• Developing Cognition Endpoints for the CENTER-TBI Neuropsychological Test Battery 

      Stenberg, Jonas; Karr, Justin E.; Terry, Douglas P.; Saksvik, Simen Berg; Vik, Anne; Skandsen, Toril; Silverberg, Noah D.; Iverson, Grant L. (Peer reviewed; Journal article, 2020)
      Background: Measuring cognitive functioning is common in traumatic brain injury (TBI) research, but no universally accepted method for combining several neuropsychological test scores into composite, or summary, scores ...
    • Dysfunctional beliefs and attitudes about sleep (DBAS) mediate outcomes in dCBT-I on psychological distress, fatigue, and insomnia severity 

      Faaland, Patrick; Vedaa, Øystein; Langsrud, Knut; Sivertsen, Børge; Lydersen, Stian; Saksvik, Simen Berg; Vestergaard, Cecilie Lund; Kjørstad, Kaia; Vethe, Daniel; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore Charles; Scott, Janine Linda; Kallestad, Håvard (Peer reviewed; Journal article, 2023)
      Objective/background Digital cognitive behavioral therapy for insomnia (dCBT-I) improves several sleep and health outcomes in individuals with insomnia. This study investigates whether changes in Dysfunctional Beliefs and ...
    • High neuroticism is associated with reduced negative affect following sleep deprivation 

      Saksvik-Lehouillier, Ingvild; Langvik, Eva; Saksvik, Simen Berg; Kallestad, Håvard; Follesø, Hanna Størksen; Austad, Sigrun Borgen; Dahlberg, Johanna; Ringen, Heidi; Tanum, Tiril Kristine; Sørengaard, Torhild Anita; Karlsen, Håvard Rudi; Smedbøl, Trine; Olsen, Alexander (Peer reviewed; Journal article, 2021)
      The aim was to investigate how neuroticism moderates the affective consequences of personalized mild-moderate partial sleep deprivation. A total of 52 healthy subjects aged 18–35 years completed the NEO PI-3 at baseline, ...
    • The prevalence and stability of sleep-wake disturbance and fatigue throughout the first year after mild traumatic brain injury 

      Saksvik, Simen Berg; Karaliute, Migle; Kallestad, Håvard; Follestad, Turid; Asarnow, Robert F.; Vik, Anne; Håberg, Asta; Skandsen, Toril; Olsen, Alexander (Peer reviewed; Journal article, 2020)
      In this prospective, longitudinal study, we aimed to determine the prevalence and stability of sleep-wake disturbance (SWD) and fatigue in a large representative sample of patients (Trondheim mild traumatic brain injury ...
    • Trajectories of Persistent Postconcussion Symptoms and Factors Associated With Symptom Reporting After Mild Traumatic Brain Injury 

      Fordal, Linda; Stenberg, Jonas; Iverson, Grant L.; Saksvik, Simen Berg; Karaliute, Migle; Vik, Anne; Olsen, Alexander; Skandsen, Toril (Peer reviewed; Journal article, 2021)
      Objective To examine the trajectories of persistent postconcussion symptoms (PPCS) after mild traumatic brain injury (MTBI) and to investigate which injury-related and personal factors are associated with symptom reporting. ...