Blar i Institutt for samfunnsmedisin og sykepleie på forfatter "Olsen, Alexander"
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Cognitive Reserve Moderates Cognitive Outcome After Mild Traumatic Brain Injury
Stenberg, Jonas; Håberg, Asta; Follestad, Turid; Olsen, Alexander; Iverson, Grant L.; Terry P., Douglas; Karlsen, Rune Hatlestad; Saksvik, Simen Berg; Karaliute, Migle; Ek, John Andre Nebb; Skandsen, Toril; Vik, Anne (Journal article; Peer reviewed, 2019)Objective To investigate whether cognitive reserve moderates differences in cognitive functioning between patients with mild traumatic brain injury (MTBI) and controls without MTBI and to examine whether patients with ... -
Cognitive Reserve Moderates Cognitive Outcome After Mild Traumatic Brain Injury
Stenberg, Jonas; Håberg, Asta; Follestad, Turid; Olsen, Alexander; Iverson, Grant L.; Terry P., Douglas; Karlsen, Rune Hatlestad; Saksvik, Simen Berg; Karaliute, Migle; Ek, John Andre Nebb; Skandsen, Toril; Vik, Anne (Peer reviewed; Journal article, 2019)Objective To investigate whether cognitive reserve moderates differences in cognitive functioning between patients with mild traumatic brain injury (MTBI) and controls without MTBI and to examine whether patients with ... -
Long-term follow-up of mental health, health-related quality of life and associations with motor skills in young adults born preterm with very low birth weight
Husby, Ingrid Marie; Stray, Kaia; Olsen, Alexander; Lydersen, Stian; Indredavik, Marit Sæbø; Brubakk, Ann-Mari; Skranes, Jon Sverre; Evensen, Kari Anne Indredavik (Journal article; Peer reviewed, 2016)Background: Being born with very low birth weight(VLBW:≤1500 g) is related to long-term disability and neurodevelopmental problems, possibly affecting mental health and health-related quality of life (HRQoL). However, ... -
Preterm birth leads to hyper-reactive cognitive control processing and poor white matter organization in adulthood
Olsen, Alexander; Dennis, Emily L; Evensen, Kari Anne Indredavik; Hollund, Ingrid Marie Husby; Løhaugen, Gro; Thompson, Paul M; Brubakk, Ann-Mari; Eikenes, Live; Håberg, Asta (Peer reviewed; Journal article, 2017)Individuals born preterm with very low birth weight (VLBW; birth weight ≤ 1500 g) are at high risk for perinatal brain injuries and deviant brain development, leading to increased chances of later cognitive, emotional, and ... -
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 ... -
Traumatic axonal injury: Relationships between lesions in the early phase and diffusion tensor imaging parameters in the chronic phase of traumatic brain injury
Moen, Kent Gøran; Vik, Anne; Olsen, Alexander; Skandsen, Toril; Håberg, Asta; Evensen, Kari Anne Indredavik; Eikenes, Live (Journal article; Peer reviewed, 2016)This prospective study of traumatic brain injury (TBI) patients investigates fractional anisotropy (FA) from chronic diffusion tensor imaging (DTI) in areas corresponding to persistent and transient traumatic axonal injury ... -
White matter alterations and their associations with motor function in young adults born preterm with very low birth weight.
Hollund, Ingrid Marie Husby; Olsen, Alexander; Skranes, Jon Sverre; Brubakk, Ann-Mari; Håberg, Asta; Eikenes, Live; Evensen, Kari Anne Indredavik (Journal article; Peer reviewed, 2017)Very low birth weight (VLBW: ≤ 1500 g) individuals have an increased risk of white matter alterations and neurodevelopmental problems, including fine and gross motor problems. In this hospital-based follow-up study, the ...