John Wallert
Assistant Professor | Docent
E-mail: john.wallert@ki.se
Visiting address: M48, Karolinska Universitetssjukhuset Huddinge, 14186 Stockholm
Postal address: K8 Klinisk neurovetenskap, K8 CPF Rück Wallert, 171 77 Stockholm
Part of:
- Department of Clinical Neuroscience
- Centre for Psychiatry Research at CNS
- Anxiety related disoders and genetics – Christian Rück's research group
About me
Docent, Assistant Professor, and Clinical Psychologist at Karolinska Institutet. Team Leader for Team Modelling in Rück Research group. Course Leader for the free-standing KI course "Artificial Intelligence in Mental Healthcare".
Research
My research interests include causal modelling, predictive modelling, machine learning, psychiatry, behavioural genetics, involuntary care, psychological interventions, diagnostics, suicidology, behavioural cardiology, psychometrics, cognition, intelligence, aging, neuropsychological assessment, mental chronometry, evolutionary psychology, music, and entrainment.
Articles
- Article: JOURNAL OF AFFECTIVE DISORDERS. 2025;389:119619Psychometric evaluation and optimization of the self-rated Montgomery-Åsberg Depression Rating ScaleJohansson F; Adler M; Kaldo V; Ruck C; Wallert J
- Article: PSYCHOLOGICAL MEDICINE. 2025;55:e226Hybelius J; Hammarberg SAW; Salomonsson S; Wachtler C; Epstein M; Olsson A; Strand E; Winter LS; Akerlund T; Bjorkander D; Kosic A; Chahin G; Wallert J; Toth-Pal E; Nordin S; Axelsson E
- Article: AMERICAN JOURNAL OF MEDICAL GENETICS PART B-NEUROPSYCHIATRIC GENETICS. 2025;198(5):e33026Backman J; Wallert J; Halvorsen M; Roelstraete B; de Schipper E; Strom NI; Eide TO; Hoffler KD; Mattheisen M; Hansen B; Kvale G; Hagen K; Haavik J; Mataix-Cols D; Ruck C; Crowley JJ
- Article: DISCOVER MENTAL HEALTH. 2025;5(1):82Baeckman J; Wallert J; Halvorsen M; Crowley JJ; Mataix-Cols D; Rueck C
- Article: SCANDINAVIAN JOURNAL OF PSYCHOLOGY. 2025;66(3):315-326Sennerstam V; Hedman-Lagerlöf E; Nilsonne G; Lekander M; Rück C; Wallert J; Axelsson E; Lindsäter E
- Article: BMC PSYCHIATRY. 2025;25(1):555Kravchenko O; Backman J; Mataix-Cols D; Crowley JJ; Halvorsen M; Sullivan PF; Wallert J; Ruck C
- Article: INTERNATIONAL JOURNAL OF BEHAVIORAL MEDICINE. 2025;:1-10Hybelius J; Kosic A; Salomonsson S; Wachtler C; Wallert J; Nordin S; Axelsson E
- Article: MOLECULAR PSYCHIATRY. 2025;30(4):1510-1517Halvorsen MW; de Schipper E; Baeckman J; Strom NI; Hagen K; Lindblad-Toh K; Karlsson EK; Pedersen NL; Wallert J; Bulik CM; Fundin B; Landen M; Kvale G; Hansen B; Haavik J; Mattheisen M; Rueck C; Mataix-Cols D; Crowley JJ
- Article: COGNITIVE BEHAVIOUR THERAPY. 2025;54(2):231-245Flygare O; Ojala O; Ponten M; Klintwall L; Karemyr M; Sjoblom K; Wallert J; Hellner C; Nilbrink J; Bellander M; Bjureberg J
- Article: EUROPEAN JOURNAL OF CARDIOVASCULAR NURSING. 2025;24(2):253-263Hag E; Back M; Henriksson P; Wallert J; Held C; Stomby A; Leosdottir M
- Article: CLINICAL NEUROPSYCHOLOGIST. 2025;39(2):424-438Almkvist O; Rennie A; Westman E; Wallert J; Ekman U
- Journal article: INTERNATIONAL JOURNAL OF CARDIOLOGY. 2025;420:132876Michelsen HO; Henriksson P; Wallert J; Back M; Sjolin I; Schlyter M; Hagstrom E; Kiessling A; Held C; Hag E; Nilsson L; Schiopu A; Zaman MJ; Leosdottir M
- Article: JOURNAL OF AFFECTIVE DISORDERS. 2025;368:420-428Johansson F; Flygare O; Backman J; Fondberg R; Axelsson E; Forsell E; Cervin M; Kaldo V; Ruck C; Wallert J
- Article: JAMA NETWORK OPEN. 2024;7(11):e2446603Hybelius J; Kosic A; Salomonsson S; Wachtler C; Wallert J; Nordin S; Axelsson E
- Article: CARDIOVASCULAR DIABETOLOGY. 2024;23(1):330Sharad B; Eckerdal N; Magnusson M; Michelsen HO; Jujic A; Lidin M; Mellbin L; Shaat N; Pingel R; Wallert J; Hagstrom E; Leosdottir M
- Article: PEERJ COMPUTER SCIENCE. 2024;10:e2104Striegl J; Richter JW; Grossmann L; Brastad B; Gotthardt M; Ruck C; Wallert J; Loitsch C
- Article: IJC HEART AND VASCULATURE. 2024;51:101392Zwackman S; Leosdottir M; Hagstrom E; Jernberg T; Karlsson J-E; Lawesson SS; Michelsen HO; Ravn-Fischer A; Wallert J; Alfredsson J
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2023;110(12):1618-1622Svensson CJ; Gang KW; Wallert J; Rueck C; Lundberg CE
- Article: BMJ OPEN. 2023;13(10):e069427Boberg J; Kaldo V; Mataix-Cols D; Crowley JJ; Roelstraete B; Halvorsen M; Forsell E; Isacsson NH; Sullivan PF; Svanborg C; Andersson EH; Lindefors N; Kravchenko O; Mattheisen M; Danielsdottir HB; Ivanova E; Boman M; Fernandez de la Cruz L; Wallert J; Ruck C
- Journal article: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2023;75:s165Kravchenko O; Boberg J; Mataix-Cols D; Crowley J; Halvorsen M; Wallert J; Ruck C
- Journal article: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2023;75:s109-s110Kravchenko O; Boberg J; Mataix-Cols D; Crowley J; Halvorsen M; Wallert J; Ruck C
- Article: STRESS AND HEALTH. 2023;39(4):813-827Lindsater E; Svardman F; Rosquist P; Wallert J; Ivanova E; Lekander M; Soderholm A; Ruck C
- Article: NEUROBIOLOGY OF AGING. 2023;129:41-49Rennie A; Ekman U; Wallert J; Muehlboeck J-S; Eriksdotter M; Wahlund L-O; Ferreira D; Westman E
- Article: BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY. 2023;130(8):891-901Axfors C; Wikstrom A-K; Poromaa IS; Hallmarker U; Michaelsson K; Wallert J; White RAA; Skalkidou A
- Article: INTERNATIONAL JOURNAL OF CARDIOLOGY. 2023;381:120-127Flygare O; Boberg J; Ruck C; Hofmann R; Leosdottir M; Mataix-Cols D; Fernandez de la Cruz L; Richman P; Wallert J
- Article: JOURNAL OF ALZHEIMERS DISEASE. 2023;92(2):605-614Gyllenhammar M; Rennie A; Padilla DF; Wallert J; Rydstrom A; Wahlund L-O; Eriksdotter M; Westman E; Ekman U
- Article: CNS SPECTRUMS. 2023;28(1):33-40Chen LL; Flygare O; Wallert J; Enander J; Ivanov VZ; Ruck C; Djurfeldt D
- Journal article: INTERNATIONAL JOURNAL OF CARDIOLOGY. 2023;371:40-48Michelsen HO; Henriksson P; Wallert J; Back M; Sjolin I; Schlyter M; Hagstrom E; Kiessling A; Held C; Hag E; Nilsson L; Schiopu A; Zaman MJ; Leosdottir M
- Article: BEHAVIOR THERAPY. 2023;54(1):43-50Flygare O; Wallert J; Chen L-L; Fernandez de la Cruz L; Lundstroem L; Mataix-Cols D; Rack C; Andersson E
- Journal article: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2022;63:e138-e139Wallert J; Boberg J; Kaldo V; Roelstraete B; Crowley J; Halvorsen M; Isacsson NH; Sullivan P; Kravchenko O; Mattheisen M; Ivanova E; Boman M; Fernandez de la Cruz L; Mataix-Cols D; Ruck C
- Journal article: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2022;63:e192-e193Wallert J; Boberg J; Kravchenko O; Kaldo V; Mataix-Cols D; Crowley J; Rück C
- Journal article: BJPSYCH OPEN. 2022;8(5):e176Lindsater E; Svardman F; Wallert J; Ivanova E; Soderholm A; Fondberg R; Nilsonne G; Cervenka S; Lekander M; Ruck C
- Article: TRANSLATIONAL PSYCHIATRY. 2022;12(1):357Wallert J; Boberg J; Kaldo V; Mataix-Cols D; Flygare O; Crowley JJ; Halvorsen M; Ben Abdesslem F; Boman M; Andersson E; Isacsson NH; Ivanova E; Ruck C
- Article: DISABILITY AND REHABILITATION. 2022;44(15):3834-3842Liljeroos T; Puthoopparambil SJ; Wallert J; Held C; Olsson EMG
- Article: EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE. 2022;11(6):491-500Humphries S; Wallert J; Mars K; Held C; Hofmann R; Olsson EMG
- Journal article: WORLD PSYCHIATRY. 2022;21(2):315-316Cervin M; Mataix-Cols D
- Article: SCIENTIFIC REPORTS. 2022;12(1):642Leosdottir M; Warjerstam S; Michelsen HO; Schlyter M; Hag E; Wallert J; Larsson M
- Journal article: EUROPEAN HEART JOURNAL. 2021;42(Supplement_1):ehab724.1409Leosdottir M; Warjerstam S; Michelsen HO; Schlyter M; Hag E; Wallert J; Larsson M
- Article: AGING-US. 2021;13(10):13430-13442Wallert J; Rennie A; Ferreira D; Muehlboeck J-S; Wahlund L-O; Westman E; Ekman U
- Article: EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE. 2021;10(4):372-379Mars K; Wallert J; Held C; Humphries S; Pingel R; Jernberg T; Olsson EMG; Hofmann R
- Article: JOURNAL OF MEDICAL INTERNET RESEARCH. 2021;23(5):e25465Humphries SM; Wallert J; Norlund F; Wallin E; Burell G; von Essen L; Held C; Olsson EMG
- Article: FRONTIERS IN PSYCHOLOGY. 2020;11:600841Ekman U; Kemani MK; Wallert J; Wicksell RK; Holmstrom L; Ngandu T; Rennie A; Akenine U; Westman E; Kivipelto M
- Article: BMC GERIATRICS. 2020;20(1):93Ekman U; Ferreira D; Muehlboeck J-S; Wallert J; Rennie A; Eriksdotter M; Wahlund L-O; Westman E
- Journal article: EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY. 2020;27(4):378-380Wallert J; Held C; Madison G; Olsson E
- Article: EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY. 2020;27(2):145-154Wallert J; Olsson EMG; Pingel R; Norlund F; Leosdottir M; Burell G; Held C
- Article: INTERNATIONAL JOURNAL OF CARDIOLOGY. 2019;292:19-24Wallert J; Mitchell A; Held C; Hagstrom E; Leosdottir M; Olsson EG
- Article: EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY. 2019;26(14):1510-1518Lissaker CT; Norlund F; Wallert J; Held C; Olsson EMG
- Article: JOURNAL OF MEDICAL INTERNET RESEARCH. 2018;20(10):e10754Wallert J; Gustafson E; Held C; Madison G; Norlund F; von Essen L; Olsson EMG
- Journal article: EUROPEAN HEART JOURNAL. 2018;39(suppl_1):ehy566.p5407Wallert J; Gustavson E; Held C; Madison G; Norlund F; Von Essen L; Olsson E
- Journal article: EUROPEAN HEART JOURNAL. 2018;39(suppl_1):ehy564.223Wallert J; Olsson E; Norlund F; Pingel R; Leosdottir M; Burell G; Held C
- Article: EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY. 2018;25(9):910-920Norlund F; Lissaker C; Wallert J; Held C; Olsson EMG
- Article: FRONTIERS IN AGING NEUROSCIENCE. 2018;10:144Wallert J; Westman E; Ulinder J; Annerstedt M; Terzis B; Ekman U
- Journal article: JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY. 2018;71(11):a1884Norlund F; Wallin E; Olsson E; Walled J; Burell G; Held C
- Article: JOURNAL OF MEDICAL INTERNET RESEARCH. 2018;20(3):e88Norlund F; Wallin E; Olsson EMG; Wallert J; Burell G; von Essen L; Held C
- Article: INTELLIGENCE. 2017;64:9-17Wallert J; Ekman U; Westman E; Madison G
- Article: AMERICAN HEART JOURNAL. 2017;191:12-20Wallert J; Held C; Madison G; Olsson EMG
- Journal article: EUROPEAN HEART JOURNAL. 2017;38(suppl_1):ehx502.p2509Norlund F; Lissaker C; Olsson EM; Wallert J; Held C
- Article: BMC MEDICAL INFORMATICS AND DECISION MAKING. 2017;17(1):99Wallert J; Tomasoni M; Madison G; Held C
- Article: JOURNAL OF PSYCHOSOMATIC RESEARCH. 2017;97:30-37Lissaker CT; Wallert J; Held C; Olsson E
- Article: EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY. 2017;24(6):639-646Wallert J; Lissaker C; Madison G; Held C; Olsson E
- Article: INTERNATIONAL JOURNAL OF CARDIOLOGY. 2017;231:13-17Wallert J; Madison G; Held C; Olsson E
- Article: FRONTIERS IN HUMAN NEUROSCIENCE. 2014;8:738Wallert J; Madison G
- Article: FRONTIERS IN PSYCHOLOGY. 2014;5:1011Madison G; Aasa U; Wallert J; Woodley MA
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All other publications
- Preprint: RESEARCH SQUARE. 2024Sharad B; Eckerdal N; Magnusson M; Michelsen HÖ; Jujic A; Lidin M; Mellbin L; Shaat N; Pingel R; Wallert J; Hagström E; Leosdottir M
- Preprint: OSF PREPRINTS. 2024Johansson F; Flygare O; Bäckman J; Fondberg R; Axelsson E; Forsell E; Cervin M; Kaldo V; Ruck C; Wallert J
- Preprint: RESEARCH SQUARE. 2024Bäckman J; Wallert J; Halvorsen M; Crowley J; Mataix-Cols D; Rück C
- Preprint: RESEARCH SQUARE. 2024Kravchenko O; Boberg J; Mataix-Cols D; Crowley J; Halvorsen M; Sullivan P; Wallert J; Rück C
- Preprint: OSF PREPRINTS. 2023Striegl J; Richter JW; Grossmann L; Bråstad B; Gotthardt M; Ruck C; Wallert J; Loitsch C
- Preprint: MEDRXIV. 2023Zwackman S; Leosdottir M; Hagström E; Jernberg T; Karlsson J-E; Lawesson SS; Michelsen HÖ; Ravn-Fischer A; Wallert J; Alfredsson J
- Preprint: PSYARXIV. 2023Flygare O; Ojala O; Ponten M; Klintwall L; Karemyr M; Sjöblom K; Wallert J; Hellner C; Nilbrink J; Bellander M; Bjureberg J
- Conference publication: EUROPEAN HEART JOURNAL. 2022;43:2325Sharad B; Magnusson M; Michelsen HO; Jujic A; Lidin M; Mellbin L; Shaat N; Wallert J; Hagstrom E; Leosdottir M
- Review: BJPSYCH OPEN. 2022;8(5):e159Lindsater E; Svardman F; Wallert J; Ivanova EN; Soderholm A; Fondberg R; Nilsonne G; Cervenka S; Lekander M; Ruck C
- Preprint: PSYARXIV. 2022Flygare O; Wallert J; Chen L-L; Fernández de la Cruz L; Lundström L; Mataix-Cols D; Ruck C; Andersson E
- Preprint: PSYARXIV. 2022Lindsäter E; Svärdman F; Wallert J; Ivanova EN; Söderholm A; Fondberg R; Nilsonne G; Cervenka S; Lekander M; Ruck C
- Preprint: SSRN ELECTRONIC JOURNAL. 2022Ogmundsdottir Michelsen H; Henriksson P; Wallert J; Bäck M; Sjölin I; Schlyter M; Hagström E; Kiessling A; Held C; Hag E; Nilsson L; Schiopu A; Zaman J; Leosdottir M
- Conference publication: EUROPEAN HEART JOURNAL. 2021;42:2538Michelsen HO; Henriksson P; Wallert J; Back M; Sjolin I; Schlyter M; Hagstrom E; Kiessling A; Held C; Hag E; Nilsson L; Schiopu A; Zaman MJ; Leosdottir M
- Conference publication: EUROPEAN HEART JOURNAL. 2021;42:1409Leosdottir M; Warjerstam S; Michelsen HO; Schlyter M; Hag E; Wallert J; Larsson M
- Preprint: RESEARCH SQUARE. 2021Leosdottir M; Wärjerstam S; Michelsen H; Schlyter M; Hag E; Wallert J; Larsson M
- Preprint: RESEARCH SQUARE. 2021Leosdottir M; Wärjerstam S; Michelsen HÖ; Schlyter M; Hag E; Wallert J; Larsson M
- Conference publication: INTERNATIONAL JOURNAL OF BEHAVIORAL MEDICINE. 2021;28(SUPPL 1):S76Olsson E; Wallert J; Norlund F; Lissaker C; Humphries S; Held C
- Preprint: MEDRXIV. 2021Wallert J; Boberg J; Kaldo V; Mataix-Cols D; Flygare O; Crowley J; Halvorsen M; Abdesslem FB; Boman M; Andersson E; Isacsson NH; Ivanova E; Rück C
- Preprint: MEDRXIV. 2021Chen LL; Flygare O; Wallert J; Enander J; Ivanov V; Rück C; Djurfeldt D
- Preprint: SSRN ELECTRONIC JOURNAL. 2021Humphries SM; Wallert J; Mars K; Held C; Hofmann R; Olsson E
- Preprint: JMIR PREPRINTS. 2020Humphries SM; Wallert J; Norlund F; Wallin E; Burell G; von Essen L; Held C; Olsson EMG
- Preprint: JMIR PREPRINTS. 2018Wallert J; Gustafson E; Held C; Madison G; Norlund F; von Essen L; Olsson EMG
- Preprint: JMIR PREPRINTS. 2017Norlund F; Wallin E; Olsson EMG; Wallert J; Burell G; von Essen L; Held C
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Grants
- A population-based risk calculator for adverse outcomes after discharge from involuntary psychiatric careCIMED1 January 2025 - 1 December 2027
- Swedish Research Council for Health Working Life and Welfare1 January 2025 - 31 December 2027Research problem and specific questionsSuicide prevention is a high-priority public health goal. Assessing patients´ suicide risk is a basis for clinical decisions in psychiatry, including decisions about involuntary care. However, there is currently a lack of clear evidence on how suicide risk should be assessed and how risk assessments should be used, leading to uncertainty and possible inequality in clinical assessments and decisions.- How are suicide risk assessments conducted and what basis do they provide for clinical decisions, including decisions about involuntary care?- How do patients perceive suicide risk assessments and what is their view on the role of suicide risk assessments in psychiatry?- How do judges perceive suicide risk assessments and what relevance do they have for court decisions regarding involuntary psychiatric care?- How should suicide risk assessments be conducted and how should they be used in healthcare?Data and methods1) Interviews with psychiatrists about how they conduct suicide risk assessments and how they use their assessments. The data will be analyzed using qualitative content analysis.2) Interviews with patients about their experiences and views of suicide risk assessments. We will use thematic analysis to analyse the data.3) A survey study based on case vignettes and questions on suicide risk assessments and involuntary psychiatric care. The survey will be sent to Swedish psychiatrists. We will use descriptive and inferential methods to analyze the results.4) Focus group interviews with judges in the Administrative Courts regarding suicide risk as a reason for involuntary psychiatric care. We will use qualitative content analysis to analyze the data. 5) Ethical analysis based on studies 1-4 and current research on suicide prediction. The aim is to present an analysis and an ethical framework to guide assessments of suicide risk in healthcare.Social Relevance and utilisationThe overarching goal of the project is to provide a basis for evidence-based, clinically meaningful, equal, and patient-centered assessments of suicide risk.Plan for project realisationThe project will be conducted over three years by an interdisciplinary research team that includes expertise in psychiatry, medical ethics, and law. We intend to publish the results in the form of research articles and also to develop a framework for suicide risk assessments to be used as decision support in healthcare
- PRiMED: Predicting Response after cognitive behaviour therapy in MEntal Disorders using multimodal data and machine learningThe Söderström König Foundation1 January 2023 - 31 July 2025
- PRiSMED: Prediction of health and socioeconomic outcomes for patients with common psychiatric disordersCIMED1 January 2022 - 31 December 2024
- Exhaustion disorder - a surveyRegion Stockholm1 January 2022 - 31 December 2024
- Swedish Research Council for Health Working Life and Welfare1 January 2022 - 31 December 2024
- The Swedish Research Council (Vetenskapsrådet)1 December 2021 - 30 November 2024
- Swedish Research Council1 December 2021 - 30 November 2024
- Swedish Research Council1 January 2021 - 31 December 2021
- Swedish Research Council for Health Working Life and Welfare1 January 2020 - 31 December 2022
- PRiMED: Predicting Response after cognitive behaviour therapy in MEntal Disorders using multimodal data and machine learningThe Söderström König Foundation1 January 2020 - 31 December 2022
- Swedish Heart-Lung Foundation1 January 2020 - 31 December 2021
Employments
- Assistant Professor, Department of Clinical Neuroscience, Karolinska Institutet, 2022-2027
- Assistant Professor, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2022-2026
Degrees and Education
- Docent, Karolinska Institutet, 2024