Postdoctorat, Université du Québec à Montréal, Canada (Janvier 2025 – Juillet 2025)

Postdoctorat, Université McGill, Montréal, Canada (Mars 2023 – Fevrier 2025)

Ph.D en psychologie clinique, Université de Fribourg, Suisse et CHU St Justine, Montréal, Canada (Septembre 2018 – Octobre 2022)

Diploma of Advanced Studies in University Didactics, Centre de didactique universitaire, Université de Fribourg, Suisse (Septembre 2018 – Mars 2020)

Diplôme de Professeur de l’Enseignement Normal Deuxième Grade, Higher Teacher Training college Bambili, Université de Bamenda, Cameroun (Octobre 2011 – Mars 2014)

Projets de recherche en cours et subventions

• Cycle intergénérationnel des violences familiales et intimes : Étude portant sur trois générations (volet québécois). Projet financé par les fonds RETRANCHE.
• Intergenerational cycles of intimate partner violence in Switzerland: Insights from a three generations assessment study. (volet suisse). Projet financé par le Fonds National Suisse (12 mois, CHF 109’801 équivalent à 174’189 $).
• Adaptation du programme de prévention de la violence Étincelles au Cameroun : Analyse des besoins, financé par la Chaire de recherche du Canada sur les traumas interpersonnels et la résilience.
• PROJET TUMAINI, financé par Affaire Mondiale Canada, qui vise à renforcer les capacités des établissements de santé en République démocratique du Congo et au Burundi.
• Projets avec la Global Collaboration on Traumatic Stress Study :
  • (Dis)continuité intergénérationnelle de la violence familiale dans les pays non occidentaux
  • Une étude pilote sur la continuité intergénérationnelle de la maltraitance des enfants à travers les cultures (Canada, Allemagne/Suisse allemande, Australie/Nouvelle-Zélande, Turquie et Éthiopie)
  •  Âge au moment du trauma et risque accru de symptômes de stress post-traumatique à travers les cultures.

Projets de recherche terminés

• Projets passés avec la Global Collaboration on Traumatic Stress Study :
  • L’étude internationale des normes parentales à travers les cultures (Canada, Cameroun, Japon et Allemagne)
  • Maltraitance dans l’enfance et distances interpersonnelles préférées envers les amis et les étrangers chez les adultes (N = 2986) venant de 44 pays.
• Intergenerational cycles of intimate partner violence: Insights from a three generations and mixed method assessment study. Postdoc. Mobility Fellowship financé par le Fonds National Suisse (24 mois, CHF 164’500 équivalent à 238’525 $).
• Early life adversity and psychobiological correlates: A cohort study on monozygotic twins. Doc. Mobility Fellowship financé par le Fonds National Suisse (18 mois, CHF 127’850 équivalent à 185’382 $).
• Intimate partner violence in Cameroon: Psychobiological impacts and correlates in mother-child dyads. Doctoral studies financé par la Confédération Suisse (2018-2021, CHF 69’000 équivalent à 100’050 $).

• Aeby Laura – Études sur l’alimentation et la récompense
• da Conceicao Vanessa – Études sur l’alimentation et la récompense
• Maena Capt – Recherche sur la violence domestique
• Kate Stählin – Études sur l’alimentation et la récompense
• Eleonora Spinedi – Études sur l’alimentation et la récompense
• Adrien Bernardin Kolly – Études sur l’alimentation et la récompense
• Lorena Ramasawmy – Études sur l’alimentation et la récompense

• Ordre des psychologues du Québec – Équivalence en cours
• Global Collaboration on Traumatic Stress (depuis 2019)
• Global Collaboration on Traumatic Stress – Section étudiante (depuis 2024)
• Centre de recherche interdisciplinaire sur les problèmes conjugaux et agression sexuelle (CRIPCAS) – Membre étudiante
• Association de Lutte contre les Violences faites aux Femmes, Cameroun
• Centre de recherche sur l’enfance et la famille (CRFR)
• Comité JEDI (Justice, Équité, Diversité, Inclusion) du CRIPCAS

• Bourse de retour– FNS (2025–2026)
• Bourse de mobilité postdoctorale – FNS (2023–2025)
• ISTSS Underrepresented Scholars Membership Award (2024)
• Prix du 2^e meilleur poster – 11^e Congrès québécois sur la maltraitance (2023)
• Bourse de mobilité doctorale – FNS (2021–2023)
• Bourse doctorale de la Confédération Suisse (2018–2021)
• Trois bourses d’excellence académique – Cameroun (2010–2013)
• Divers financements de voyage et distinctions scientifiques

Articles de revues

Les facteurs d’impact pour l’année de publication sont rapportés ; les facteurs d’impact (FI) ≥ 3 sont en gras.

• Lüönd, A. M., Ayas, G., Bachem, R., Carranza-Neira, J., Eberle, D. J., Fares-Otero, N. E., Oe, M., Olayinka, J. N., Olff, M., Picot, L., Seedat, S., . . .Wadji, D. L., . . . Ceylan, D. (2025). Childhood Maltreatment and Somatic Symptoms in Adulthood: Establishing a New Research Pathway. Neuropsychobiology, 1–15. https://doi.org/10.1159/000543438 IF: 3.0
• Wadji, D. L., & Langevin, R. (2024). Preliminary study of the role of social support in cycles of intimate partner violence. European Journal of Psychotraumatology, 15(1), 2431464. https://doi.org/10.1080/20008066.2024.2431464 IF: 5.0
• Wadji, D. L., Pirro, T., & Langevin, R. (2024). A Systematic Review and Meta-Analysis of the Association between Childhood Exposure to Intimate Partner Violence and Intimate Partner Violence Victimization/Perpetration in Adulthood in Africa. Trauma, Violence, & Abuse, Article 15248380241287144. Advance online publication. https://doi.org/10.1177/15248380241287144  IF: 5.4
• Fares-Otero, N. E., Sharp, T. H., Balle, S. R., Quaatz, S. M., Vieta, E., Åhs, F., Allgaier, A.‑K., Arévalo, A., Bachem, R., Belete, H., Mossie, T. B., Berzengi, A., Capraz, N., Ceylan, D., Dukes, D., Essadek, A., Iqbal, N., Jobson, L., Levy-Gigi, E., . . . , Wadji, D. L.,…, Halligan, S. L. (2024). Social support and (complex) posttraumatic stress symptom severity: Does gender matter? European Journal of Psychotraumatology, 15(1), 2398921. https://doi.org/10.1080/20008066.2024.2398921 IF: 5.0
• Langevin, R., Beaudette, S., Wadji, D. L, Chabake, S. A., Gonzalez, C., Jenkins, D., Kaptan, S. K., Lambert, J., Mossie, T. B., & Spencer, R. (2024). Sex and gender considerations in cross-cultural traumatic stress studies. European Journal of Psychotraumatology, 15(1), 2408194. https://doi.org/10.1080/20008066.2024.2408194 IF: 5.0
• Haim-Nachum, S., Sopp, M. R., Lüönd, A. M., Afzal, N., Åhs, F., Allgaier, A.‑K., Arévalo, A., Asongwe, C., Bachem, R., Balle, S. R., Belete, H., Belete Mossie, T., Berzengi, A., Capraz, N., Ceylan, D., Dukes, D., Essadek, A., Fares-Otero, N. E., Halligan, S. L., . . .,Wadji, D.L., Wamser-Nanney, R., Zabag, R., Spies,G., & Pfaltz, S. M.  (2024). Childhood maltreatment is linked to larger preferred interpersonal distances towards friends and strangers across the globe. Translational Psychiatry, 14(1). https://doi.org/10.1038/s41398-024-02980-2 IF: 5.8
• Bartoli, E., Wadji, D. L., Oe, M., Cheng, P., Martin-Soelch, C., Pfaltz, M. C., & Langevin, R. (2024). Perceived Acceptability of Child Maltreatment as a Moderator of the Association Between Experiences of Child Maltreatment and Post-Traumatic Symptoms: A Cross-Cultural Study. Journal of Interpersonal Violence, 8862605241234348. https://doi.org/10.1177/08862605241234348 IF: 3.363
• Wadji, D. L., Oe, M., Bartoli, E., Martin-Soelch, C., Pfaltz, M. C., & Langevin, R. (2023). How are experiences and acceptability of child maltreatment related to resilience and posttraumatic growth: A cross-cultural study. European Journal of Psychotraumatology Vol 7 2016, ArtID 29099, 14(2), 2264119. https://doi.org/10.1080/20008066.2023.2264119 IF: 5.0
• Wadji, D. L., Oe, M., Cheng, P., Bartoli, E., Martin-Soelch, C., Pfaltz, M. C., & Langevin, R. (2023). Associations between experiences of childhood maltreatment and perceived acceptability of child maltreatment: A cross-cultural and exploratory study. Child Abuse & Neglect, 143, 106270. https://doi.org/10.1016/j.chiabu.2023.106270 IF: 4.863
• Wadji, D. L., Morina, N., Martin-Soelch, C., & Wicky, C. (2023). Methylation of the glucocorticoid receptor gene (NR3C1) in dyads mother-child exposed to intimate partner violence in Cameroon: Association with anxiety symptoms. PloS one, 18(4), e0273602. https://doi.org/10.1371/journal.pone.0273602 IF: 3.752
• Wadji, D. L., Martin-Soelch, C., & Camos, V. (2022). Can working memory account for EMDR efficacy in PTSD? BMC Psychology, 10(1). https://doi.org/10.1186/s40359-022-00951-0 (Acknowledged as the Editor’s choice in BMC Psychology) IF: 3.6
• Wadji, D. L., & Nguimfack, L. (2022). Étiquetage et Identification au Contenu des Étiquettes: Une Étude de Cas des Mineurs Délinquants Incarcérés au Cameroun. European Scientific Journal, ESJ, 18(13), 90. https://doi.org/10.19044/esj.2022.v18n13p90
• Tandon, T., Ledermann, K., Gupta, R., Morina, N., Wadji, D. L., Piccolo, M., & Martin-Soelch, C. (2022). The relationship between behavioural and mood responses to monetary rewards in a sample of students with and without reported pain. Humanities and Social Sciences Communications, 9(1). https://doi.org/10.1057/s41599-022-01044-4
• Pfaltz, M., Halligan, S., Haim-Nachum, S., Sopp, R., Åhs, F., Bachem, R., . . ., Wadji, D.L., Wamser-Nanney, R., Schnyder, U., Seedat, S. (2022). Social Functioning in Individuals Affected by Childhood Maltreatment: Establishing a Research Agenda to Inform Interventions. Psychotherapy and Psychosomatics, 1–14. https://doi.org/10.1159/000523667 IF: 25.62.
• Wadji, D. L., Gaillard, C., Ketcha Wanda, G., Wicky, C., Morina, N., & Martin-Soelch, C. (2021). HPA-axis activity and the moderating effect of self-esteem in the context of intimate partner violence in Cameroon. European journal of psychotraumatology, 12(1),1930897 https://doi.org/10.1080/20008198.2021.1930897 IF: 5.0
• Wadji, D. L.,Tandon, T., Ketcha Wanda, G., Wicky, C., Dentz, A., Hasler, G., Martin-Soelch, C. (2021). Child maltreatment and NR3C1 exon 1F methylation, link with deregulated hypothalamus-pituitary-adrenal axis and psychopathology: A systematic review. Child Abuse & Neglect, 122, 105304. https://doi.org/10.1016/j.chiabu.2021.105304 IF: 4.863
• Wadji, D.L., Ketcha Wanda, G.J.M., Wicky, C., Morina, N., & Martin-Soelch, C. (2020). From the Mother to the Child: The Intergenerational Transmission of Experiences of Violence in Mother–Child Dyads Exposed to Intimate Partner Violence in Cameroon. Journal of Interpersonal Violence, 088626052094814. https://doi.org/10.1177/0886260520948148 IF: 3.363

Travaux en cours

• Wadji, D.L., & Langevin, R. Reflective Functioning in the Intergenerational Continuity of Intimate Partner Violence in Cameroonian Mother-Daughter Dyads (manuscript under review,).
• Wadji, D.L., Nemoda, Z. Martin-Soelch, C &. Wicky, C. Birth weight discordance, gene expression, and DNA methylation: A review of epigenetic twin studies (manuscript under review).
• Wadji, D. L., Pirro, T., & Langevin, R. Intergenerational Continuity of Intimate Partner Violence and Attachment Representations in Cameroonian Children: Findings from a Three-Generation Study (manuscript under review).
• Langevin, R., Kaptan, S. K., Balle, S., Wadji, D. L., Chabake, S. A., & Bergsten, V. Intergenerational (dis)continuity of family violence in non-western countries: A systematic review of prevalence and associated factors (manuscript in preparation).
• Lüönd, A. M.; Ayas, Görkem, and Consortium Childhood Maltreatment and Somatic Symptoms: Protocol for a Systematic Review and Meta-Analysis (manuscript in preparation).
• Jenkins, D., Pirro, T., Chevez, L., Giannouli, V., & Wadji, D.L., The Relationship Between Time of Exposure and Posttraumatic Symptoms: Results from the Global Psychotrauma Screen (manuscript in preparation).

Présentations orales ou affiches scientifiques

• Wadji, D. L.,Langevin, R., & Hébert, M. (2025, March). Évaluation des besoins pour la prévention de la violence dans les relations amoureuses des adolescent∙es au Cameroun. Poster presented at the 10th Colloque de la relève ÉVISSA, Montreal, Canada.
• Gonzalez, C., Bachem, R. C., Crombach, A., Wadji, D.L., & Langevin, R., (2025, April). Between Wars, Catastrophes, and Family Violence: Crossed Perspectives on Parenting and the Intergenerational Transmission of Trauma Worldwide, Discussion panel presented at Symposium sur le trauma chez les enfants et adolescents 2025. 30 April – 1 May 2025, Montréal.
• Jenkins, D., Pirro, T., Giannouli, V, Wadji, D. L., Seedat, S., Spies, G., & Martin-Soelch, C., (2025, April).  The Relationship Between Age of First Exposure and Posttraumatic Symptoms: Results from the Global Psychotrauma Screen. Student fast five presentations at Global Perspectives on Intergenerational Child Maltreatment, 28-29 April 2025, Montréal.
• Balle, S., Kaptan, S. K., Wadji, D. L., Chabake, S. A., Bergsten, V., & Langevin, R. (2025, April).  Intergenerational (dis)continuity of family violence in non-western countries: A systematic review of prevalence and associated factors. Oral presentation at Global Perspectives on Intergenerational Child Maltreatment, 28-29 April 2025, Montréal.
• Wadji, D.L., Pirro, T., & Langevin, R. (2025, April). Intergenerational cycles of intimate partner violence in cameroon: Insights from a three generations study. Oral presentation at Global Perspectives on Intergenerational Child Maltreatment, 28-29 April 2025, Montréal.
• Fares-Otero, N. E., Sharp, T., Balle, S. R., … Wadji, D. L., …& Halligan, S. L. (2024, September). Social support and (complex) posttraumatic stress symptom severity: does sex matter? Poster presented at the 37^th ECNP Congress, 21-24 September 2024, Milan, Italy.
• Wadji, D.L., &Langevin, R. (2024, September). The role of mentalization in the intergenerational continuity of intimate partner violence in two adjacent adults generations in Cameroon. Poster presented at the ISTSS 40th Annual Meeting, 25-28 septembre 2024, Boston, Massachusetts, USA.
• Wadji, D.L., Pirro, T., &Langevin, R. (2024, June). A systematic review and meta-analysis of the association between childhood exposure to intimate partner violence and involvement in intimate partner violence in adulthood in Africa. In D. L. Wadji (Chair), Impacts of Childhood Exposure to Intimate Partner Violence on Intimate Relationships in Adulthood, Symposium presented at the 85^th Canadian Psychological Association Convention, June 21-23, 2024, Ottawa, ON, Canada.
• Langevin, R., Wadji, D.L., Bartoli, E., Martin-Soelch, C., Pfaltz, M. C., & Oe, M. (2024, June). Experiences and perceived acceptability of child maltreatment across countries: Implications for resilience and posttraumatic growth. In A.-A. Deneault (Chair), Maltreatment and Adverse Childhood Experiences: Resilience and Adaptation in Diverse Populations. Symposium presented at the 85^th Canadian Psychological Association Convention, June 21-23, 2024, Ottawa, ON, Canada.
• Wadji, D.L., Pirro, T. &Langevin, R. (2024, February). Une Revue Systématique et Méta-Analyse de l’Association entre l’Exposition à la Violence Conjugale dans l’Enfance et la Violence Conjugale à l’Âge Adulte en Afrique. Poster presented at the 2^nd colloque sur la violence conjugale, 9 Février 2024, Montréal, Canada.
• Wadji, D.L., Oe, M., Cheng, P., Bartoli, E., Martin-Soelch, C., Pfaltz, M. C., &. Langevin, R. (2023, October). Associations entre expériences de maltraitance dans l’enfance et acceptabilité perçue de la maltraitance envers enfants: Une étude interculturelle exploratoire. Poster presented at the 11e Congrès québécois sur la maltraitance envers les enfants et les adolescents, 16 et 17 octobre 2023, Montréal, Canada.
• Pfaltz, M. C., Haim-Nachum, S., Spies, G., Sopp, M. R. and Consortium (2023, June). Childhood maltreatment is related to larger comfortable interpersonal distance around the world. In Olff, Miranda (Chair), Symposium on Intercultural Aspects of Trauma Across Different Countries: Understanding and Treating, symposium presented at the 17th conference of the European Society for Traumatic Stress Studies, 14-17 June 2023, Belfast, Northern Ireland.
• Oe, M., Wadji, D.L., Bartoli, E., Martin-Soelch, C., Pfaltz, M. C., &. Langevin, R. (2023, June). Childhood maltreatment experiences and acceptability of child maltreatment: What are the effects on resilience in adulthood? In Olff, Miranda (Chair), Symposium on Intercultural Aspects of Trauma Across Different Countries: Understanding and Treating, symposium presented at the 17th conference of the European Society for Traumatic Stress Studies, 14-17 June 2023, Belfast, Northern Ireland.
• Wadji, D.L., Oe, M., Cheng, P., Bartoli, E., Martin-Soelch, C  &. Langevin, R. (2022, November). Associations between experienced childhood maltreatment and social norms regarding childhood maltreatment: A cross-cultural study. Poster presented at the ISTSS 38th Annual Meeting, Nov 9th, Atlanta, USA.
• Oe, M., Bartoli, E., Wadji, D. L., Cheng, P., Pfaltz, M. &. Langevin, R. (2022, November). Resilience is Associated with Child Maltreatment Experiences but Posttraumatic Growth is Associated with Perceived Norms of Child Maltreatment: A Comparative Study Among Four Countries. Poster presented at the ISTSS 38th Annual Meeting, Nov 9th, Atlanta, USA.
• Arévalo, A.  Sopp, R., Haim-Nachum, S., Pfaltz, M., Lüönd, A., Dukes, D., Levy-Gigi, E., …Wadji, D.L., … Wamser-Nanney, R. (2022, November). Childhood Maltreatment is Linked to Larger Preferred Interpersonal Distances Towards Friends and Strangers Across the Globe. Poster presented at the ISTSS 38th Annual Meeting, Nov 9th, Atlanta, USA.
• Oe, M., Cheng, P., Bartoli, E., Wadji, D. L., Pfaltz, M. & Langevin, R. (2022, June). The impact of cultural differences in social norms related to maltreatment: A comparison between Canada and Japan. Poster presented at the 118th Annual Meeting of the Japanese Society of Psychiatry and Neurology, Fukuoka, Japan.
• Cheng, P., Langevin, R., Bartoli, E., Wadji, D.L., Pfaltz, M. & Oe, M. (2022, June). Social norms and child maltreatment experiences and their association with mental health outcomes in Canada and Japan. Poster presented at the Annual Convention of the Canadian Psychological Association, Edmonton (AB), CA.
• Langevin, R., Cheng, P., Bartoli, E., Wadji, D.L., Pfaltz, M. & Oe, M. (2022, June). Cultural norms about child maltreatment and child maltreatment experiences in Canada and Japan: A comparative study. Poster presented at the Annual Convention of the Canadian Psychological Association, Edmonton (AB), CA.
• Bartoli, E., Langevin, R. Cheng, P., Wadji, D.L., Pfaltz, M. & Oe, M. (2022, March) Culture-specific Variations in Social Norms and Exposure to Maltreating Behaviors in Japan and Canada. Oral-Research presented at ISPCAN Congress, 27^th -30^th March, Quebec, Canada.
• Wadji, D.L. (2021, September). Domestic violence and African psychopathology. In Piccolo, M. (Chair), Intercultural Perspectives on Psychopathology and Trauma, Congresso de Psicologia e Análise do Comportamento, Brazil.
• Wadji, D.L. (2020, September). Intimate partner violence in Cameroon − Psychobiological impacts and correlates in mother-child dyads. In Pfaltz, M. (Chair), CM SEC, Child Maltreatment: Identifying Socio-Emotional Consequences. International Workshop, University of Zurich, Switzerland.
• Wadji, D. L., Ketcha Wanda, G.J.M., Wicky Collaud, C., Morina, N., & Martin-Soelch, C. (2019, September). Epigenetic and Psychological Factors in the Intergenerational Transmission of Violence. In Morina, N. (Chair), Symposium on Intercultural Aspects of Trauma Across Different Countries: Understanding and Treating, at the 16th conference of the Swiss Psychological Society, 9-11 September 2019, University of Bern, Switzerland.
• Wadji, D.L., Ketcha Wanda, G.J.M., Wicky, C., Morina, N., & Martin-Soelch, C. (2019, August). Epigenetic Mechanisms and Intimate Partner Violence in Cameroon. Poster presented at the 2^nd Annual symposium on Epigenetic Inheritance: Impact for Biology and Society, 26-28 August 2019, Swiss Federal Institute of Technology Zurich (ETHZ), Switzerland. https://doi.org/10.1093/eep/dvaa004
• Wadji, D.L., Ketcha Wanda, G.J.M., Wicky, C., Morina, N., & Martin-Soelch, C. (2019, February). Post-traumatic Stress as a Result of Domestic Violence and Epigenetic Factors. Poster presented at the 2^nd annual meeting of the Stress Network, 27 February 2019, Basel, Switzerland.
• Wadji, D.L., & Ketcha Wanda, G.J.M. (2014, June). Psychological Abuse and its Impact. Poster presentation at the annual meeting of the African Children’s Day, Yaoundé, Cameroun.