Research groups
Research
http://www.uib.no/rg/ccns
Publications
Academic article
- Solberg, Berit Skretting; Posserud, Maj-Britt Rocio; Høberg, André et al. (2025). Sex differences in self-reported attention-deficit/hyperactivity disorder symptoms in clinical and population-based cohorts. (external link)
- Skjeldal, Ola; Posserud, Maj-Britt Rocio (2024). Autisme eller Sukharevas syndrom?. (external link)
- Instanes, Johanne Telnes; Solberg, Berit Skretting; Kvalvik, Liv Grimstvedt et al. (2024). Organic food consumption during pregnancy and symptoms of neurodevelopmental disorders at 8 years of age in the offspring: the Norwegian Mother, Father and Child Cohort Study (MoBa). (external link)
- Austgulen, Amalie; Posserud, Maj-Britt Rocio; Hysing, Mari et al. (2024). Deliberate self-harm in adolescents screening positive for attention-deficit / hyperactivity disorder: a population-based study. (external link)
- Loria, Marianna Ruiz; Groessing, Alexander; Guran, Alexandrina et al. (2023). Music for autism: a protocol for an international randomized crossover trial on music therapy for children with autism. (external link)
- Lundervold, Astri J.; Sørensen, Lin; Posserud, Maj-Britt Rocio et al. (2023). Low Persistence of Inattention Symptoms From Childhood to Adolescence: A Population-Based Study. (external link)
- Wergeland, Gro Janne Henningsen; Posserud, Maj-Britt Rocio; Fjermestad, Krister Westlye et al. (2022). Early Behavioral Interventions for Children and Adolescents With Autism Spectrum Disorder in Routine Clinical Care: A Systematic Review and Meta-Analysis. (external link)
- Bjelland, Ingvar; Posserud, Maj-Britt Rocio; Wergeland, Gro Janne Henningsen (2022). Dialogue based early detection—Development of a novel approach for detection of mental health problems among children in daycare centers. (external link)
- Banaschewski, Tobias J; Bruni, Oliviero; Fuentes, Joaquin et al. (2022). Practice Tools for Screening and Monitoring Insomnia in Children and Adolescents with Autism Spectrum Disorder. (external link)
- Posserud, Maj-Britt Rocio; Solberg, Berit Skretting; Engeland, Anders et al. (2021). Male to female ratios in autism spectrum disorders by age, intellectual disability and attention-deficit/hyperactivity disorder. (external link)
- Ahmad, Shaikh I.; Meza, Jocelyn I.; Posserud, Maj-Britt Rocio et al. (2021). Attention-deficit/hyperactivity disorder symptom dimensions differentially predict adolescent peer problems: Findings from two longitudinal studies. (external link)
- Schroder, Carmen M.; Banaschewski, Tobias; Fuentes, Joaquin et al. (2021). Pediatric prolonged-release melatonin for insomnia in children and adolescents with autism spectrum disorders. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri J.; Haavik, Jan et al. (2020). Validity and accuracy of the Adult Attention-Deficit/Hyperactivity Disorder (ADHD) Self-Report Scale (ASRS) and the Wender Utah Rating Scale (WURS) symptom checklists in discriminating between adults with and without ADHD. (external link)
- Helland, Wenche A; Posserud, Maj-Britt Rocio; Lundervold, Astri (2020). Emotional and behavioural function in children with language problems- a longitudinal, population- based study. (external link)
- Solberg, Berit Skretting; Zayats, Tetyana; Posserud, Maj-Britt Rocio et al. (2019). Patterns of psychiatric comorbidity and genetic correlations provide new insights into differences between attention-deficit/hyperactivity disorder and autism spectrum disorder. (external link)
- Løberg, Else-Marie; Gjestad, Rolf; Posserud, Maj-Britt Rocio et al. (2019). Psychosocial characteristics differentiate non-distressing and distressing voices in 10,346 adolescents. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2017). Prevalence and clinical correlates of insomnia in adults with attention-deficit hyperactivity disorder. (external link)
- Bjorvatn, Bjørn; Brevik, Erlend Joramo; Lundervold, Astri et al. (2017). Adults with attention deficit hyperactivity disorder report high symptom levels of troubled sleep, restless legs, and cataplexy. (external link)
- Bieleninik, Lucja; Posserud, Maj-Britt Rocio; Geretsegger, Monika et al. (2017). Tracing the temporal stability of autism spectrum diagnosis and severity as measured by the Autism Diagnostic Observation Schedule: A systematic review and meta-analysis. (external link)
- Lundervold, Astri; Hinshaw, Stephen P.; Sørensen, Lin et al. (2016). Co-occurring symptoms of attention deficit hyperactivity disorder (ADHD) in a population-based sample of adolescents screened for depression. (external link)
- Posserud, Maj-Britt Rocio; Hysing, Mari; Helland, Wenche A et al. (2016). Autism traits: The importance of “co-morbid” problems for impairment and contact with services. Data from the Bergen Child Study. (external link)
- Hysing, Mari; Lundervold, Astri; Posserud, Maj-Britt Rocio et al. (2016). Association between sleep problems and symptoms of attention deficit hyperactivity disorder in adolescence: results from a large population-based study. (external link)
- Lundervold, Astri; Stickert, Marte; Hysing, Mari et al. (2016). Attention deficits in children with combined autism and ADHD: A CPT study. (external link)
- Helland, Wenche Andersen; Posserud, Maj-Britt Rocio; Helland, Turid et al. (2016). Language Impairments in children With ADHD and in Children With Reading Disorder. (external link)
- Brevik, Erlend Joramo; Donkelaar, Marjolein M J van; Weber, Heike et al. (2016). Genome-wide analyses of aggressiveness in attention-deficit hyperactivity disorder. (external link)
- Brix, Maiken Kirkegaard; Ersland, Lars; Hugdahl, Kenneth et al. (2015). Brain MR spectroscopy in autism spectrum disorder—the GABA excitatory/inhibitory imbalance theory revisited. (external link)
- Kompus, Kristiina; Løberg, Else-Marie; Posserud, Maj-Britt Rocio et al. (2015). Prevalence of auditory hallucinations in Norwegian adolescents: Results from a population-based study. (external link)
- Halleland, Helene; Sørensen, Lin; Posserud, Maj-Britt Rocio et al. (2015). Occupational status is compromised in adults with ADHD and psychometrically defined executive function deficits. (external link)
- Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio et al. (2014). Autistic features in school age children: IQ and gender effects in a population-based cohort. (external link)
- Helland, Wenche A; Lundervold, Astri; Heimann, Mikael et al. (2014). Stable associations between behavioral problems and language impairments across childhood - The importance of pragmatic language problems. (external link)
- Posserud, Maj-Britt Rocio; Ullebø, Anne Karin; Plessen, Kerstin J. et al. (2014). Influence of assessment instrument on ADHD diagnosis. (external link)
- Andersson, Stein; Posserud, Maj-Britt Rocio; Lundervold, Astri (2013). Early and late auditory event-related potentials in cognitively high functioning male adolescents with autism spectrum disorder. (external link)
- Lundervold, Astri; Breivik, Kyrre; Posserud, Maj-Britt Rocio et al. (2013). Symptoms of depression as reported by Norwegian adolescents on the Short Mood and Feelings Questionnaire. (external link)
- Nordanger, Dag Øystein; Hysing, Mari; Posserud, Maj-Britt Rocio et al. (2013). Posttraumatic responses to the July 22, 2011 Oslo terror among Norwegian High School students. (external link)
- Posserud, Maj-Britt Rocio; Lundervold, Astri (2013). Mental health services use predicted by number of Mental health problems and gender in a total population study. (external link)
- Posserud, Maj-Britt Rocio; Breivik, Kyrre; Gillberg, Christopher et al. (2013). ASSERT - The Autism Symptom SElf-ReporT for adolescents and adults: Bifactor analysis and validation in a large adolescent population. (external link)
- Sivertsen, Børge; Posserud, Maj-Britt Roccio; Gillberg, Christopher et al. (2012). Sleep problems in children with autism spectrum problems: a longitudinal population-based study. (external link)
- Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio et al. (2012). Autism Spectrum Symptoms in Children with Neurological Disorders. (external link)
- Ullebø, Anne Karin; Breivik, Kyrre; Gillberg, Christopher. et al. (2012). The factor structure of ADHD in a general population of primary school children. (external link)
- Ullebø, Anne Karin; Posserud, Maj-Britt Roccio; Heiervang, Einar et al. (2012). Prevalence of the ADHD phenotype in 7- to 9-year-old children: effects of informant, gender and non-participation. (external link)
- Ullebø, Anne Karin; Posserud, Maj-Britt Roccio; Heiervang, Einar et al. (2011). Screening for the attention deficit hyperactivity disorder phenotype using the strength and difficulties questionnaire. (external link)
- Lundervold, Astri; Posserud, Maj-Britt Roccio; Ullebø, Anne Karin et al. (2011). Teacher reports of hypoactivity symptoms reflect slow cognitive processing speed in primary school children. (external link)
- Posserud, Maj-Britt; Lundervold, Astri; Lie, Stein Atle et al. (2010). The prevalence of autism spectrum disorders: impact of diagnostic instrument and non-response bias. (external link)
- Posserud, Maj-Britt; Lundervold, Astri; Gillberg, Christopher (2009). Validation of the Autism Spectrum Screening Questionnaire in a Total Population Sample. (external link)
- Lundervold, Astri Johansen; Posserud, Maj-Britt; Sørensen, Lin et al. (2008). Intellectual function in children with teacher-reported language problems. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Steijnen, Maaike Christine et al. (2008). Factor analysis of the Autism Spectrum Screening Questionnaire. (external link)
- Heiervang, Einar; Stormark, Kjell Morten; Lundervold, Astri Johansen et al. (2007). Psychiatric disorders in Norwegian 8-to 10-year-olds: An epidemiological survey of prevalence, risk factors, and service use. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Gillberg, Christopher (2006). Autistic features in a total population of 7-9-year-old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire). (external link)
Poster
- Dyresen, Agnete; Fjermestad, Krister Westlye; Kodal, Arne et al. (2025). The Role of Externalizing Symptoms on Long-term Treatment Outcomes in Youth with Anxiety Disorders. (external link)
- Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Alsaker, Sissel et al. (2023). Enabling parents of children with autism spectrum disorders – a randomized controlled trial of parenting programs. (external link)
- Brechan-Skjetne, Gunn Karin; Sæther, Rannei; Bjørknes, Ragnhild et al. (2023). Parental stress in parents of children with autism spectrum disorders (ASD). Preliminary baselinedata from the Norwegian ENACT study: Enabling parents of children with ASD - a randomized controlled trial of parenting programs.. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Haavik, Jan et al. (2016). The factor structure and screening properties of the Wender Utah Rating Scale (WURS) and the Adult ADHD Self-Report Scale (ASRS). (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomni hos voksne pasienter med ADHD – betydningen av symptomdomener og farmakologisk behandling. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomnia in adult ADHD patients. Role of clinical subtypes and stimulant treatment. (external link)
- Helland, Wenche A; Posserud, Maj-Britt Rocio; Helland, Turid et al. (2013). Language impairment in children with ADHD and in chuildren with RD. (external link)
- Helland, Wenche Andersen; Posserud, Maj-Britt Rocio; Helland, Turid et al. (2012). Language impairments in children with ADHD and in children with reading disoders. (external link)
- Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio et al. (2011). Autism spectrum symptoms in children with neurological disorders: the usefulness of the Autism Spectrum Screening Questionnaire (ASSQ). (external link)
- Lundervold, Astri; Strickert, Marthe; Hysing, Mari et al. (2011). CONNERSʼ CPT-II PERFORMANCE IN CHILDREN WITH COMORBID AUTISM SPECTRUM AND ATTENTION DEFICIT HYPERACTIVITY DISORDER. (external link)
- Andersson, Stein; Posserud, Maj-Britt Rocio; Lundervold, Astri (2011). N170 LATERALIZATION IN HIGH FUNCTIONING MALE ADOLESCENT AUTISM SPECTRUM DISORDER. (external link)
- Lundervold, Astri; Ullebø, Anne Karin; Posserud, Maj-Britt et al. (2007). Sluggish cognitive tempo in children with externalizing and internalizing disorders. (external link)
- Lundervold, Astri Johansen; Sørensen, Lin; Posserud, Maj-Britt (2006). Intellectual, behavioural and emotional function among children with teacher reports of language impairment. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Steijnen, Maaike et al. (2005). Factoranalysis of ASSQ - the high functioning Autism Spectrum Screening Questionnaire. (external link)
- Posserud, Maj-Britt; Steijnen, Maaike; Verhoeven, Sophie et al. (2004). Factoranalysis of ASSQ - the high functioning Autism Spectrum Screening Questionnaire. (external link)
- Posserud, Maj-Britt (2003). Assq in the Bergen Child Study. (external link)
Reader opinion piece
Academic literature review
Academic lecture
- Helland, Wenche Andersen; Posserud, Maj-Britt Rocio; Lundervold, A.J. (2022). Helland, WA: Emotional and behavioural function in children with language problems-a longitudinal, population-based study. Psykisk helse hos barn med språkforstyrrelser. (external link)
- Solberg, Berit Skretting; Zayats, Tetyana; Posserud, Maj-Britt Rocio et al. (2018). Psychiatric comorbidities in adults with ADHD and/or autism: Can patterns of comorbidities together with genetics add knowledge on etiologic relations?. (external link)
- Solberg, Berit Skretting; Zayats, Tetyana; Posserud, Maj-Britt Rocio et al. (2018). Psychiatric comorbidity and genetic correlations provide new insights into differences between ADHD and autism. (external link)
- Solberg, Berit Skretting; Zayats, Tetyana; Posserud, Maj-Britt Rocio et al. (2018). Psychiatric comorbidity and genetic correlations provide new insights into differences between ADHD and autism. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomnia in adults with ADHD: impact of clinical subtype and pharmacological treatment. (external link)
- Brevik, Erlend Joramo; Lundervold, Astri; Haavik, Jan et al. (2016). The factor structure and screening properties of the Wender Utah Rating Scale (WURS) and the Adult ADHD Self-Report Scale (ASRS). (external link)
- Helland, Wenche A; Lundervold, Astri; Posserud, Maj-Britt Rocio et al. (2013). Language disorders inn children with ADHD and children with reading disorder. (external link)
- Nordanger, Dag Øystein; Hysing, Mari; Posserud, Maj-Britt Rocio et al. (2013). Posttraumatic responses to the 22nd of July 2011 Oslo Terror among Norwegian high school students. (external link)
- Helland, Wenche Andersen; Helland, Turid; Posserud, Maj-Britt Rocio et al. (2012). Language profiles and mental health problems in children with specific language impairment and children with ADHD. (external link)
- Posserud, Maj-Britt Rocio (2011). Girls and Women with ESSENCE. (external link)
- Posserud, Maj-Britt Rocio (2011). Black or White? Or Grey? The categorical diagnosis versus the dimensional symptom. (external link)
- Posserud, Maj-Britt Rocio (2011). Autism and ADHD - is there an overlap?. (external link)
- Posserud, Maj-Britt Rocio (2011). Essence au feminin. (external link)
- Posserud, Maj-Britt (2008). Defining autism spectrum disorders: issues of core symptomatology and comorbidity. (external link)
- Posserud, Maj-Britt (2008). The prevalence of autism spectrum disorders.Impact of diagnostic instrument and non-response bias. (external link)
- Posserud, Maj-Britt (2005). Intervju av barn - erfaringer fra Barn i Bergen studien. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Gillberg, Christopher (2005). Autism Spectrum Disorder in the Bergen Child Study A study in three phases. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Gillberg, Christopher (2004). Biological Markers In Autism. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Gillberg, Christopher (2004). Autistic features in a total population of 7-9 year old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire). (external link)
- Posserud, Maj-Britt; Steijnen, Maaike; Verhoeven, Sophie et al. (2004). Factor analysis of ASSQ and correlation with SDQ social subscales. (external link)
- Posserud, Maj-Britt; Lundervold, Astri Johansen; Gillberg, Christopher (2003). Frequency and impact of autistic symptoms. (external link)
- Heiervang, Einar; Stormark, Kjell Morten; Lundervold, Astri Johansen et al. (2003). A longitudinal study of child mental health in Norway. (external link)
- Posserud, Maj-Britt (2003). Major Social Impairment among Children in Bergen. (external link)
- Posserud, Maj-Britt (2003). Assq i Barn i Bergen. (external link)
- Posserud, Maj-Britt; Sørensen, Lin (2003). Hvor er jentene? Tidlig identifikasjon av psykiske vansker hos barn. (external link)
Popular scientific article
- Brevik, Erlend J.; Lundervold, Astri J.; Haavik, Jan et al. (2020). Validitet og diagnostisk treffsikkerhet ved bruk av screeningverktøy for ADHD hos voksne. (external link)
- Mössler, Karin; Posserud, Maj-Britt Rocio; Braarud, Hanne Cecilie (2013). Tullespråk er godt for babyer. (external link)
- Posserud, Maj-Britt Rocio (2011). Fordeler og ulemper ved å få en diagnose. (external link)
- Posserud, Maj-Britt Rocio (2011). Diagnostikk og utbredelse av autismetilstander. (external link)
- Posserud, Maj-Britt Rocio (2011). Hva er autisme?. (external link)
Doctoral dissertation
- Brevik, Erlend Joramo; Lundevold, A; Haavik, Jan et al. (2018). Adult Attention Deficit Hyperactivity Disorder. Beyond the Core Symptoms of the Diagnostic and Statistical Manual of Mental Disorders. (external link)
- Posserud, Maj-Britt (2008). Epidemiology of Autism Spectrum Disorders. (external link)
- Posserud, Maj-Britt; Gillberg, Christopher; Lundervold, Astri (2008). Epidemiology of Autism Spectrum Disorders. (external link)
Lecture
- Solberg, Berit Skretting; Posserud, Maj-Britt Rocio (2017). Fra uforskammet og vanartet til bokstavbarn - ADHD og autisme i dagens skole. (external link)
- Bieleninik, Lucja; Geretsegger, Monika; Posserud, Maj-Britt Rocio et al. (2016). Tracing the temporal stability of autism spectrum diagnosis and severity using ADOS: a systematic review and meta-analysis. (external link)
- Lundervold, Astri Johansen; Sørensen, Lin; Posserud, Maj-Britt (2005). Konsentrasjonsvansker hos barn. (external link)
- Posserud, Maj-Britt (2004). Psykiske vansker hos barn. (external link)
Feature article
Programme participation
Projects