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G. Knudsen · SciRah

Researcher profile · Semantic Scholar

G. Knudsen

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G. Knudsen — researcher profile on SciRah

h-index: 45
Works: 122
Citations: 10K

Most-cited papers

Large-Scale Exome Sequencing Study Implicates Both Developmental and Functional Changes in the Neurobiology of Autism
F. Satterstrom, Jack A. Kosmicki, Jiebiao Wang, M. Breen +186 more
2019Cell2,103 citations Open access
Semantic Scholar
Cohort Profile Update: The Norwegian Mother and Child Cohort Study (MoBa).
P. Magnus, Charlotte Birke, K. Vejrup, A. Haugan +11 more
2016International Journal of Epidemiology921 citations
Semantic Scholar
Genome-wide association study identifies eight risk loci and implicates metabo-psychiatric origins for anorexia nervosa
Hunna J. Watson, Zeynep Yilmaz, L. Thornton, Christopher Hübel +206 more
2019Nature Genetics804 citations Open access
Semantic Scholar
Ethical aspects of registry-based research in the Nordic countries
J. Ludvigsson, S. Håberg, G. Knudsen, P. Lafolie +5 more
2015Clinical Epidemiology333 citations Open access
Semantic Scholar
Loss-of-function variants in ABCA7 confer risk of Alzheimer's disease
S. Steinberg, H. Stefánsson, Thorlákur Jónsson, Hrefna S. Jóhannsdóttir +29 more
2015Nature Genetics325 citations Open access
Semantic Scholar
The Norwegian Patient Registry and the Norwegian Registry for Primary Health Care: Research potential of two nationwide health-care registries
I. Bakken, A. M. S. Ariansen, G. Knudsen, Knut Ivar Johansen +1 more
2020Scandinavian Journal of Public Health306 citations Open access
Semantic Scholar
Prevalence and stability of mental disorders among young adults: findings from a longitudinal study
Kristin Gustavson, A. Knudsen, R. Nesvåg, G. Knudsen +2 more
2018BMC Psychiatry272 citations Open access
Semantic Scholar
The biobank of the Norwegian Mother and Child Cohort Study - present status.
L. Paltiel, A. Haugan, Trine Skjerden, K. Harbak +4 more
2014186 citations Open access
Semantic Scholar
Prenatal Exposure to Acetaminophen and Risk of ADHD
E. Ystrøm, Kristin Gustavson, R. Brandlistuen, G. Knudsen +10 more
2017Pediatrics176 citations Open access
Semantic Scholar
Prenatal Phthalates, Maternal Thyroid Function, and Risk of Attention-Deficit Hyperactivity Disorder in the Norwegian Mother and Child Cohort
S. Engel, G. Villanger, Rachel C. Nethery, C. Thomsen +8 more
2018Environmental Health Perspectives121 citations Open access
Semantic Scholar
Substance use disorders in schizophrenia, bipolar disorder, and depressive illness: a registry-based study
R. Nesvåg, G. Knudsen, I. Bakken, A. Høye +5 more
2015Social Psychiatry and Psychiatric Epidemiology121 citations
Semantic Scholar
Attention-deficit hyperactivity disorder shares copy number variant risk with schizophrenia and autism spectrum disorder
O. Gudmundsson, G. Walters, A. Ingason, S. Johansson +23 more
2019Translational Psychiatry113 citations Open access
Semantic Scholar
Smoking in Pregnancy and Child ADHD
Kristin Gustavson, E. Ystrøm, C. Stoltenberg, E. Susser +8 more
2017Pediatrics113 citations Open access
Semantic Scholar
Genome-Wide Analysis of Attention Deficit Hyperactivity Disorder in Norway
T. Zayats, L. Athanasiu, I. Sønderby, S. Djurovic +11 more
2015PLoS ONE84 citations Open access
Semantic Scholar
Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth
Ø. Helgeland, Marc Vaudel, P. Júlíusson, Oddgeir Lingaas Holmen +13 more
2019Nature Communications81 citations Open access
Semantic Scholar
Cell type specific DNA methylation in cord blood: A 450K-reference data set and cell count-based validation of estimated cell type composition
K. Gervin, C. Page, H. Aass, M. Jansen +13 more
2016Epigenetics81 citations Open access
Semantic Scholar
Measurement of Total and Free Urinary Phenol and Paraben Concentrations over the Course of Pregnancy: Assessing Reliability and Contamination of Specimens in the Norwegian Mother and Child Cohort Study
V. Guidry, M. Longnecker, Heidi Aase, M. Eggesbø +7 more
2015Environmental Health Perspectives75 citations Open access
Semantic Scholar
Characterization of the genetic architecture of infant and early childhood body mass index
Ø. Helgeland, Marc Vaudel, P. Solé-Navais, C. Flatley +14 more
2022Nature Metabolism74 citations Open access
Semantic Scholar
Genetic association study of childhood aggression across raters, instruments, and age
Hill F. Ip, C. M. van der Laan, E. Krapohl, I. Brikell +145 more
2019bioRxiv70 citations Open access
Semantic Scholar
Structure of Genetic and Environmental Risk Factors for Symptoms of DSM-IV Borderline Personality Disorder
T. Reichborn-Kjennerud, E. Ystrøm, M. Neale, S. Aggen +5 more
2013JAMA psychiatry70 citations Open access
Semantic Scholar
Potentially Traumatic Event Exposure, Posttraumatic Stress Disorder, and Axis I and II Comorbidity in a Population Based Study of Norwegian Young Adults
A. Amstadter, S. Aggen, G. Knudsen, T. Reichborn-Kjennerud +1 more
2012Social Psychiatry and Psychiatric Epidemiology68 citations Open access
Semantic Scholar
Population prevalence and inheritance pattern of recurrent CNVs associated with neurodevelopmental disorders in 12,252 newborns and their parents
D. Smajlagić, Ksenia Lavrichenko, S. Berland, Ø. Helgeland +7 more
2020European Journal of Human Genetics67 citations Open access
Semantic Scholar
Maternal Eating Disorders and Perinatal Outcomes: A Three-Generation Study in the Norwegian Mother and Child Cohort Study
Hunna J. Watson, S. Zerwas, L. Torgersen, Kristin Gustavson +4 more
2017Journal of Abnormal Psychology65 citations Open access
Semantic Scholar
Personality disorders are important risk factors for disability pensioning
K. Østby, N. Czajkowski, G. Knudsen, E. Ystrøm +4 more
2014Social Psychiatry and Psychiatric Epidemiology62 citations Open access
Semantic Scholar
Novel genes for autism implicate both excitatory and inhibitory cell lineages in risk
F. Satterstrom, Jack A. Kosmicki, Jiebiao Wang, M. Breen +153 more
2018bioRxiv60 citations Open access
Semantic Scholar
The quality of severe mental disorder diagnoses in a national health registry as compared to research diagnoses based on structured interview
R. Nesvåg, Erik G. Jönsson, I. Bakken, G. Knudsen +4 more
2017BMC Psychiatry60 citations Open access
Semantic Scholar
Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study.
E. Eilertsen, L. Gjerde, T. Reichborn-Kjennerud, R. Ørstavik +6 more
2017International Journal of Epidemiology58 citations Open access
Semantic Scholar
Maternal fever during pregnancy and offspring attention deficit hyperactivity disorder
Kristin Gustavson, H. Ask, E. Ystrøm, Camilla Stoltenberg +12 more
2019Scientific Reports55 citations Open access
Semantic Scholar
Midlife vascular risk factors and their association with dementia deaths: results from a Norwegian prospective study followed up for 35 years.
B. Strand, E. Langballe, V. Hjellvik, M. Handal +11 more
2013Journal of Neurological Sciences52 citations
Semantic Scholar
Maternal thyroid function during pregnancy or neonatal thyroid function and attention deficit hyperactivity disorder: A systematic review
S. Drover, G. Villanger, Heidi Aase, Thea Steen Skogheim +6 more
2019Epidemiology51 citations Open access
Semantic Scholar
Shared Genetic Risk between Eating Disorder and Substance Use-Related Phenotypes: Evidence from Genome-Wide Association Studies
Melissa A. Munn-Chernoff, E. Johnson, Yi-Ling Chou, J. Coleman +350 more
2020Addiction Biology50 citations Open access
Semantic Scholar
Reliability of triclosan measures in repeated urine samples from Norwegian pregnant women
R. Bertelsen, Stephanie M. Engel, T. Jusko, A. Calafat +9 more
2014Journal of Exposure Science and Environmental Epidemiology50 citations Open access
Semantic Scholar
Trauma Exposure and Axis I Psychopathology: A Co-twin Control Analysis in Norwegian Young Adults
Ruth C. Brown, Erin C Berenz, S. Aggen, C. Gardner +4 more
2014Psychological Trauma44 citations Open access
Semantic Scholar
Genetic and Environmental Contributions to Long-Term Sick Leave and Disability Pension: A Population-Based Study of Young Adult Norwegian Twins
L. Gjerde, G. Knudsen, N. Czajkowski, N. Gillespie +6 more
2013Twin Research and Human Genetics43 citations Open access
Semantic Scholar
Associations Between Personality Disorders and Cannabis Use and Cannabis Use Disorder: A Population-Based Twin Study
N. Gillespie, S. Aggen, M. Neale, G. Knudsen +7 more
2018Addiction42 citations Open access
Semantic Scholar
Genome-wide association study identifies eight risk loci and implicates metabo-psychiatric origins for anorexia nervosa
Hunna J. Watson, Zeynep Yilmaz, L. Thornton, Christopher Hübel +206 more
2019Nature Genetics39 citations Open access
Semantic Scholar
A longitudinal twin study of borderline and antisocial personality disorder traits in early to middle adulthood
T. Reichborn-Kjennerud, N. Czajkowski, E. Ystrøm, R. Ørstavik +8 more
2015Psychological Medicine39 citations Open access
Semantic Scholar
Childhood Trauma and Personality Disorder Criterion Counts: A Co-twin Control Analysis
Erin C Berenz, A. Amstadter, S. Aggen, G. Knudsen +3 more
2013Journal of Abnormal Psychology39 citations Open access
Semantic Scholar
Investigation of common, low-frequency and rare genome-wide variation in anorexia nervosa
L. Huckins, K. Hatzikotoulas, L. Southam, L. Thornton +52 more
2017Molecular Psychiatry37 citations Open access
Semantic Scholar
A Population Based Study of Help-seeking and Self-medication Among Trauma Exposed Individuals
Christina M. Sheerin, Erin C Berenz, G. Knudsen, T. Reichborn-Kjennerud +3 more
2016Psychology of Addictive Behaviors37 citations Open access
Semantic Scholar
Genetic and Environmental Contributions to the Association Between Cannabis Use and Psychotic-Like Experiences in Young Adult Twins
R. Nesvåg, T. Reichborn-Kjennerud, N. Gillespie, G. Knudsen +3 more
2016Schizophrenia bulletin36 citations Open access
Semantic Scholar
Substance use disorders and psychotic disorders in epilepsy: a population-based registry study.
I. Bakken, Eline Revdal, R. Nesvåg, E. Brenner +9 more
2014Epilepsy Research35 citations
Semantic Scholar
Genome-wide association study reveals a dynamic role of common genetic variation in infant and early childhood growth
Ø. Helgeland, Marc Vaudel, P. Júlíusson, O. Holmen +13 more
2018bioRxiv34 citations Open access
Semantic Scholar
Comparison of blood RNA isolation methods from samples stabilized in Tempus tubes and stored at a large human biobank
Jeanette Aarem, G. Brunborg, K. K. Aas, K. Harbak +4 more
2016BMC Research Notes32 citations Open access
Semantic Scholar
Longitudinal associations between social anxiety disorder and avoidant personality disorder: A twin study
F. Torvik, Audun Welander-Vatn, E. Ystrøm, G. Knudsen +3 more
2015Journal of Abnormal Psychology32 citations Open access
Semantic Scholar
Common Genetic Variation and Age of Onset of Anorexia Nervosa
Hunna J. Watson, L. Thornton, Zeynep Yilmaz, J. Baker +173 more
2021Biological Psychiatry Global Open Science30 citations Open access
Semantic Scholar
A Population Based Twin Study of DSM–5 Maladaptive Personality Domains
S. South, R. Krueger, G. Knudsen, E. Ystrøm +6 more
2017Personality disorders27 citations
Semantic Scholar
Prenatal phthalate exposures and executive function in preschool children
Giehae Choi, G. Villanger, Samantha S. M. Drover, A. Sakhi +11 more
2021Environment International26 citations Open access
Semantic Scholar
The association between personality disorders with alcohol use and misuse: A population-based twin study
Elizabeth C. Long, S. Aggen, M. Neale, G. Knudsen +9 more
2017Drug and Alcohol Dependence26 citations Open access
Semantic Scholar
Roadmap for a precision-medicine initiative in the Nordic region
P. Njølstad, O. Andreassen, S. Brunak, A. Børglum +27 more
2019Nature Genetics25 citations Open access
Semantic Scholar

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