User profiles for Jan Haavik

Jan Haavik

University of Bergen
Verified email at biomed.uib.no
Cited by 22216

[HTML][HTML] The world federation of ADHD international consensus statement: 208 evidence-based conclusions about the disorder

…, M Fitzgerald, B Franke, M Gerlach, J Haavik… - Neuroscience & …, 2021 - Elsevier
Background Misconceptions about ADHD stigmatize affected people, reduce credibility of
providers, and prevent/delay treatment. To challenge misconceptions, we curated findings with …

Discovery of the first genome-wide significant risk loci for attention deficit/hyperactivity disorder

…, J Gelernter, D Geschwind, H Hakonarson, J Haavik… - Nature …, 2019 - nature.com
Attention deficit/hyperactivity disorder (ADHD) is a highly heritable childhood behavioral
disorder affecting 5% of children and 2.5% of adults. Common genetic variants contribute …

Consortium neuroscience of attention deficit/hyperactivity disorder and autism spectrum disorder: The ENIGMA adventure

…, T Frodl, L Gallagher, EH Grevet, J Haavik… - Human brain …, 2022 - Wiley Online Library
Neuroimaging has been extensively used to study brain structure and function in individuals
with attention deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) …

Subcortical brain volume differences in participants with attention deficit hyperactivity disorder in children and adults: a cross-sectional mega-analysis

…, A Reif, P Pauli, TL Jernigan, J Haavik… - The Lancet …, 2017 - thelancet.com
Background Neuroimaging studies have shown structural alterations in several brain regions
in children and adults with attention deficit hyperactivity disorder (ADHD). Through the …

[PDF][PDF] Genomic relationships, novel loci, and pleiotropic mechanisms across eight psychiatric disorders

…, J Elia, J Grove, OO Gudmundsson, J Haavik… - Cell, 2019 - cell.com
Genetic influences on psychiatric disorders transcend diagnostic boundaries, suggesting
substantial pleiotropy of contributing loci. However, the nature and mechanisms of these …

[HTML][HTML] The genetics of attention deficit/hyperactivity disorder in adults, a review

…, E Mick, EH Grevet, S Johansson, J Haavik… - Molecular …, 2012 - nature.com
The adult form of attention deficit/hyperactivity disorder (aADHD) has a prevalence of up to 5%
and is the most severe long-term outcome of this common neurodevelopmental disorder. …

Occupational outcome in adult ADHD: impact of symptom profile, comorbid psychiatric problems, and treatment: a cross-sectional study of 414 clinically diagnosed …

…, OB Fasmer, C Gillberg, J Haavik - Journal of attention …, 2009 - journals.sagepub.com
Objective: To determine the effects of symptom profile, comorbid psychiatric problems, and
treatment on occupational outcome in adult ADHD patients. Method: Adult ADHD patients (N …

The negative impact of attention-deficit/hyperactivity disorder on occupational health in adults and adolescents

T Küpper, J Haavik, H Drexler… - International archives of …, 2012 - Springer
Purpose To review the negative effects of attention-deficit/hyperactivity disorder (ADHD) in
adolescence and adulthood on work productivity and occupational health. Methods A review …

[HTML][HTML] Live fast, die young? A review on the developmental trajectories of ADHD across the lifespan

…, B Cormand, SV Faraone, Y Ginsberg, J Haavik… - European …, 2018 - Elsevier
Attention-deficit/hyperactivity disorder (ADHD) is highly heritable and the most common
neurodevelopmental disorder in childhood. In recent decades, it has been appreciated that in a …

Brain imaging of the cortex in ADHD: a coordinated analysis of large-scale clinical and population-based samples

…, YN Yoncheva, J Haavik… - American Journal of …, 2019 - Am Psychiatric Assoc
Objective: Neuroimaging studies show structural alterations of various brain regions in children
and adults with attention deficit hyperactivity disorder (ADHD), although nonreplications …