Blar i Bergen Open Research Archive på forfatter "Brevik, Erlend Joramo"
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Adult Attention Deficit Hyperactivity Disorder. Beyond the Core Symptoms of the Diagnostic and Statistical Manual of Mental Disorders
Brevik, Erlend Joramo (Doctoral thesis, 2018-02-06)Background/Introduction: Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent condition in both children (estimated prevalence of about 5%) and adults (estimated prevalence of about 3%). ADHD is characterized by ... -
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: ... -
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 ... -
Fluid Intelligence in a Norwegian Sample of Middle-Aged and Older Adults
Brevik, Erlend Joramo (Master thesis, 2012-11-25)Based on results from earlier studies, fluid intelligence (Gf) is expected to decline with age and symptoms of depression, while crystallized intelligence (Gc) is expected to remain stable. Gf is expected to show a relation ... -
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 ... -
Prevalence and clinical correlates of insomnia in adults with attention-deficit hyperactivity disorder
Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne; Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Bjorvatn, Bjørn; Haavik, Jan (Peer reviewed; Journal article, 2017-08)Objective: To investigate the prevalence of insomnia in adults with Attention-deficit hyperactivity disorder (ADHD) and its association with clinical subtypes, current ADHD symptoms, and stimulant treatment. Method: We ... -
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
Brevik, Erlend Joramo; Lundervold, Astri J.; Haavik, Jan; Posserud, Maj-Britt Rocio (Journal article; Peer reviewed, 2020)Objective To validate the Adult ADHD Self‐Report Scale (ASRS) and the Wender Utah Rating Scale (WURS) in a well‐characterized sample of adult attention‐deficit/hyperactivity disorder (ADHD) patients and population ...