Blar i Bergen Open Research Archive på forfatter "Posserud, Maj-Britt Rocio"
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Adults with attention deficit hyperactivity disorder report high symptom levels of troubled sleep, restless legs, and cataplexy
Bjorvatn, Bjørn; Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne; Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Haavik, Jan (Peer reviewed; Journal article, 2017-09-20)Objective: To compare the occurrence of a spectrum of different self-reported sleep problems in adults with ADHD and a control group, and to study the impact of current ADHD medication use and clinical ADHD subtype. Method: ... -
ASSERT - The Autism Symptom SElf-ReporT for adolescents and adults: Bifactor analysis and validation in a large adolescent population
Posserud, Maj-Britt Rocio; Breivik, Kyrre; Gillberg, Christopher; Lundervold, Astri (Peer reviewed; Journal article, 2013-12)With a view to developing a brief screening instrument for autism symptoms in a general population of adolescents, seven items from the Asperger syndrome (and high-functioning autism) diagnostic interview were adapted for ... -
Attention-Deficit/Hyperactivity Disorder Symptom Dimensions Differentially Predict Adolescent Peer Problems: Findings From Two Longitudinal Studies
Ahmad, Shaikh I.; Meza, Jocelyn I.; Posserud, Maj-Britt Rocio; Brevik, Erlend Joramo; Hinshaw, Stephen P.; Lundervold, Astri J. (Journal article; Peer reviewed, 2021)Introduction: Previous findings that inattention (IA) and hyperactive/impulsive (HI) symptoms predict later peer problems have been mixed. Utilizing two culturally diverse samples with shared methodologies, we assessed the ... -
Autism spectrum symptoms in children with neurological disorders
Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio; Gillberg, Christopher; Lundervold, Astri Johansen (Peer reviewed; Journal article, 2012-11-12)Background: The aims of the present study were to assess symptoms associated with an autism spectrum disorder (ASD) in children with neurological disorders as reported by parents and teachers on the Autism Spectrum Screening ... -
Autistic features in school age children: IQ and gender effects in a population-based cohort
Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio; Gillberg, Christopher; Lundervold, Astri (Peer reviewed; Journal article, 2014-03)Level and characteristics of intellectual function (IQ) have been associated with symptom presentation in children with autism spectrum disorder. The present study examined associations between IQ and autistic features in ... -
Changes in Tryptophan-Kynurenine Metabolism in Patients with Depression Undergoing ECT - A Systematic Review
Aarsland, Tore Ivar Malmei; Instanes, Johanne Telnes; Posserud, Maj-Britt Rocio; Ulvik, Arve; Kessler, Ute; Haavik, Jan (Journal article; Peer reviewed, 2022)The kynurenine pathway of tryptophan (Trp) metabolism generates multiple biologically active metabolites (kynurenines) that have been implicated in neuropsychiatric disorders. It has been suggested that modulation of ... -
Co-occurring symptoms of attention deficit hyperactivity disorder (ADHD) in a population-based sample of adolescents screened for depression
Lundervold, Astri; Hinshaw, Stephen P.; Sørensen, Lin; Posserud, Maj-Britt Rocio (Peer reviewed; Journal article, 2016-02-25)Background: Depression is common in adolescents, with a gender bias towards girls. Symptoms associated with attention deficit hyperactivity disorder (ADHD) tend to co-occur in depressed adolescents. This may be related to ... -
Deliberate self-harm in adolescents screening positive for attention-deficit / hyperactivity disorder: a population-based study
Austgulen, Amalie; Posserud, Maj-Britt Rocio; Hysing, Mari; Haavik, Jan; Lundervold, Astri J. (Journal article; Peer reviewed, 2024)Background Adolescents with attention-deficit / hyperactivity disorder (ADHD) have an increased risk of self-harm. The risk of self-harm among adolescents who display an elevated level of ADHD symptoms, but without a formal ... -
Dialogue Based Early Detection—Development of a Novel Approach for Detection of Mental Health Problems Among Children in Daycare Centers
Bjelland, Ingvar; Posserud, Maj-Britt Rocio; Wergeland, Gro Janne Henningsen (Journal article; Peer reviewed, 2022)Background: Among 1–7 years old children the worldwide prevalence of mental disorders is ~20%. Without treatment, the prognosis of such disorders in children is poor. Early intervention is estimated to result in a positive ... -
Early Behavioral Interventions for Children and Adolescents With Autism Spectrum Disorder in Routine Clinical Care: A Systematic Review and Meta-Analysis
Wergeland, Gro Janne Henningsen; Posserud, Maj-Britt Rocio; Fjermestad, Krister Westlye; Njardvik, Urdur; Öst, Lars Gøran (Journal article; Peer reviewed, 2022)The current paper systematically reviews and meta-analyses the effectiveness of early behavioral interventions (BI) for children with autism spectrum disorder (ASD) in routine clinical care. The effectiveness of BI, ... -
Emotional and behavioural function in children with language problems- a longitudinal, population- based study
Helland, Wenche A; Posserud, Maj-Britt Rocio; Lundervold, Astri (Journal article; Peer reviewed, 2022)This longitudinal, population-based study investigated associations between language problems (LP) and emotional and behavioural difficulties (EBD). Parents and teachers gave information about LP and EBD when the children ... -
Genome-wide analyses of aggressiveness in attention-deficit hyperactivity disorder
Brevik, Erlend Joramo; van Donkelaar, Marjolein M J; Weber, Heike; Sanchez-Mora, Cristina; Jacob, Christian; Rivero, Olga; Kittel-Schneider, Sarah; Garcia-Martinez, Iris; Aebi, Marcel; van Hulzen, Kimm; Cormand, Bru; Ramos-Quiroga, Josep A; Lesch, Klaus-Peter; Reif, Andreas; Ribases, Marta; Franke, Barbara; Posserud, Maj-Britt Rocio; Johansson, Stefan; Lundervold, Astri; Haavik, Jan; Zayats, Tetyana (Peer reviewed; Journal article, 2016-03-29)Aggressiveness is a behavioral trait that has the potential to be harmful to individuals and society. With an estimated heritability of about 40%, genetics is important in its development. We performed an exploratory ... -
Low Persistence of Inattention Symptoms From Childhood to Adolescence: A Population-Based Study
Lundervold, Astri J.; Sørensen, Lin; Posserud, Maj-Britt Rocio; Hysing, Mari (Journal article; Peer reviewed, 2023)Objective: To investigate the persistence of dimensional measures of inattention in a population-based, gender-balanced sample of adolescents with parent reports of inattention from childhood and self-reports of inattention ... -
Mental health services use predicted by number of mental health problems and gender in a total population study
Posserud, Maj-Britt Rocio; Lundervold, Astri (Peer reviewed; Journal article, 2013)We examined the relationship between service use and the number of problem areas as reported by parents and teachers on questionnaires among children aged 7–9 years old in the Bergen Child Study, a total population study ... -
Music for autism: a protocol for an international randomized crossover trial on music therapy for children with autism
Loria, Marianna Ruiz; Groessing, Alexander; Guran, Alexandrina; Koçan, Asena U.; Mikus, Nace; Nater, Urs M.; Kouwer, Karlijn; Posserud, Maj-Britt Rocio; Salomon-Gimmon, Maayan; Todorova, Boryana; Wagner, Isabella C.; Gold, Christian; Silani, Giorgia; Specht, Karsten (Journal article; Peer reviewed, 2023)The notion of a connection between autism and music is as old as the first reported cases of autism, and music has been used as a therapeutic tool for many decades. Music therapy holds promise as an intervention for ... -
Occupational Status Is Compromised in Adults With ADHD and Psychometrically Defined Executive Function Deficits
Halleland, Helene Barone; Sørensen, Lin; Posserud, Maj-Britt Rocio; Haavik, Jan; Lundervold, Astri Johansen (Journal article, 2014-09)Objective: Problems related to executive function (EF) are frequently reported in adults with ADHD. However, only a subgroup of patients show deficits on common neuropsychological tests designed to measure EF. We investigated ... -
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)
Instanes, Johanne Telnes; Solberg, Berit Skretting; Kvalvik, Liv Grimstvedt; Klungsøyr, Kari; Posserud, Maj-Britt Rocio; Hartman, Catharina A.; Haavik, Jan (Journal article; Peer reviewed, 2024)Background Partially driven by public concerns about modern food production practices, organic food has gained popularity among consumers. However, the impact of organic food consumption during pregnancy on offspring ... -
Patterns of psychiatric comorbidity and genetic correlations provide new insights into differences between attention-deficit/hyperactivity disorder and autism spectrum disorder
Solberg, Berit Skretting; Zayats, Tetyana; Posserud, Maj-Britt Rocio; Halmøy, Anne; Engeland, Anders; Haavik, Jan; Klungsøyr, Kari (Peer reviewed; Journal article, 2019-04-28)Background Attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) share common genetic factors but seem to have specific patterns of psychiatric comorbidities. There are few systematic studies ... -
Pediatric prolonged-release melatonin for insomnia in children and adolescents with autism spectrum disorders
Schroder, Carmen M.; Banaschewski, Tobias; Fuentes, Joaquin; Hill, Catherine Mary; Hvolby, Allan; Posserud, Maj-Britt Rocio; Bruni, Oliviero (Journal article; Peer reviewed, 2021)Introduction: Insomnia is common among children and adolescents with Autism spectrum disorder (ASD). The first drug licensed for insomnia in this population, a pediatric-appropriate prolonged-release melatonin (PedPRM) ... -
Practice Tools for Screening and Monitoring Insomnia in Children and Adolescents with Autism Spectrum Disorder
Banaschewski, Tobias J; Bruni, Oliviero; Fuentes, Joaquin; Hill, Catherine Mary; Hvolby, Allan; Posserud, Maj-Britt Rocio; Schroder, Carmen M. (Journal article; Peer reviewed, 2022)Between 50–80% of children with autism spectrum disorder (ASD) have insomnia, which adversely affects their mental and physical health. However, there is no consensus to-date on suitable tools for insomnia screening and ...