- E-mailkristian.sommerfelt@uib.no
- Visitor AddressHaukeland universitetssykehus, Laboratoriebygget5009 Bergen
- Postal AddressPostboks 78045020 Bergen
Academic article
- (2023). Severe and Very Severe Myalgic Encephalopathy/Chronic Fatigue Syndrome ME/CFS in Norway: Symptom Burden and Access to Care. Journal of Clinical Medicine.
- (2021). A map of metabolic phenotypes in patients with myalgic encephalomyelitis/chronic fatigue syndrome. JCI Insight. 1-19.
- (2019). Development and predictors of childhood mental health problems in former extremely preterm infants. Early Human Development. 44-49.
- (2017). Mental health assessed by the Strengths and Difficulties Questionnaire for children born extremely preterm without severe disabilities at 11 years of age: a Norwegian, national population-based study. European Child and Adolescent Psychiatry. 1-9.
- (2016). Metabolic profiling indicates impaired pyruvate dehydrogenase function in myalgic encephalopathy/chronic fatigue syndrome. JCI Insight.
- (2016). Mental Health in Children Born Extremely Preterm Without Severe Neurodevelopmental Disabilities. Pediatrics.
- (2015). Minor neurodevelopmental impairments are associated with increased occurrence of ADHD symptoms in children born extremely preterm. European Child and Adolescent Psychiatry. 463-470.
- (2015). Foetal Doppler abnormality is associated with increased risk of sepsis and necrotising enterocolitis in preterm infants. Acta Paediatrica. 368-376.
- (2013). Foetal umbilical artery Doppler in small preterms: (IQ) Neurocognitive outcome at 5 years of age. Acta Paediatrica. 403-409.
- (2012). Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: A Norwegian national cohort study. Acta Paediatrica. 264-270.
- (2011). Prediction of Neurodevelopmental and Sensory Outcome at 5 Years in Norwegian Children Born Extremely Preterm. Pediatrics. E630-E638.
- (2010). Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants. Early Human Development. 581-586.
- (2010). Growth and somatic health until adulthood of low birthweight children. Archives of Disease in Childhood: Fetal and Neonatal Edition. F201-F205.
- (2009). Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study. Archives of Disease in Childhood: Fetal and Neonatal Edition. F363-F367.
- (2008). The combined burden of cognitive, executive function, and psychosocial problems in children with epilepsy: a population-based study. Developmental Medicine & Child Neurology. 530-536.
- (2006). Psychosocial problems and seizure-related factors in children with epilepsy. Developmental Medicine & Child Neurology. 213-219.
- (2006). Maternal signs of chorioamnionitis: Persistent cognitive impairment in low-birthweight children. Acta Paediatrica. 231-235.
- (2006). Executive functions and seizure-related factors in children with epilepsy in western Norway. Developmental Medicine & Child Neurology. 519-525.
- (2006). Co-existing symptoms and risk factors among African school children with hyperactivity-inattention symptoms in Kinshasa, Congo. European Child and Adolescent Psychiatry. 292-299.
- (2005). Teacher ratings of mental health among school children in Kinshasa, Democratic Republic of Congo. European Child and Adolescent Psychiatry. 208-215.
- (2005). Shunt revisions in children - can they be avoided? Experiences from a population-based study. Pediatric Neurosurgery. 300-304.
- (2005). Seizure-related factors and non-verbal intelligence in children with epilepsy - A population-based study from Western Norway. Seizure. 223-231.
- (2005). Cognition in African children with attention-deficit hyperactivity disorder. Pediatric Neurology. 357-364.
- (2005). Attention deficit and hyperactivity disorder among school children in Kinshasa, Democratic Republic of Congo. African Health Sciences. 172-181.
- (2005). A non-handicapped cohort of low-birthweight children: growth and general health status at 11 years of age. Acta Paediatrica. 1203-1207.
- (2004). Barnenevrologi og habilitering i Norge. Tidsskrift for Den norske legeforening. 2486-2487.
- (2004). Aspects of inattention in low birth weight children. Pediatric Neurology. 92-98.
- (2003). Cognitive performance in a low birthweight cohort at 5 and 11 years of age. Pediatric Neurology. 111-116.
- (2002). Population based, controlled study of behavioural problems and psychiatric disorders in low birthweight children at 11 years of age. Archives of Disease in Childhood: Fetal and Neonatal Edition. F128-F132.
- (2002). Neuropsychological and motor function in small for gestational age preschoolers. Pediatric Neurology. 186-191.
- (2002). Neuropsychologic and motor function in small-for-gestational preschoolers. Pediatric Neurology. 186.
- (2002). Low birthweight children: coping in school? Acta Paediatrica. 939-945.
- (2002). Appendikostomi for fekalinkontinens hos barn og unge med myelomeningocele. Tidsskrift for Den norske legeforening. 2696-2699.
- (2001). Therapeutic electrical stimulation in cerebral palsy: a randomized, controlled, crossover trial. Developmental Medicine & Child Neurology. 609-13.
- (2001). Therapeutic electrical stimulation in cerebral palsy: A randomized controlled, cross-over trial. Developmental Medicine & Child Neurology. 609-613.
- (2001). The relationship between cognitive abilities and maternal ratings of externalizing behaviors in preschool children. Scandinavian Journal of Psychology. 437-444.
- (2001). Increased risk of behavioral problems in term, small for gestational age preschoolers? Early Human Development. 107-121.
- (2001). Behavior in term, small for gestational age preschoolers. Early Human Development. 107-121.
- (2001). Behavior in term, small for gestational age preschoolers. Early Human Development. 107-121.
- (2000). Early motor development of premature infants with birthweight less than 2000 grams. Acta Paediatrica. 1456-1461.
- (2000). Cognitive development of term small for gestational age children at five years of age. Archives of Disease in Childhood. 25-30.
- (2000). Cognitive development of term small for gestational age children at five years of age. Archives of Disease in Childhood. 25-30.
- (1999). The Yale Children's Inventory - A screening tool for attention deficits and related disorders. Normative data for boys. Scandinavian Journal of Psychology. 121-125.
- (1998). Neuropsychological performance in low birth weight preschoolers: a population-based, controlled study. European Journal of Pediatrics. 53-58.
- (1998). Neuropsychological performance in low birth weight preschoolers: a population-based, controlled study. European Journal of Pediatrics. 53-58.
- (1998). Gender and its contribution to the prediction of cognitive abilities at 5 years. Scandinavian Journal of Psychology. 267-274.
- (1998). Annotation: Long term outcome for non-handicapped low birthweight infants - is the fog clearing? European Journal of Pediatrics. 1-3.
- (1997). Neuropsychological deficits in 8 year old, non-handicapped children with birth weight under 1500 g. Journal of Clinical and Experimental Neuropsychology.
- (1996). Maternal child rearing attitudes, IQ and socioeconomic status as related to cognitive abilities of five-year-old children. Psychological Reports. 3-14.
- (1995). Parental factors in cognitive outcome of non-handicapped low birthweight infants. Archives of Disease in Childhood. F135-142.
- (1995). Cognitive outcome in non-handicapped low birthweight preschoolersthe role of parental factors. Archives of Disease in Childhood. 135-142.
- (1991). Neuropsychological and Neuropediatric evalualtion of 8-year old children with birth weight lower than 1500 grams. Journal of Clinical and Experimental Neuropsychology. 438-438.
- (1991). Diagnostikk av Spielmeyer-Vogts sykdom. Elektronmikroskopi av konjunktivalbiopsi. Tidsskrift for Den norske legeforening. 2265-2266.
Popular scientific lecture
- (1998). Overlevelse og risiko for nevrologiske funksjonshemninger ved for tidlig fødsel [invitert foredrag].
Academic lecture
- (2003). Fostersirkulasjon og hjernevekst hos premature.
- (2002). Utvikling hos barn - vær romslig i din vurdering.
- (2002). Problemer med læring og adferd.
- (2002). Intrauterin veksthemming- langtidsutsikter- en populasjonsbasert, kontrollert oppfølgingsstudie.
- (2001). Prematur for resten av livet.
- (2001). Fascioscapulohumeral muscular dystrophy and Coat's disease in a Norwegian Familly.
- (2001). Cerebral sirkulasjon, blødning og iskemi.
- (2001). Betydning av lav fødselsvekt for barns senere utvikling. Resultater fra Bergensstudien. Regionsenteret for Barne- og Ungdomspsykiatri, Helseregion Vest.
- (2001). Barnenevrologi.
- (1995). Personality and behavior in ADHD children and low birthweight weight (LBW) children.
- (1995). Personality and behavior in ADHD children and low birthweight (LBW) children.
- (1995). Outcome at 5 years in low birthweight non-handicapped children.
- (1995). Neuropsychological outcome in children with low birth weight (LBW < 2kg).
- (1995). Neuropsychological outcome in children with Low Birth Weight (LBW, < 2kg).
- (1995). Intrauterine growth retardation and subsequent long-term neurodevelopment - a population based, controlled follow-up study.
Editorial
- (2001). Cerebral parese-forekomst og tolkning. Tidsskrift for Den norske legeforening. 25.
Reader opinion piece
- (2017). Mer om pyruvat dehydrogenase og kronisk utmattelsessyndrom. Tidsskrift for Den norske legeforening.
Doctoral dissertation
- (2016). Significance of intrauterine growth, and abnormal fetal blood flow for neonatal and long term outcome in preterm infants.
- (2016). Mental health among children born extremely preterm or with extremely low birth weight at preschool- and school age. A national population based study.
- (1997). Preschool neurodevelopment in non-handicapped children with birthweight less than 2000 g.
Academic chapter/article/Conference paper
- (2010). Hodepine. 13 pages.
- (2009). Psykomotorisk utvikling. 11 pages.
- (2009). Nervesystemet og musklene. 27 pages.
- (2002). Vekst og utvikling. 9 pages.
- (2002). Utvikling. 9 pages.
- (1994). Nevromotorisk og adferdsmessig utvikling hos 8 år gamle barn med fødselsvekt under 1500g. 12 pages.
Abstract
- (2009). Relationship between cognitive and motor function at 5 years of age in a national cohort of extremely preterm infants. Acta Paediatrica. S178-S179.
- (2009). GROWTH AND SOMATIC HEALTH UNTIL ADULTHOOD OF LOW BIRTH WEIGHT CHILDREN. Acta Paediatrica. 201-201.
- (2009). Cognitive outcome at 5 years of age in a national cohort of extremely pre-term infants. Acta Paediatrica. S178.
- (2004). Neuropsychiatric symptoms among African school children in Kinshasa. European psychiatry. 235S-235S.
Chapter
- (2014). Hodepine. 389-401. In:
- (2014). Nevrologi og nevrokirurgi fra barn til voksen, 6.utgave. Forlaget Vett & Viten AS.
More information in national current research information system (CRIStin)