L., Negreiros, J., & Stewart, S.E. (2016). Design and rationale for a functional MRI study of symptom provocation in pediatric obsessive-compulsive disorder. Poster presented at the BCCHR Trainee Research Forum, Vancouver, Canada.
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Negreiros, J., Belschner, L., Jaspers-Fayer, F., & Stewart, S. E. (2016). Executive function deficit contrasts between direct and indirect measurement in pediatric OCD. Poster presented at the International OCD Foundation (IOCDF) annual meeting, Chicago, IL.
Chan, E., Hu, Y. P., Hezel, D., Pearl Ben-Joseph, E., Geller, D., Ellwyn, R., Bleakley, C., Loh, A., Negreiros, J., Pauls, D., & Stewart, S. E. (2015). Family functioning impairment in childhood-onset Obsessive-Compulsive Disorder. Poster presented at the Canadian Psychiatric Association’s 65th Annual Conference, Vancouver, BC.
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Negreiros, J., Chan, E., Belschner, L., Miller, L. D., & Stewart, S. E. (2015). Executive functioning impairment on daily functioning of OCD-affected youth. Poster presented at the UBC Psychiatry Research Day meeting, Vancouver, BC.
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Negreiros, J., Chan, E., Miller, L. D., & Stewart, S. E. (2015). Executive function and its impact on daily functioning of OCD-affected youth. Poster presented at the annual meeting of the ADAA, Miami, FL.
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Negreiros, J., Miller, L. D., & Stewart, S. E. (2014). Neurocognitive functioning in children with obsessive-compulsive disorder, at-risk siblings, and healthy controls. Poster presented at the annual meeting of the Association for Behavioral and Cognitive Therapies (ABCT), Philadelphia, PA.
Negreiros, J., Miller, L. D., & Stewart, S. E. (2014). Executive dysfunction in OCD-affected youth and their siblings: Searching for a cognitive marker. Poster presented at the UBC Psychiatry Research Day meeting, Vancouver, BC.
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Negreiros, J., Miller, L. D., & Stewart, S. E. (2014). Neurocognition in pediatric obsessive-compulsive disorder. Poster presented at the annual meeting of the Canadian Psychological Association (CPA), Vancouver, BC.
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Negreiros, J., & Miller, L. D. (2014). Parenting influence in childhood anxiety. Poster presented at CPA, Vancouver, BC.
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Negreiros, J., Stewart, S. E., & Miller, L. D. (2014). Neurocognitive functioning in children with obsessive-compulsive disorder, at-risk siblings, and healthy controls. Poster presented at ADAA, Chicago, IL.
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Negreiros, J., S. E. Stewart, & Miller, L. D. (2013). A study of neurocognition in pediatric OCD, at-risk siblings, and healthy controls. In S. E. Stewart (Chair), Neural and Genetic Findings in Pediatric Obsessive-Compulsive Disorder. Symposium presented at the Canadian Academy of Child and Adolescent Psychiatry, Vancouver, BC.
Percy, A., Negreiros, J., Kelm, J., Shumka, E., Trach, J., & Miller, L. D. (2013). Teaching teachers strategies to support anxious children in the classroom. Mini-skills workshop presented at the annual meeting of the National Association of School Psychologists (NASP), Seattle, WA.
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Negreiros, J., & Miller, L. D. (2012). Integrating school-based family counselling into school psychology practice. Poster presented at CPA, Halifax, NS.
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Ford, L., Negreiros, J., Biernacki, P., Felding, A., & Fleming, E. (2012). Building a positive relationship with teachers, parents, and students through effective communication of assessment findings. Roundtable presented at CPA, Halifax, NS.
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Negreiros, J., Kozey, M., & Ford, L. (2012). Review and critique of the most widely used early childhood cognitive assessment measures. Poster presented at CPA, Halifax, NS.
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Miller, L. D., Turner, C., Waechtler, V., Baker, H., Fleming, E., Hamill, K., Negreiros, J., Shumka, E., & Yu, C. M. (2012). The graduate student in context: Working in an active counselling psychology research lab. Session presented at the annual meeting of the Counselling Psychology Research, Langley, BC.
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Negreiros, J., & Goldstein, M. (2011). Play and drawings: Expressions of child development. Workshop presented at the 9th annual Early Childhood Assessment (ECA) Conference, Vancouver, BC.
Negreiros, J (2011). Children’s view of safety in their community. Poster presented at the Explorations & Education conference, Vancouver, BC.
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Negreiros, J., & Shim, V. (2011). Safety in the community: Children’s perspectives. Poster presented at the annual meeting of the California Association of School Psychologists (CASP), Costa Mesa, CA.
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Negreiros, J.(2011). Children’s perspectives of safety in their neighbourhood. Poster presented at NASP, San Francisco, CA.
Ford, L., Merkel, C., & Negreiros, J. (2010). How are early motor development, well-being and cognitive assessment connected? Workshop presented at ECA, Vancouver, BC.
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Percy, A., Negreiros, J., & Shim, V. (2010). Children's constructions of their neighbourhood and neighbourhood safety. In L. Ford (Chair), Exploring neighbourhood and community factors that promote early learning and development. Symposium presented at CPA, Winnipeg, SK.
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Miller, E.,Negreiros, J., & Kishor, N. (2010). The self-esteem of children: Academic achievement and other predictors. Poster presented at NASP, Chicago, IL.
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Percy, A.,Negreiros, J., & Ford, L. (2010). Examining cognitive assessment training in Canadian schools and clinical psychology programs. Poster presented CPA, Winnipeg, SK.
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Negreiros, J.(2009). Children’s perspectives of their neighbourhood environment. In L. Ford (Chair), Developing skills in understanding neighbourhood/community factors that promote school readiness. Mini-skills workshop presented at NASP, Boston, MA.
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Ford, L., Negreiros, J., Gillespie, L. et al. (2009). Understanding neighbourhood and community factors that promote early development. Symposium presented at ECA, Vancouver, BC.
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Ford, L., Negreiros, J., Gillespie, L., Parker, J., & Wallis, J. (2009). Developing skills in understanding neighbourhood/community factors that promote school readiness. Mini-skills workshop presented at NASP, Boston, MA.
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Ford, L., Kozey, M., Negreiros, J., & Wallis, J. (2009). Understanding early childhood assessment tools from a CHC perspective. Poster presented at NASP, Boston, MA.
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Parker, J., Gillespie, L., Negreiros, J., Wallis, J., & Ford, L. (2009). Community asset mapping: Examining community factors promoting healthy child development. Poster presented at NASP, Boston, MA.
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Ford, L., McKee, W., Negreiros, J. et al. (2008). Life on the point: Update on the school psychology program. Symposium presented at BCASP, Vancouver, BC.
Conference Presentations
Training, Workshops and Other Activities
​UPCOMING Workshop for Educational and Mental Health Professionals on November 8, 2024: "OCD in Schools" to be presented at the BC Association of School Psychologists (BCASP), Vancouver.
​OCD Public Lecture and Discussion: "OCD in Youth" at the BC Children's Hospital Chan Center (February 2024).
​Workshop, "Anxiety: From psycho-educational assessment to intervention," presented to school psychologists at the BC Association of School Psychologists (BCASP), Vancouver (November 2023)
Workshop, "Family accommodation and helping my child transition to the summer break," presented to parents at Pleasantside Elementary, Port Moody (June 2023)
​Workshop, "OCD in Schools," presented to educators at the Vancouver School Board (April 2023)
​Keynote Speaker, "Anxiety in Schools," presented to educators from the Gulf Islands school district (February 2023)
Workshop, "Practical and evidence-based strategies to help my child cope with anxiety," presented to parents and educators Pleasantside Elementary, Port Moody (November 2022)
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Development and Training of MAPE program, "MAP for Educators [MAPE] Anxiety Canada," presented to Saskatchewan educators via Zoom (March 2022)
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Workshop, "Beyond traditional CBT strategies to help anxious students thrive," presented to the Gulf Islands Schools via Zoom (February 2022)
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Guest Lecture Speaker, "Anxiety 101", presented to graduate students taking the UBC EPSE 507 Psychopathology course via Zoom (February 2022)
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​Negreiros, J.(2022). Helping educators best support anxious students. Keynote speaker at the Education Assitant Professional Development Day, Southeast Kootenay, Zoom.
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Negreiros, J. (2022). Understanding a psycho-educational assessment report. Guest speaker at the CAP research seminar to medicine residents at the BC Children's Hospital, Zoom, BC.
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Negreiros, J. (2021). ADHD or OCD: Comorbidities and telling them apart. Interview recorded for the ADHD What Now? Youtube Channel.
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Negreiros, J. (2021). What to do when I am anxious? Video recording for students across BC to be posted at the Provincial Outreach Program for Fetal Alcohol Spectrum Disorder(POPFASD)website.
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Negreiros, J. (2021). Anxiety strategies with Dr. Juliana. Monthly consultation provided to the Vancouver School Board, Zoom, BC.
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Negreiros, J. (2021). Helping my child cope with everyday anxiety. Workshop presented to schools the Coquitlam School District, Zoom, BC.
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Negreiros, J. (2021). Understanding anxiety in schools - Parts 1 & 2. Workshop presented to the Catholic Independent Schools Vancouver Archdiocese (CISVA), Zoom, BC.
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Negreiros, J. (2021). When anxiety goes to school. Workshop presented to the Gulf Islands Schools, Zoom, BC.
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Negreiros, J. (2021). How to support parents and children's mental health during the pandemic. Interview provided to Humber News, Toronto.
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Negreiros, J. (2021). When anxiety goes to school. Workshop presented to the Vancouver School Board, Zoom, BC.
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Negreiros, J. (2021). How to best support anxious children. Workshop presented at YMCA Child Care Resource & Referral, Zoom, BC.
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Negreiros, J. (2020). Delving deeper into anxiety and FASD. Training provided to the POPFASD District Partner Meeting, Zoom, BC.
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Negreiros, J. (2020). EASE Fall training. Training presented to new EASE trainers, Zoom, BC.
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Negreiros, J. (2019). Working with students with FASD and anxiety. Training provided to the POPFASD District Partner Meeting, Richmond, BC.
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Negreiros, J. (2019). Knowledge, prevention, and intervention for anxious students: EASE Fall training. Training presented to new EASE trainers, Vancouver, BC.
Negreiros, J. (2019). Anxiety in schools: Knowledge and strategies. Workshop presented at Credo Christian High School, Langley, BC.
Negreiros, J.et al. (2019). Pediatric Obsessive-Compulsive Disorder cognitive-behaviour therapy Training. Training presented to the Ministry of Child and Family Development staff in Victoria, BC.
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Negreiros, J. (2019). Anxiety in the early years. Workshop presented at the Early Childhood Development Round Table, Burnaby, BC.
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Negreiros, J. (2018). Supporting preschoolers with anxiety. Workshop presented at the YMCA Childcare Resource and Referral, Coquitlam, BC.
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Negreiros, J. (2018). Hands-on strategies to support anxious students. Workshop presented at Burnaby South Secondary, Burnaby, BC.
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Negreiros, J. (2018). How to best support anxious students. Workshop presented at the Maple Ridge School District, Maple Ridge, BC.
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Negreiros, J. (2018) OCD in schools. Panellist at the "OCD Awareness Week" event at the BC Children's Hospital, Vancouver, BC
Negreiros, J., Shumka, E., & Law, J., (2018). EASE train-the-trainer workshop. Two-day training provided to educators who are training teachers across British Columbia on classroom-based strategies to manage anxiety in k-grade 7 students.
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Negreiros, J. (2018). Classroom interventions to support anxious students. Two-day workshop presented at the Frank Spragins High School, Fort McMurray, AB.
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Negreiros, J. (2018). Anxiety: Getting students in school. Full-day workshop presented at the Surrey School District, Surrey, BC.
Negreiros, J. (2018). Classroom interventions to support anxious students. Workshop presented at the Burnaby School District, Burnaby, BC.
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Negreiros, J. (2018). Pediatric OCD in the Provincial OCD Program. Guest speaker at the Projeto Transtornos do Espectro Obsessivo Compulsivo (Protoc) in Sao Paulo, SP, Brazil.
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Negreiros, J. (2017). Translating OCD brain-behaviour research into clinical practice. Blog posted on ADAA website.
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Negreiros, J., Chacon, P. & de Mathis, A. (2017). “Brazilian way of doing things” as a potential barrier to treating OCD. Blog posted on ADAA website.
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Negreiros, J. (2017). Neurocognitive functioning in pediatric OCD. Webinar presented at the ADAA Child and Adolescent SIG Peer Consultation.
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Stewart, S. E. & Negreiros, J. (2017). Translation studies of pediatric OCD. Presentation at the VU University Medical Center, Amsterdam, Netherlands.
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Stewart, S. E. & Negreiros, J. (2017). Clinical studies of pediatric OCD. Presentation at the University of Gothenburg, Gothenburg, Sweden.
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Stewart, S. E. & Negreiros, J. (2017). Multimodal examination of pediatric OCD. Presentation at the Aarhus University Hospital, Aarhus, Denmark.
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Negreiros, J. (2017). Identifying and supporting students with OCD in schools. Handout posted on AnxietyBC website.
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Negreiros, J. (2017). Resources for OCD. Handout posted on AnxietyBC website.
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Negreiros, J. (2017). Managing anxiety in the classroom. Workshop presented at the Surrey School District, Surrey, BC.
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Negreiros, J. (2016). A little OCD? Guest speaker at a panel sponsored by AnxietyBC, Chan Center and Peter Wall, Vancouver, BC.
Negreiros, J. (2015). Treatment for pediatric OCD. Workshop provided to mental health clinicians from the Ministry of Children and Family Development (MCFD) across BC, Surrey, BC.
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Negreiros, J. (2015). OCD in schools. Guest speaker at the OCD Awareness Day, BCCH, Vancouver, BC.
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Negreiros, J. (2015). Treatment for youth with OCD. Guest speaker at the Psychologists' Peer Consultation and Continuing Education meeting, Surrey, BC.
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Negreiros, J. (2014). Treatment for pediatric OCD. Guest speaker at UBC, course EPSE 552: School-Based Interventions, Vancouver, BC.
Pollard, A., Stewart, S. E., Negreiros, J. et al. (2014). Let’s talk about OCD in schools. Panel presented at the “Let’s talk about OCD in schools” workshop, Vancouver, BC.
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Negreiros, J., Percy, A., Kelm, J., Shumka, E., Trach, J., & Miller, L. D (2013). Classroom strategies to support children with anxiety. Workshop provided to teachers at Rosemary Heights Elementary school, Surrey, BC.
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Negreiros, J. (2011). Drawings and child development. Guest speaker at the Summer Institute, course: ECED 380/ 96A, Vancouver, BC.
Negreiros, J. (2011). Results of a study conducted on children’s perspectives of safety in their neighbourhood. Paper presented at the Human Early Learning Partnership retreat meeting, Vancouver, BC.
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Negreiros, J. & Husain, S. (2010). Cattell-Horn-Carroll (CHC) theory as a framework and the use of cross battery assessment. Workshop presented at the monthly meeting of School Psychologists at the Surrey School District, Surrey, BC.
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Negreiros, J. (2010). Differential Abilities Scales, Second Edition (DAS-II). Workshop presented at the monthly meeting of School Psychologists at the Surrey School District, Surrey, BC.
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Negreiros, J. (2010). Dynamic Indicators of Basic Early Literacy Skills (DIBELS). Training provided to Learning Support Team at Surrey Traditional school, Surrey, BC.
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Negreiros, J. & Husain, S. (2008). Dynamic Indicators of Basic Early Literacy Skills (DIBELS). Training provided to the Learning Assistance Center at St. Joseph’s Elementary school, Vancouver, BC.