|Psychiatric disorders in Norwegian 8-to 10-year-olds: an epidemiological survey of prevalence, risk factors, and service use|
E Heiervang, KM Stormark, AJ Lundervold, M Heimann, R Goodman, ...
Journal of the American Academy of Child & Adolescent Psychiatry 46 (4), 438-447, 2007
|Autistic features in a total population of 7–9‐year‐old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire)|
MB Posserud, AJ Lundervold, C Gillberg
Journal of Child Psychology and Psychiatry 47 (2), 167-175, 2006
|Sleep problems in children with autism spectrum problems: a longitudinal population-based study|
B Sivertsen, MB Posserud, C Gillberg, AJ Lundervold, M Hysing
Autism 16 (2), 139-150, 2012
|The prevalence of autism spectrum disorders: impact of diagnostic instrument and non-response bias|
M Posserud, AJ Lundervold, SA Lie, C Gillberg
Social psychiatry and psychiatric epidemiology 45 (3), 319-327, 2010
|Validation of the autism spectrum screening questionnaire in a total population sample|
MB Posserud, AJ Lundervold, C Gillberg
Journal of Autism and Developmental Disorders 39 (1), 126-134, 2009
|Stable associations between behavioral problems and language impairments across childhood–The importance of pragmatic language problems|
WA Helland, AJ Lundervold, M Heimann, MB Posserud
Research in developmental disabilities 35 (5), 943-951, 2014
|Symptoms of depression as reported by Norwegian adolescents on the Short Mood and Feelings Questionnaire|
AJ Lundervold, K Breivik, MB Posserud, KM Stormark, M Hysing
Frontiers in psychology 4, 613, 2013
|Prevalence of the ADHD phenotype in 7-to 9-year-old children: effects of informant, gender and non-participation|
AK Ulleb°, MB Posserud, E Heiervang, C Obel, C Gillberg
Social psychiatry and psychiatric epidemiology 47 (5), 763-769, 2012
|Screening for the attention deficit hyperactivity disorder phenotype using the strength and difficulties questionnaire|
AK Ulleb°, MB Posserud, E Heiervang, C Gillberg, C Obel
European child & adolescent psychiatry 20 (9), 451-458, 2011
|Association between sleep problems and symptoms of attention deficit hyperactivity disorder in adolescence: results from a large population-based study|
M Hysing, AJ Lundervold, MB Posserud, B Sivertsen
Behavioral sleep medicine 14 (5), 550-564, 2016
|Tracing the temporal stability of autism spectrum diagnosis and severity as measured by the Autism Diagnostic Observation Schedule: A systematic review and meta-analysis|
Ł Bieleninik, MB Posserud, M Geretsegger, G Thompson, C Elefant, ...
PLoS One 12 (9), e0183160, 2017
|Language impairments in children with ADHD and in children with reading disorder|
WA Helland, MB Posserud, T Helland, M Heimann, AJ Lundervold
Journal of Attention Disorders 20 (7), 581-589, 2016
|The factor structure of ADHD in a general population of primary school children|
AK Ulleb°, K Breivik, C Gillberg, AJ Lundervold, MB Posserud
Journal of Child Psychology and Psychiatry 53 (9), 927-936, 2012
|Factor analysis of the autism spectrum screening questionnaire|
MB Posserud, AJ Lundervold, MC Steijnen, S Verhoeven, KM Stormark, ...
Autism 12 (1), 99-112, 2008
|Prevalence and clinical correlates of insomnia in adults with attention‐deficit hyperactivity disorder|
EJ Brevik, AJ Lundervold, A Halm°y, MB Posserud, JT Instanes, ...
Acta Psychiatrica Scandinavica 136 (2), 220-227, 2017
|Brain MR spectroscopy in autism spectrum disorder—the GABA excitatory/inhibitory imbalance theory revisited|
MK Brix, L Ersland, K Hugdahl, R GrŘner, MB Posserud, ┼ Hammar, ...
Frontiers in human neuroscience 9, 365, 2015
|Autism traits: The importance of “co-morbid” problems for impairment and contact with services. Data from the Bergen Child Study|
M Posserud, M Hysing, W Helland, C Gillberg, AJ Lundervold
Research in developmental disabilities 72, 275-283, 2018
|Attention deficits in children with combined autism and ADHD: a CPT study|
AJ Lundervold, M Stickert, M Hysing, L S°rensen, C Gillberg, ...
Journal of attention disorders 20 (7), 599-609, 2016
|Influence of assessment instrument on ADHD diagnosis|
MB Posserud, AK Ulleb°, KJ Plessen, KM Stormark, C Gillberg, ...
European child & adolescent psychiatry 23 (4), 197-205, 2014
|Genome‐wide analyses of aggressiveness in attention‐deficit hyperactivity disorder|
EJ Brevik, MMJ van Donkelaar, H Weber, C Sßnchez‐Mora, C Jacob, ...
American Journal of Medical Genetics Part B: Neuropsychiatric Genetics 171á…, 2016