Prosjekter og publikasjoner
- Elis Haan, Hannah M. Sallis, Luisa Zuccolo, Jeremy Labrecque, Eivind Ystrøm, Ted Reichborn-Kjennerud, Ole Andreassen, Alexandra Havdahl, Marcus R. Munafò, (2021). Prenatal smoking, alcohol and caffeine exposure and maternal-reported attention deficit hyperactivity disorder symptoms in childhood: triangulation of evidence using negative control and polygenic risk score analyses. Addiction doi: 10.1111/add.15746
- Catherine Lord, Tony Charman, Alexandra Havdahl, Paul Carbone, Evdokia Anagnostou, Brian Boyd, Themba Carr, Petrus J. De Vries, Cheryl Dissanayake, Gauri Divan, Christine M. Freitag, Marina M. Gotelli, Connie Kasari, Martin Knapp, Peter Mundy, Alex Plank, Lawrence Scahill, Chiara Servili, Paul Shattuck, Emily Simonoff, Alison Tepper Singer, Vicky Slonims, Paul P. Wang, Maria Celica Ysrraelit, Rachel Jellett, Andrew Pickles, James Cusack, Patricia Howlin, Peter Szatmari, Alison Holbrook, Christina Toolan, James B. McCauley, (2021). The Lancet Commission on the future of care and clinical research in autism. The Lancet doi: 10.1016/S0140-6736(21)01541-5
- Hill F. Ip, Camiel M. van der Laan, Eva M. L. Krapohl, Isabell Brikell, Cristina Sánchez-Mora, Ilja M. Nolte, Beate St Pourcain, Koen Bolhuis, Teemu Palviainen, Hadi Zafarmand, Lucía Colodro-Conde, Scott Gordon, Tetyana Zayats, Fazil Aliev, Chang Jiang, Carol A. Wang, Gretchen Saunders, Ville Karhunen, Anke R. Hammerschlag, Daniel E. Adkins, Richard Border, Roseann E. Peterson, Joseph A. Prinz, Elisabeth Thiering, Iikka Seppälä, Natàlia Vilor-Tejedor, Tarunveer S. Ahluwalia, Felix R. Day, Jouke-Jan Hottenga, Andrea G. Allegrini, Kaili Rimfeld, Qi Chen, Lu Yi, Joanna Martin, Marìa Soler Artigas, Paula Rovira, Rosa Bosch, Gemma Español, Josep Antonio Ramos-Quiroga, Alexander Neumann, Jan Haavik, Jennifer Ruth Harris, Øyvind Helgeland, Stefan Johansson, Gun Peggy Strømstad Knudsen, Pål Rasmus Njølstad, Alexandra Havdahl, Per Minor Magnus, Ted Reichborn-Kjennerud, Dorret I. Boomsma, (2021). Genetic association study of childhood aggression across raters, instruments, and age. Translational Psychiatry s. 1-9. doi: 10.1038/s41398-021-01480-x
- Ragna Bugge Askeland, Laurie J. Hannigan, Helga Ask, Ziada Ayorech, Martin Steen Tesli, Elizabeth Corfield, Per Minor Magnus, Pål Rasmus Njølstad, Ole A. Andreassen, George Davey Smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2021). Early manifestations of genetic risk for neurodevelopmental disorders. Journal of Child Psychology and Psychiatry s. 1-10. doi: 10.1111/jcpp.13528
- Amanda Hughes, Tim Morris, Ziada Ayorech, Martin Steen Tesli, Helga Ask, Ragna Bugge Askeland, Ted Reichborn-Kjennerud, Stefan Johansson, Ole Andreassen, Per Minor Magnus, Øyvind Helgeland, Pål Rasmus Njølstad, George Davey Smith, Neil Davies, Laura D Howe, Alexandra Havdahl, (2021). The causal effect of BMI on neurodevelopment: a within family Mendelian randomization study using MoBa. International Journal of Epidemiology doi: 10.1093/ije/dyab168.296
- E Haan, H Sallis, Eivind Ystrøm, Pål Rasmus Njølstad, Ole Andreassen, Ted Reichborn-Kjennerud, M Munafo, Alexandra Havdahl, Luisa Zuccolo, (2021). Maternal and offspring genetic risk score analyses of fetal alcohol exposure and attention-deficit hyperactivity disorder risk in offspring. Alcoholism: Clinical and Experimental Research s. 2090-2102. doi: 10.1111/acer.14692
- Catherine Friel, Alastair H. Leyland, Jana J. Anderson, Alexandra Havdahl, Tiril Cecilie Borge, Michal Shimonovich, Ruth Dundas, (2021). Prenatal vitamins and the risk of offspring autism spectrum disorder: Systematic review and meta-analysis. Nutrients s. 1-16. doi: 10.3390/nu13082558
- Hugo Peyre, Tabea Schoeler, Chaoyu Liu, Camille Michèle Williams, Nicolas Hoertel, Alexandra Havdahl, Jean-Baptiste Pingault, (2021). Combining multivariate genomic approaches to elucidate the comorbidity between autism spectrum disorder and attention deficit hyperactivity disorder. Journal of Child Psychology and Psychiatry s. 1285-1296. doi: 10.1111/jcpp.13479
- Kyle Dack, Matthew Fell, Caroline M. Taylor, Alexandra Karoline Saasen Havdahl, Sarah J. Lewis, (2021). Mercury and prenatal growth: A systematic review. International Journal of Environmental Research and Public Health (IJERPH) s. 1-19. doi: 10.3390/ijerph18137140
- Maria Christine Magnus, Alexandra Havdahl, Nils-Halvdan Morken, Knut-Arne Wensaas, Allen J. Wilcox, Siri Eldevik Håberg, (2021). Risk of miscarriage in women with psychiatric disorders. British Journal of Psychiatry s. 501-506. doi: 10.1192/bjp.2020.259
- Alexandra Havdahl, Maria Niarchou, A Starnawska, M Uddin, Celia van der Merwe, Varun Warrier, (2021). Genetic contributions to autism spectrum disorder. Psychological Medicine doi: 10.1017/S0033291721000192
- Espen Moen Eilertsen, Eshim Shahid Jami, Tom A. McAdams, Laurie J. Hannigan, Alexandra Havdahl, Per Magnus, David M. Evans, Eivind Ystrøm, (2021). Direct and Indirect Effects of Maternal, Paternal, and Offspring Genotypes: Trio-GCTA. Behavior Genetics s. 1-8. doi: 10.1007/s10519-020-10036-6
- Laurie John Hannigan, Ragna Bugge Askeland, Helga Ask, Martin Tesli, Elizabeth Corfield, Ziada Ayorech, Øyvind Helgeland, Per Magnus, Pål Rasmus Njølstad, Anne-Siri Øyen, Camilla Stoltenberg, Ole A. Andreassen, George Davey smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2021). Genetic Liability for Schizophrenia and Childhood Psychopathology in the General Population. Schizophrenia Bulletin s. 1179-1189. doi: 10.1093/schbul/sbaa193
- Hannah M. Sallis, Jazz Croft, Alexandra Havdahl, Hannah J. Jones, Erin C. Dunn, George Davey Smith, Stanley Zammit, Marcus R. Munafò, (2020). Genetic liability to schizophrenia is associated with exposure to traumatic events in childhood. Psychological Medicine doi: 10.1017/S0033291720000537
- Alexandra Havdahl, Cristan Farmer, Synnve Schjølberg, Anne-Siri Øyen, Pål Suren, Ted Reichborn-Kjennerud, Per Magnus, Michaeline Bresnahan, Mady Hornig, Ezra Susser, Walter Ian Lipkin, Catherine Lord, Camilla Stoltenberg, Audrey Thurm, Somer L. Bishop, (2020). Age of walking and intellectual ability in autism spectrum disorder and other neurodevelopmental disorders: a population‐based study. Journal of Child Psychology and Psychiatry s. 1-9. doi: 10.1111/jcpp.13369
- Yury Kiselev, Marte Handal, Vidar Hjellvik, Ted Reichborn-Kjennerud, Camilla Stoltenberg, Pål Suren, Alexandra Havdahl, Svetlana Skurtveit, (2020). Nationwide study of neuropsychiatric comorbidity and medicines use in children with autism spectrum disorder in Norway. Frontiers in Psychiatry s. 1-8. doi: 10.3389/fpsyt.2020.596032
- Rosa Cheesman, Espen Moen Eilertsen, Yasmin I. Ahmadzadeh, Line C. Gjerde, Laurie John Hannigan, Alexandra Havdahl, Alexander I. Young, Thalia C. Eley, Pål Rasmus Njølstad, Per Magnus, Ole Andreas Andreassen, Eivind Ystrøm, Tom A. McAdams, (2020). How important are parents in the development of child anxiety and depression? A genomic analysis of parent-offspring trios in the Norwegian Mother Father and Child Cohort Study (MoBa). BMC Medicine doi: 10.1186/s12916-020-01760-1
- Wonuola A. Akingbuwa, Anke R. Hammerschlag, Eshim S. Jami, Andrea G. Allegrini, Ville Karhunen, Hannah Sallis, Helga Ask, Ragna Bugge Askeland, Bart Baselmans, Elizabeth W Diemer, Fiona A. Hagenbeek, Alexandra Havdahl, Jouke-Jan Hottenga, Hamdi Mbarek, Fernando Rivadeneira, Martin Steen Tesli, Catharina E. M. van Beijsterveldt, Gerome Breen, Cathryn M. Lewis, Anita Thapar, Dorret I. Boomsma, Ralf Kuja-Halkola, Ted Reichborn-Kjennerud, Per Magnus, Kaili Rimfeld, Eivind Ystrøm, Marjo-Riitta Järvelin, Paul Lichtenstein, Sebastian Lundström, Marcus R. Munafò, Robert Plomin, Henning Tiemeier, Michel G. Nivard, Meike Bartels, Christel M. Middeldorp, (2020). Genetic Associations Between Childhood Psychopathology and Adult Depression and Associated Traits in 42 998 Individuals: A Meta-analysis. JAMA psychiatry s. 715-728. doi: 10.1001/jamapsychiatry.2020.0527
- Ben Michael Brumpton, Eleanor Sanderson, Karl Heilbron, FP Hartwig, S Harrison, Gunnhild Åberge Vie, Y Cho, LD Howe, A Hughes, D Boomsma, Alexandra Havdahl, J Hopper, M Neale, Michel G. Nivard, N Pedersen, CA Reynolds, EM Tucker-D, A Grotzinger, Laurence Howe, Tim Morris, Shuai Li, The Within-Family Consortium, The 23andMe Research Team, A Auton, F Windmeijer, W-M Chen, Johan Håkon Bjørngaard, Kristian Hveem, C Willer, DM Evans, J Kaprio, G Davey Smith, Bjørn Olav Åsvold, G Hemani, Neil Martin Davies, (2020). Avoiding dynastic, assortative mating, and population stratification biases in Mendelian randomization through within-family analyses. Nature Communications doi: 10.1038/s41467-020-17117-4
- Fartein Ask Torvik, Espen Moen Eilertsen, Tom A. McAdams, Kristin Gustavson, Henrik Daae Zachrisson, Ragnhild Eek Brandlistuen, Line C. Gjerde, Alexandra Havdahl, Camilla Stoltenberg, Helga Ask, Eivind Ystrøm, (2020). Mechanisms linking parental educational attainment with child ADHD, depression, and academic problems: a study of extended families in The Norwegian Mother, Father and Child Cohort Study. Journal of Child Psychology and Psychiatry s. 1009-1018. doi: 10.1111/jcpp.13197
- Neil M. Davies, Laurence Howe, Ben Michael Brumpton, Alexandra Havdahl, David M. Evans, George Davey Smith, (2019). Within family Mendelian randomization studies. Human Molecular Genetics s. R170-R179. doi: 10.1093/hmg/ddz204
- Pål Suren, Alexandra Havdahl, Anne-Siri Øyen, Synnve Schjølberg, Ted Reichborn-Kjennerud, Per Magnus, Inger Johanne Landsjøåsen Bakken, Camilla Stoltenberg, (2019). Diagnostisering av autismespekterforstyrrelser hos barn i Norge. Tidsskrift for Den norske legeforening s. 1372-1379. doi: 10.4045/tidsskr.18.0960
- Beate Leppert, Alexandra Havdahl, Lucy Riglin, Hannah J. Jones, Jie Zheng, George Davey Smith, Kate Tilling, Anita Thapar, Ted Reichborn-Kjennerud, Evie Stergiakouli, (2019). Association of maternal neurodevelopmental risk alleles with early-life exposures. JAMA psychiatry s. 834-842. doi: 10.1001/jamapsychiatry.2019.0774
- Pål Suren, Alexandra Havdahl, Michaeline Bresnahan, Deborah Hirtz, Mady Hornig, Catherine Lord, Ted Reichborn-Kjennerud, Synnve Schjølberg, Anne-Siri Øyen, Per Magnus, Ezra Susser, W. Ian Lipkin, Camilla Stoltenberg, (2019). Sensitivity and specificity of early screening for autism. BJPsych Open doi: 10.1192/bjo.2019.34
- Alexandra Havdahl, Mitchell Ruth, Paternoster Lavinia, George Davey Smith, (2019). Investigating causality in the association between vitamin D status and self-reported tiredness. Scientific Reports doi: 10.1038/s41598-019-39359-z
- Doretta Caramaschi, Amy Taylor, Rebecca C. Richmond, Alexandra Havdahl, Jean Golding, Caroline Relton, Marcus R Munafo, George Davey Smith, Dheeraj Rai, (2018). Maternal smoking during pregnancy and autism: using causal inference methods in a birth cohort study. Translational Psychiatry doi: 10.1038/s41398-018-0313-5
- Helga Ask, Kristin Gustavson, Eivind Ystrøm, Karoline Alexandra Havdahl, Martin Steen Tesli, Ragna Bugge Askeland, Ted Reichborn-Kjennerud, (2018). Association of Gestational Age at Birth With Symptoms of Attention-Deficit/Hyperactivity Disorder in Children. JAMA pediatrics s. 749-756. doi: 10.1001/jamapediatrics.2018.1315
- Roald A Øien, Synnve Schjølberg, Fred R. Volkmar, Frederick Shic, Domenic V. Cicchetti, Anders Johan Nordahl-Hansen, Nina Stenberg, Mady Hornig, Karoline Alexandra Havdahl, Anne-Siri Øyen, Pamela Ventola, Ezra S. Susser, Martin Eisemann, Katarzyna Chawarska, (2018). Clinical Features of Children With Autism Who Passed 18-Month Screening. Pediatrics doi: 10.1542/peds.2017-3596
- Karoline Alexandra Havdahl, Somer L. Bishop, Pål Surén, Anne-Siri Øyen, Catherine Lord, Andrew Pickles, Stephen von Tetzchner, Synnve Schjølberg, Nina Gunnes, Mady Hornig, W. Ian Lipkin, Ezra Susser, Michaeline Bresnahan, Per Magnus, Nina Stenberg, Ted Reichborn-Kjennerud, Camilla Stoltenberg, (2017). The influence of parental concern on the utility of autism diagnostic instruments. Autism Research s. 1672-1686. doi: 10.1002/aur.1817
- Somer L. Bishop, Cristan Farmer, Vanessa Hus Bal, Elise Robinson, AJ Willsey, DM Werling, Karoline Alexandra Havdahl, SJ Sanders, A. Thurm, (2017). Identification of Developmental and Behavioral Markers Associated With Genetic Abnormalities in Autism Spectrum Disorder. American Journal of Psychiatry s. 576-585. doi: 10.1176/appi.ajp.2017.16101115
- Somer L. Bishop, Marisela Huerta, K. Gotham, Karoline Alexandra Havdahl, Andrew Pickles, A. Duncan, Vanessa Hus Bal, L. Croen, Catherine Lord, (2017). The autism symptom interview, school-age: A brief telephone interview to identify autism spectrum disorders in 5-to-12-year-old children. Autism Research s. 78-88. doi: 10.1002/aur.1645
- Karoline Alexandra Havdahl, Vanessa Hus Bal, Marisela Huerta, Andrew Pickles, Anne-Siri Øyen, Camilla Stoltenberg, Catherine Lord, Somer L. Bishop, (2016). Multidimensional influences on autism symptom measures: Implications for use in etiological research. Journal of the American Academy of Child and Adolescent Psychiatry s. 1054-1063. doi: 10.1016/j.jaac.2016.09.490
- Somer L. Bishop, Alexandra Havdahl, Marisela Huerta, Catherine Lord, (2016). Subdimensions of social-communication impairment in autism spectrum disorder. Journal of Child Psychology and Psychiatry s. 909-916. doi: 10.1111/jcpp.12510
- Alexandra Havdahl, Stephen von Tetzchner, Marisela Huerta, Catherine Lord, Somer L. Bishop, (2016). Utility of the Child Behavior Checklist as a Screener for Autism Spectrum Disorder. Autism Research s. 33-42. doi: 10.1002/aur.1515
- Ragna Bugge Askeland, Laurie John Hannigan, Helga Ask, Ziada Ayorech, Martin Steen Tesli, Elizabeth Corfield, Per Magnus, Pål Rasmus Njølstad, Ole Andreas Andreassen, George Davey smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2020). Early manifestations of genetic risk for neurodevelopmental disorders
- Laurie John Hannigan, Ragna Bugge Askeland, Helga Ask, Martin Steen Tesli, Elizabeth Corfield, Ziada Ayorech, Per Magnus, Pål Rasmus Njølstad, Anne-Siri Øyen, Camilla Stoltenberg, Ole Andreas Andreassen, George Davey smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2020). Developmental milestones in early childhood and genetic liability to neurodevelopmental disorders
- Karoline Alexandra Havdahl, (2016). Context matters: Factors affecting assessment of autism features
- Laurie John Hannigan, Elizabeth Corfield, Guido Biele, Kate Tilling, Tom A. McAdams, Isabella Badini, George Davey Smith, Tom G. Richardson, Rosie Cornish, Martin Steen Tesli, Ragna Bugge Askeland, Per Minor Magnus, Ole Andreassen, Pål Rasmus Njølstad, Eivind Ystrom, Camilla Stoltenberg, Ted Reichborn-Kjennerud, Helga Ask, Alexandra Havdahl, (2021). The genomic basis of participation in the Norwegian Mother, Father and Child Cohort Study.
- Laurie John Hannigan, Laura Hegemann, Robyn Wootton, Adrian Dahl Askelund, Alexandra Havdahl, (2021). A framework to improve polygenic questions and strengthen inferences in psychiatric genetic epidemiology .
- Robyn Wootton, Kyle Dack, Carolina Borges, Panagiota Pagoni, Lucy Riglin, Ole Andreassen, Pål Njølstad, Anne-Siri Øyen, Anita Thapar, Ted Reichborn-Kjennerud, Evie Stergiakouli, Alexandra Havdahl, (2021). Nutritional biomarkers in pregnancy and neurodevelopmental outcomes in offspring: A Mendelian Randomization study in the Norwegian Mother, Father and Child Cohort Study (MoBa).
- Ziada Ayorech, Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Fartein Ask Torvik, Ole Andreassen, Alexandra Havdahl, Eivind Ystrøm, (2021). Investigating Heterogeneity in Depression Using Multiple Polygenic Scores.
- Wikus Barkhuizen, Jean-Baptiste Pingault, Biyao Wang, Laurie John Hannigan, Espen Moen Eilertsen, Ole Andreassen, Helga Ask, Martin Steen Tesli, Ragna Bugge Askeland, George Davey Smith, Neil Davies, Ted Reichborn-Kjennerud, Eivind Ystrøm, Alexandra Havdahl, (2021). Direct and indirect genetic influences involved in the intergenerational transmission of risk for ADHD in the Norwegian Mother, Father and Child Cohort.
- Ziada Ayorech, Neil Davies, Robyn Wootton, Hunna J Watson, Laurie John Hannigan, Ragna Bugge Askeland, Elizabeth Corfield, Martin Steen Tesli, Anne-Siri Øyen, Pål R. Njølstad, Per Minor Magnus, Ole Andreassen, Ted Reichborn-Kjennerud, George Davey Smith, Cynthia M Bulik, Helga Ask, Alexandra Havdahl, (2021). Differential causal risk patterns in childhood eating behaviours compared to adulthood anorexia nervosa. A Mendelian randomization study.
- Ziada Ayorech, Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Alexandra Havdahl, Eivind Ystrøm, (2021). Polygenic P: Characterising the role of general liability to psychopathology in maternal depression .
- Alexandra Havdahl, (2021). Using genetic data to understand the causal influences of environmental factors on child development – Mendelian randomization studies in MoBa.
- Alexandra Havdahl, (2021). Separating direct and indirect genetic effects using trio designs in the Norwegian Mother, Father and Child Cohort Study (MoBa).
- Alexandra Havdahl, (2021). Prenatal nutrition and risk of offspring ADHD: A mendelian randomization study in the MoBa cohort.
- Alexandra Karoline Saasen Havdahl, Ruth Mitchell, Lavinia Paternoster, George Davey Smith, (2021). Author Correction: Investigating causality in the association between vitamin D status and self-reported tiredness. Scientific Reports doi: 10.1038/s41598-021-89274-5
- Laurie John Hannigan, Alexandra Havdahl, (2021). Meeting the challenge of multidimensionality in neurodevelopmental disorders – reflections on Johnson et al. (2021). Journal of Child Psychology and Psychiatry doi: 10.1111/jcpp.13416
- Alexandra Havdahl, (2020). PaGE and PsychGen: The Psychiatric Genetic Epidemiology group.
- Alexandra Havdahl, (2020). Update on psychiatric genetics research in the Norwegian Mother, Father and Child Cohort Study.
- Alexandra Havdahl, (2020). Autism and autistic traits in the Norwegian Mother, Father and Child Cohort Study (MoBa).
- Ziada Ayorech Lennox, Neil Davies, Laurie John Hannigan, Ragna Bugge Askeland, Martin Steen Tesli, Ole Andreas Andreassen, Ted Reichborn-Kjennerud, Øyvind Helgeland, Stefan Johansson, Pål Rasmus Njølstad, Helga Ask, George Davey Smith, Cynthia Bulik, Alexandra Havdahl, (2020). Which Metabo-Psychiatric Factors Affect the Risk of Anorexia Nervosa? A Mendelian Randomization Study.
- Alexandra Havdahl, M Niarchou, A Starnawska, Celia van der Merwe, (2020). Genetic contributions to autism spectrum disorder.
- Fartein Ask Torvik, Espen Moen Eilertsen, Laurie John Hannigan, Alexandra Havdahl, Eivind Ystrøm, (2020). Assortative mating and the usefulness of polygenic scores in extended pedigrees.
- Ragna Bugge Askeland, Laurie John Hannigan, Helga Ask, Ziada Ayorech Lennox, Martin Steen Tesli, Elizabeth Corfield, George Davey-Smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2020). Genetic risk factors for neurodevelopmental disorders.
- Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Yasmin Ahmadzadeh, Line C. Gjerde, Laurie Hannigan, Alexandra Havdahl, Thalia Eley, Eivind Ystrøm, Tom A. McAdams, (2019). Separating child and parent influences on child emotional problems using genomic family data. Behavior Genetics s. 523-524. doi: 10.1007/s10519-019-09973-8
- Helga Ask, Espen Moen Eilertsen, Line C. Gjerde, Kristin Gustavson, Laurie John Hannigan, Alexandra Havdahl, Tom A. McAdams, John M. Hettema, Ted Reichborn-Kjennerud, Fartein Ask Torvik, Eivind Ystrøm, (2019). Intergenerational transmission of parental neuroticism to offspring neuroticism, depression, and anxiety . Behavior Genetics s. 548-548. doi: 10.1007/s10519-019-09973-8
- Svetlana Skurtveit, Yury Kiselev, Marte Handal, Camilla Stoltenberg, Ted Reichborn-Kjennerud, Pål Suren, Alexandra Havdahl, Vidar Hjellvik, (2019). Co-Occurring Neuropsychiatric Diagnoses and Use of Psychotropic Drugs in Children with Autism Spectrum Disorder. Pharmacoepidemiology and Drug Safety doi: 10.10002/pds.4864
- Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Yasmin Ahmadzadeh, Line C. Gjerde, Laurie Hannigan, Alexandra Havdahl, Thalia Eley, Eivind Ystrøm, Tom A. McAdams, (2019). Separating child and parent influences on child emotional problems using genomic family data.
- Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Yasmin Ahmadzadeh, Line C. Gjerde, Laurie Hannigan, Alexandra Havdahl, Thalia C. Eley, Eivind Ystrøm, Tom A. McAdams, (2019). Separating child and parent influences on child depression and anxiety using genomic family data. European Neuropsychopharmacology s. S119-S119. doi: 10.1016/j.euroneuro.2019.08.012
- Rosa Catherine Gillespie Cheesman, Espen Moen Eilertsen, Yasmin Ahmadzadeh, Line C. Gjerde, Laurie Hannigan, Alexandra Havdahl, Thalia C. Eley, Eivind Ystrøm, Tom A. McAdams, (2019). Separating child and parent influences on child depression and anxiety using genomic family data.
- Alexandra Havdahl, (2019). Using population-based cohort studies and nationwide registries to study autism and other neurodevelopmental disorders.
- Alexandra Havdahl, (2019). Autism in Norway.
- Martin Steen Tesli, Elizabeth Corfield, Tetyana Zayats, Helga Ask, Ragna Bugge Askeland, Laurie Hannigan, Elise Robinson, Ole Andreas Andreassen, Alexandra Havdahl, Ted Reichborn-Kjennerud, (2019). Investigation of shared genetic risk between cardiometabolic morbidity and ADHD in a Norwegian family cohort using polygenic transmission disequilibrium test.
- Laurie Hannigan, Ragna Bugge Askeland, Helga Ask, Martin Steen Tesli, Elizabeth Corfield, Tom Mcadams, Anne-Siri Øyen, George Davey-Smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2019). Perinatal maternal stress and early-life behavioural and emotional problems: examining the role of genetically-influenced environmental sensitivity in mothers and offspring.
- Helga Ask, Laurie Hannigan, Neil Davies, Kristin Gustavson, Guido Biele, Thomas Richardson, Rosie Cornish, Elizabeth Corfield, Ragna Bugge Askeland, Martin Steen Tesli, Kate Tilling, George Davey Smith, Per Magnus, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2019). Exploring the Associations Between Health-Related Polygenic Scores and Participation in the Norwegian Mother and Child Pregnancy Cohort (MoBa).
- Helga Ask, Espen Moen Eilertsen, Line C. Gjerde, Kristin Gustavson, Laurie John Hannigan, Alexandra Havdahl, Tom A. McAdams, John M. Hettema, Ted Reichborn-Kjennerud, Fartein Ask Torvik, Eivind Ystrøm, (2019). Intergenerational transmission of parental neuroticism to offspring neuroticism, depression, and anxiety .
- Ragna Bugge Askeland, Laurie John Hannigan, Helga Ask, Martin Steen Tesli, Elizabeth Corfield, Ole Andreas Andreassen, George Davey-Smith, Ted Reichborn-Kjennerud, Alexandra Havdahl, (2019). Early manifestations of genetic risk for neurodevelopmental disorders.
- Ragna Bugge Askeland, Ted Reichborn-Kjennerud, Laurie John Hannigan, Helga Ask, Martin Steen Tesli, Elizabeth Corfield, Alexandra Havdahl, (2019). Early manifestation of genetic risk for attention deficit/hyperactivity disorder in Norwegian children.
- Alexandra Havdahl, Hannigan Laurie, Ragna Bugge Askeland, Helga Ask, Martin Steen Tesli, Elizabeth Corfield, Anne-Siri Øyen, Ole Andreassen, George Davey Smith, Ted Reichborn-Kjennerud, (2019). Polygenic Risk for ADHD and Exposures During Pregnancy in the Norwegian Mother and Child Cohort Study (MoBa).
- Alexandra Havdahl, Somer L. Bishop, (2019). Heterogeneity in prevalence of co-occurring psychiatric conditions in autism. The Lancet Psychiatry doi: 10.1016/S2215-0366(19)30326-8
- Alexandra Havdahl, (2018). Challenges in assessment of autism spectrum disorder.
- Alexandra Havdahl, (2018). Gene-Environment Interplay and Mental Health Problems.
- Alexandra Havdahl, (2018). Undersøke utvikling av psykiske helseproblemer ved bruk av molekylærgenetiske metoder .
- Alexandra Havdahl, (2018). Understanding the development of mental health problems utilizing large scale health data and novel molecular genetic models.
- Alexandra Havdahl, Somer L. Bishop, Cristan Farmer, Synnve Schjølberg, Michaeline Bresnahan, Deborah Hirtz, Mady Hornig, Catherine Lord, Ted Reichborn-Kjennerud, Pål Suren, Anne-Siri Øyen, Per Magnus, Ezra Susser, W. Ian Lipkin, Camilla Stoltenberg, George Davey Smith, Audrey Thurm, (2018). Loss of Social-Communication Skills and Outcomes during Childhood in a Large General Population Cohort.
- Karoline Alexandra Havdahl, Beate Leppert, (2018). Maternal health behaviours in pregnancy and neurodevelopmental disorders: Evidence of genetic confounding.
- Vanessa Hus Bal, Karoline Alexandra Havdahl, Somer L. Bishop, Audrey Thurm, Cristan Farmer, (2017). The Meaning of SRS-2 Scores is Relative: The Importance of Measurement Invariance in Outcome Measure Selection.
- Karoline Alexandra Havdahl, (2017). Best Dissertation Award Talk.
- Karoline Alexandra Havdahl, Vanessa Hus Bal, Marisela Huerta, Andrew Pickles, Anne-Siri Øyen, Camilla Stoltenberg, Catherine Lord, Somer L. Bishop, (2017). Dr. Havdahl et al. reply. Journal of the American Academy of Child and Adolescent Psychiatry s. 619-620. doi: 10.1016/j.jaac.2017.05.010
- Karoline Alexandra Havdahl, Vanessa Hus Bal, Catherine Lord, Andrew Pickles, Somer L Bishop, (2017). In Reply. Journal of the American Academy of Child and Adolescent Psychiatry s. 355-357. doi: 10.1016/j.jaac.2017.01.018
- Karoline Alexandra Havdahl, Somer L. Bishop, (2016). Questions for Bishop, Havdahl: Tantrums trick autism tests.
- Karoline Alexandra Havdahl, (2016). Factors influencing assessment of autism spectrum disorders.
- Karoline Alexandra Havdahl, (2016). Viktig med tidlig oppdagelse av autisme.
- Karoline Alexandra Havdahl, (2016). Tiltak for å fremme kommunikasjon, læring og sosialt engasjement hos små barn med autisme.
- Karoline Alexandra Havdahl, Somer L. Bishop, Pål Surén, Anne-Siri Øyen, Catherine Lord, Andrew Pickles, Stephen von Tetzchner, Synnve Schjølberg, Nina Gunnes, Hornig Mady, Bresnahan Michaeline, Ian Lipkin, Ezra Susser, Per Magnus, Nina Stenberg, Ted Reichborn-Kjennerud, Camilla Stoltenberg, (2016). Validity of Standardized Diagnostic Instruments for Autism Spectrum Disorders in Toddlers Recruited from a Population-Based Cohort: The Influence of Parental Concern.
- Karoline Alexandra Havdahl, Somer L. Bishop, C. Farmer, Vanessa Hus Bal, Elise Robinson, Stephan JK Sanders, A. Thurm, (2016). Phenotype-genotype associations in the Simons Simplex Collection for autism spectrum disorder.
- Karoline Alexandra Havdahl, Vanessa Hus Bal, Marisela Huerta, Catherine Lord, Somer L. Bishop, (2015). Improving the Discriminative Validity of the Social Responsiveness Scale for Autism Spectrum Disorder by Taking Emotional/Behavioral Problems into Account.
- Karoline Alexandra Havdahl, Marisela Huerta, E. Molloy, Somer L. Bishop, (2014). Utility of the Child Behavior Checklist in Differentiating Autism Spectrum Disorders from Other Clinical Disorders.