• Attention-deficit hyperactivity disorder shares copy number variant risk with schizophrenia and autism spectrum disorder 

      Gudmundsson, Ólafur Ó.; Walters, Gudmundur Bragi; Ingason, Andrés; Johansson, Stefan; Zayats, Tetyana; Athanasiu, Lavinia; Sønderby, Ida Elken; Gustafsson, Omar; Nawaz, Muhammad Sulaman; Jónsson, Gudbjörn F.; Jónsson, Lina; Knappskog, Per; Ingvarsdóttir, Ester; Davidsdóttir, Katrin; Djurovic, Srdjan; Knudsen, Gun Peggy Strømstad; Askeland, Ragna Bugge; Haraldsdóttir, Gyda S.; Baldursson, Gísli; Magnússon, Páll; Sigurdsson, Engilbert; Gudbjartsson, Daníel Fannar; Stéfansson, Hreinn; Andreassen, Ole Andreas; Haavik, Jan; Reichborn-Kjennerud, Ted; Stefánsson, Kári (Peer reviewed; Journal article, 2019)
    • Identification of genetic loci shared between ADHD, intelligence and educational attainment 

      O`Connell, Kevin; Shadrin, Alexey A.; Smeland, Olav Bjerkehagen; Bahrami, Shahram; Frei, Oleksandr; Bettella, Francesco; Krull, Florian; Fan, Chun C.; Askeland, Ragna Bugge; Knudsen, Gun Peggy Strømstad; Halmøy, Anne; Steen, Nils Eiel; Ueland, Torill; Walters, Bragi; Davíðsdóttir, Katrín; Haraldsdóttir, Gyda S.; Guðmundsson, Ólafur; Stefansson, Hreinn; Reichborn-Kjennerud, Ted; Haavik, Jan; Dale, Anders M.; Stefánsson, Kári; Djurovic, Srdjan; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2019)
    • Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder 

      O`Connell, Kevin; Shadrin, Alexey A.; Bahrami, Shahram; Smeland, Olav Bjerkehagen; Bettella, Francesco; Frei, Oleksandr; Krull, Florian; Askeland, Ragna Bugge; Walters, Bragi; Davíðsdóttir, Katrín; Haraldsdóttir, Gyða; Guðmundsson, Ólafur; Stefánsson, Hreinn; Fan, Chun C.; Steen, Nils Eiel; Reichborn-Kjennerud, Ted; Dale, Anders; Stefánsson, Kári; Djurovic, Srdjan; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2019)
      Differential diagnosis between childhood onset attention-deficit/hyperactivity disorder (ADHD) and bipolar disorder (BD) remains a challenge, mainly due to overlapping symptoms and high rates of comorbidity. Despite this, ...
    • Loss-of-function variants in ABCA7 confer risk of Alzheimer’s disease 

      Steinberg, Stacy; Stefansson, Hreinn; Jonsson, Thorlakur; Johannsdottir, Hrefna; Ingason, Andrés; Helgason, Hannes; Sulem, Patrick; Magnusson, Olafur Th; Gudjunsson, Sigurjon A; Unnsteinsdottir, Unnur; Kong, Augustine; Helisalmi, Seppo; Soininen, Hilkka; Lah, James J; Aarsland, Dag; Fladby, Tormod; Ulstein, Ingun; Djurovic, Srdjan; Sando, Sigrid Botne; White, Linda; Knudsen, Gun Peggy; Westlye, Lars Tjelta; Selbæk, Geir; Giegling, Ina; Hampel, Harald; Hiltunen, Mikko; Levey, AIlan I.; Andreassen, Ole Andreas; Rujescu, Dan; Jonsson, Palmi V.; Bjornsson, Sigurbjorn; Snaedal, Jon; Stefánsson, Kári (Journal article, 2015)
      We conducted a search for rare, functional variants altering susceptibility to Alzheimer’s disease that exploited knowledge of common variants associated with the same disease. We found that loss-of-function variants in ...