2023

• Eriksen, Adrian Dybfest; Olsen, Alexander; Sigmundsson, Hermundur. (2023) Exploring the relationships between visuospatial working memory, math, letter-sound knowledge, motor competence, and gender in first grade children: A correlational study. Frontiers in Psychology. volum 13:981915.
  Vitenskapelig artikkel

2022

• Fure, Silje Christine Reistad; Howe, Emilie; Andelic, Nada; Brunborg, Cathrine; Olsen, Alexander; Rike, Per-Ola; Spjelkavik, Øystein; Enehaug, Heidi; Røe, Cecilie; Løvstad, Marianne. (2022) Workplace Factors Associated With Return to Work After Mild-to-Moderate Traumatic Brain Injury. The journal of head trauma rehabilitation. volum 38 (1).
  Vitenskapelig artikkel
• Gravråkmo, Sissel; Olsen, Alexander; Lydersen, Stian; Ingul, Jo Magne; Henry, Lucy; Øie, Merete Glenne. (2022) Associations between executive functions, intelligence and adaptive behaviour in children and adolescents with mild intellectual disability. Journal of Intellectual Disabilities.
  Vitenskapelig artikkel
• Kliem, Elisabeth; Labberton, Angela Susan; Barra, Mathias; Olsen, Alexander; Thommessen, Bente; Thomas, Owen Matthew Truscott; Gjestad, Elise Ødegård; Indredavik, Bent; Grambaite, Ramune. (2022) Self-reported cognitive and psychiatric symptoms at 3 months predict single-item measures of fatigue and daytime sleep 12 months after ischemic stroke. Frontiers in Neurology. volum 13.
  Vitenskapelig artikkel
• Olsen, Alexander; Dennis, Emily L.; Stubberud, Jan Egil; Hovenden, Elizabeth S.; Solbakk, Anne-Kristin; Endestad, Tor; Hol, Per Kristian; Schanke, Anne-Kristine; Løvstad, Marianne; Tornås, Sveinung. (2022) Regional brain volume prior to treatment is linked to outcome after cognitive rehabilitation in traumatic brain injury. NeuroImage: Clinical. volum 35.
  Vitenskapelig artikkel
• Sørengaard, Torhild Anita; Langvik, Eva; Olsen, Alexander; Saksvik-Lehouillier, Ingvild. (2022) Predictors of insomnia symptoms in police employees: a longitudinal investigation and comparison of personality and psychosocial work factors. Cogent Psychology. volum 9 (1).
  Vitenskapelig artikkel

2021

• Damanskyy, Yevhen; Olsen, Alexander; Hollup, Stig Arvid. (2021) Prior Prognostic Expectations as a Potential Predictor in Neurofeedback Training. Journal of Cognitive Enhancement.
  Vitenskapelig artikkel
• Dennis, Emily L.; Caeyenberghs, Karen; Hoskinson, Kristen R; Merkley, Tricia L; Suskauer, Stacy J; Asarnow, Robert F; Babikian, Talin; Bartnik-Olson, Brenda L.; Bickart, Kevin; Bigler, Erin D; Ewing-Cobbs, Linda; Figaji, Anthony; Giza, Christopher C.; Goodrich-Hunsaker, Naomi J; Hodges, Cooper B.; Hovenden, Elisabeth S; Irimia, Andrei; Königs, Marsh; Levin, Harvey S; Lindsey, Hannah M.; Max, Jeffrey E; Newsome, Mary R; Olsen, Alexander; Ryan, Nicholas P; Schmidt, Adam T.; Spruiell, Matthew S; Wade, Benjamin S. C; Ware, Ashley L; Watson, Christopher G; Wheeler, Anne L; Yeates, Keith Owen; Zielinski, Brandon A; Kochunov, Peter; Jahanshad, Neda; Thompson, Paul M; Tate, David F.; Wilde, Elisabeth A.. (2021) White Matter Disruption in Pediatric Traumatic Brain Injury: Results From ENIGMA Pediatric Moderate to Severe Traumatic Brain Injury. Neurology. volum 97 (3).
  Vitenskapelig artikkel
• Follesø, Hanna Størksen; Austad, Sigrun Borgen; Olsen, Alexander; Saksvik-Lehouillier, Ingvild. (2021) The development, inter-rater agreement and performance of a hierarchical procedure for setting the rest-interval in actigraphy data. Sleep Medicine. volum 85.
  Vitenskapelig artikkel
• Fordal, Linda; Stenberg, Jonas; Iverson, Grant L.; Saksvik, Simen Berg; Karaliute, Migle; Vik, Anne; Olsen, Alexander; Skandsen, Toril. (2021) Trajectories of Persistent Postconcussion Symptoms and Factors Associated With Symptom Reporting After Mild Traumatic Brain Injury. Archives of Physical Medicine and Rehabilitation.
  Vitenskapelig artikkel
• Fure, Silje Christine Reistad; Howe, Emilie; Andelic, Nada; Brunborg, Cathrine; Sveen, Unni; Røe, Cecilie; Rike, Per-Ola; Olsen, Alexander; Spjelkavik, Øystein; Ugelstad, Helene; Lu, Juan; Ponsford, Jennie; Twamley, Elizabeth; Hellstrøm, Torgeir; Løvstad, Marianne. (2021) Cognitive and vocational rehabilitation after mild-to-moderate traumatic brain injury: A randomised controlled trial. Annals of Physical and Rehabilitation Medicine. volum 64 (5).
  Vitenskapelig artikkel
• Fure, Silje Christine Reistad; Howe, Emilie; Spjelkavik, Øystein; Røe, Cecilie; Rike, Per-Ola; Olsen, Alexander; Ponsford, Jennie; Andelic, Nada; Løvstad, Marianne. (2021) Post-concussion symptoms three months after mild-to-moderate TBI: characteristics of sick-listed patients referred to specialized treatment and consequences of intracranial injury. Brain Injury. volum 35 (9).
  Vitenskapelig artikkel
• Ingvaldsen, Sigrid Hegna; Tronvik, Erling Andreas; Brenner, Eiliv; Winnberg, Ingunn; Olsen, Alexander; Gravdahl, Gøril Bruvik; Stubberud, Anker. (2021) A biofeedback app for migraine: Development and usability study. JMIR Formative Research. volum 5 (7).
  Vitenskapelig artikkel
• Karaliute, Migle; Saksvik, Simen Berg; Smevik, Hanne; Follestad, Turid; Einarsen, Cathrine Elisabeth; Vik, Anne; Håberg, Asta; Iverson, Grant L.; Skandsen, Toril; Olsen, Alexander. (2021) Methodology Matters: Comparing Approaches for Defining Persistent Symptoms after Mild Traumatic Brain Injury. Neurotrauma Reports. volum 2 (1).
  Vitenskapelig artikkel
• Kliem, Elisabeth; Gjestad, Elise Ødegård; Ryum, Truls; Olsen, Alexander; Thommessen, Bente; Indredavik, Bent; Bieliauskas, Linas; Due-Tønnessen, Paulina; Fladby, Tormod; Grambaite, Ramune. (2021) The Relationship of Psychiatric Symptoms with Performance-Based and Self-Reported Cognitive Function After Ischemic Stroke. Journal of the International Neuropsychological Society. volum 28 (1).
  Vitenskapelig artikkel
• Lauvsnes, Anders Dahlen Forsmo; Langaas, Mette; Olsen, Alexander; Vassileva, Jasmin; Spigset, Olav; Gråwe, Rolf Wilhelm. (2021) Adhd and mental health symptoms in the identification of young adults with increased risk of alcohol dependency in the general population—the hunt4 population study. International Journal of Environmental Research and Public Health. volum 18 (21).
  Vitenskapelig artikkel
• Saksvik, Simen Berg; Smevik, Hanne; Stenberg, Jonas; Follestad, Turid; Vik, Anne; Håberg, Asta; Asarnow, Robert F.; Kallestad, Håvard; Skandsen, Toril; Olsen, Alexander. (2021) Poor sleep quality is associated with greater negative consequences for cognitive control function and psychological health after mild traumatic brain injury than after orthopedic injury. Neuropsychology. volum 35 (7).
  Vitenskapelig artikkel
• Saksvik-Lehouillier, Ingvild; Langvik, Eva; Saksvik, Simen Berg; Kallestad, Håvard; Follesø, Hanna Størksen; Austad, Sigrun Borgen; Dahlberg, Berit Johanna; Ringen, Heidi; Tanum, Tiril Kristine; Sørengaard, Torhild Anita; Karlsen, Håvard Rudi; Smedbøl, Trine; Olsen, Alexander. (2021) High neuroticism is associated with reduced negative affect following sleep deprivation. Personality and Individual Differences. volum 185 (111291).
  Vitenskapelig artikkel
• Sørengaard, Torhild Anita; Olsen, Alexander; Langvik, Eva; Saksvik-Lehouillier, Ingvild. (2021) Associations between Sleep and Work-Related Cognitive and Emotional Functioning in Police Employees. SH@W Safety and Health at Work. volum 12.
  Vitenskapelig artikkel
• Tahmasian, Masoud; Aleman, André; Andreassen, Ole; Arab, Zahra; Baillet, Marion; Benedetti, Francesco; Bresser, Tom; Bright, Joanna; Chee, Michael W.L.; Chylinski, Daphne; Cheng, Wei; Deantoni, Michele; Dresler, Martin; Eickhoff, Simon B.; Eickhoff, Claudia R.; Elvsåshagen, Torbjørn; Feng, Jianfeng; Foster-Dingley, Jessica C.; Ganjgahi, Habib; Grabe, Hans J.; Groenewold, Nynke A.; Ho, Tiffany C.; Bong Hong, Seung; Houenou, Josselin; Irungu, Benson; Jahanshad, Neda; Khazaie, Habibolah; Kim, Hosung; Koshmanova, Ekaterina; Kocevska, Desi; Kochunov, Peter; Lakbila-Kamal, Oti; Leerssen, Jeanne; Li, Meng; Luik, Annemarie I.; Muto, Vincenzo; Narbutas, Justinas; Nilsonne, Gustav; O’Callaghan, Victoria S.; Olsen, Alexander; Osorio, Ricardo S.; Poletti, Sara; Poudel, Govinda; Reesen, Joyce E.; Reneman, Liesbeth; Reyt, Mathilde; Riemann, Dieter; Rosenzweig, Ivana; Rostampour, Masoumeh; Saberi, Amin; Schiel, Julian; Schmidt, Christina; Schrantee, Anouk; Sciberras, Emma; Silk, Tim J.; Sim, Kang; Smevik, Hanne; Soares, Jair C.; Spiegelhalder, Kai; Stein, Dan J.; Talwar, Puneet; Tamm, Sandra; Teresi, Giana l.; Valk, Sofie L.; Van Someren, Eus; Vandewalle, Gilles; Van Egroo, Maxime; Völzke, Henry; Walter, Martin; Wassing, Rick; Weber, Frederik D.; Weihs, Antoine; Westlye, Lars Tjelta; Wright, Margaret J.; Wu, Mon-Ju; Zak, Nathalia; Zarei, Mojtaba. (2021) ENIGMA-Sleep: Challenges, opportunities, and the road map. Journal of Sleep Research. volum 30 (6).
  Vitenskapelig oversiktsartikkel/review

2020

• Dennis, Emily L.; Baron, David; Bartnik-Olson, Brenda L.; Caeyenberghs, Karen; Esopenko, Carrie; Hillary, Frank G.; Kenney, Kimbra; Koerte, Inga K.; Lin, Alexander P.; Mayer, Andrew R.; Mondello, Stefania; Olsen, Alexander; Thompson, Paul M.; Tate, David; Wilde, Elisabeth A.. (2020) ENIGMA brain injury: Framework, challenges, and opportunities. Human Brain Mapping.
  Vitenskapelig oversiktsartikkel/review
• Dennis, Emily L.; Caeyenberghs, Karen; Asarnow, Robert F.; Babikian, Talin; Bartnik-Olson, Brenda L.; Bigler, Erin D; Figaji, Anthony; Giza, Christopher C.; Goodrich-Hunsaker, Naomi J; Hodges, Cooper B; Hoskinson, Kristen R; Königs, Marsh; Levin, Harvey; Lindsey, Hannah M; Livny, Abigail; Max, Jeffrey E; Merkley, Tricia L; Newsome, Mary R; Olsen, Alexander; Ryan, Nicholas P; Spruiell, Matthew S; Suskauer, Stacy J; Thomopoulos, Sophia I.; Ware, Ashley L; Watson, Christopher G; Wheeler, Anne L; Yeates, Keith Owen; Zielinski, Brandon A; Thompson, Paul M; Tate, David; Wilde, Elisabeth A.. (2020) Challenges and opportunities for neuroimaging in young patients with traumatic brain injury: a coordinated effort towards advancing discovery from the ENIGMA pediatric moderate/severe TBI group. Brain Imaging and Behavior.
  Vitenskapelig artikkel
• Karlsen, Rune Hatlestad; Karr, Justin E.; Saksvik, Simen Berg; Lundervold, Astri J.; Hjemdal, Odin; Olsen, Alexander; Iverson, Grant L.; Skandsen, Toril. (2020) Examining 3-month test-retest reliability and reliable change using the Cambridge Neuropsychological Test Automated Battery. Applied neuropsychology: Adult. volum 29 (2).
  Vitenskapelig artikkel
• Karlsen, Rune Hatlestad; Saksvik, Simen Berg; Stenberg, Jonas; Lundervold, Astri J.; Olsen, Alexander; Rautio, Ida; Folvik, Line; Håberg, Asta; Vik, Anne; Karr, Justin E.; Iverson, Grant L.; Skandsen, Toril. (2020) Examining the Subacute Effects of Mild Traumatic Brain Injury Using a Traditional and Computerized Neuropsychological Test Battery. Journal of Neurotrauma. volum 38 (1).
  Vitenskapelig artikkel
• Olsen, Alexander; Babikian, Talin; Bigler, Erin D.; Caeyenberghs, Karen; Conde, Virginia; Dams-O’Connor, Kristen; Dobryakova, Ekaterina; Genova, Helen; Grafman, Jordan; Håberg, Asta; Heggland, Ingrid; Hellstrøm, Torgeir; Hodges, Cooper B.; Irimia, Andrei; Jha, Ruchira M.; Johnson, Paula K.; Koliatsos, Vassilis E.; Levin, Harvey; Li, Lucia M.; Lindsey, Hannah M.; Livny, Abigail; Løvstad, Marianne; Medaglia, John; Menon, David; Mondello, Stefania; Monti, Martin M.; Newcombe, Virginia F.J.; Petroni, Agustin; Ponsford, Jennie; Sharp, David; Spitz, Gershon; Westlye, Lars Tjelta; Thompson, Paul M.; Dennis, Emily L.; Tate, David; Wilde, Elisabeth A.; Hillary, Frank G.. (2020) Toward a global and reproducible science for brain imaging in neurotrauma: the ENIGMA adult moderate/severe traumatic brain injury working group. Brain Imaging and Behavior.
  Vitenskapelig artikkel
• Olsen, Alexander; Babikian, Talin; Dennis, Emily L.; Ellis-Blied, Monica U.; Giza, Christopher C.; Marion, Sarah DeBoard; Mink, Richard; Johnson, Jeffrey; Babbitt, Christopher; Thompson, Paul M.; Asarnow, Robert F.. (2020) Functional Brain Hyperactivations Are Linked to an Electrophysiological Measure of Slow Interhemispheric Transfer Time after Pediatric Moderate/Severe Traumatic Brain Injury. Journal of Neurotrauma. volum 37 (2).
  Vitenskapelig artikkel
• Olsen, Alexander; Saksvik, Simen Berg; Skandsen, Toril. (2020) Hjernerystelser kan gi langvarige søvnproblemer. Aftenposten Viten.
  Populærvitenskapelig artikkel
• Saksvik, Simen Berg; Karaliute, Migle; Kallestad, Håvard; Follestad, Turid; Asarnow, Robert F.; Vik, Anne; Håberg, Asta; Skandsen, Toril; Olsen, Alexander. (2020) The prevalence and stability of sleep-wake disturbance and fatigue throughout the first year after mild traumatic brain injury. Journal of Neurotrauma. volum 37 (23).
  Vitenskapelig artikkel
• Saksvik-Lehouillier, Ingvild; Saksvik, Simen Berg; Dahlberg, Berit Johanna; Tanum, Tiril Kristine; Ringen, Heidi; Karlsen, Håvard Rudi; Smedbøl, Trine; Sørengaard, Torhild Anita; Stople, Mailen; Kallestad, Håvard; Olsen, Alexander. (2020) Mild to moderate partial sleep deprivation is associated with increased impulsivity and decreased positive affect in young adults. Sleep. volum 43 (10).
  Vitenskapelig artikkel
• Skandsen, Toril; Stenberg, Jonas; Follestad, Turid; Karaliute, Migle; Saksvik, Simen Berg; Einarsen, Cathrine Elisabeth; Lillehaug, Hanna; Håberg, Asta; Vik, Anne; Olsen, Alexander; Iverson, Grant L.. (2020) Personal factors associated with postconcussion symptoms 3 months after mild traumatic brain injury. Archives of Physical Medicine and Rehabilitation.
  Vitenskapelig artikkel
• Stubberud, Anker; Linde, Mattias; Brenner, Eiliv; Heier, Martin; Olsen, Alexander; Aamodt, Anne Hege; Gravdahl, Gøril Bruvik; Tronvik, Erling Andreas. (2020) Self-administered biofeedback treatment app for pediatric migraine: A randomized pilot study. Brain and Behavior. volum 11.
  Vitenskapelig artikkel
• Stubberud, Anker; Tronvik, Erling Andreas; Olsen, Alexander; Gravdahl, Gøril Bruvik; Linde, Mattias. (2020) Biofeedback Treatment App for Pediatric Migraine: Development and Usability Study. Headache. volum 60 (5).
  Vitenskapelig artikkel
• Thompson, Paul M.; Jahanshad, Neda; Ching, Christopher R.K.; Salminen, Lauren E.; Thomopoulos, Sophia I.; Bright, Joanna; Baune, Bernhard T.; Bertolin, Sara; Bralten, Janita; Bruin, Willem B.; Bulow, Robin; Chen, Jian; Chye, Yann; Dannlowski, Udo; de Kovel, Carolien G.F.; Donohoe, Gary; Eyler, Lisa T.; Faraone, Stephen V.; Favre, Pauline; Filippi, Courtney A.; Frodl, Thomas; Garijo, Daniel; Gil, Yolanda; Grabe, Hans J.; Grasby, Katrina L.; Hajek, Tomas; Han, Laura K.M.; Hatton, Sean N.; Hilbert, Kevin; Ho, Tiffany C.; Holleran, Laurena; Homuth, Georg; Hosten, Norbert; Houenou, Josselin; Ivanov, Iliyan; Jia, Tianye; Kelly, Sinead; Klein, Marieke; Kwon, Jun Soo; Laansma, Max A.; Leerssen, Jeanne; Lueken, Ulrike; Nunes, Abraham; O'Neill, Joseph; Opel, Nils; Piras, Fabrizio; Piras, Federica; Postema, Merel C.; Pozzi, Elena; Shatokhina, Natalia; Soriano-Mas, Carles; Spalletta, Gianfranco; Sun, Daqiang; Teumer, Alexander; Tilot, Amanda K.; Tozzi, Leonardo; van der Merwe, Celia; van Someren, Eus J.W.; van Wingen, Guido A.; Völzke, Henry; Walton, Esther; Wang, Lei; Winkler, Anderson M.; Wittfeld, Katharina; Wright, Margaret J.; Yun, Je-Yeon; Zhang, Guohao; Zhang-James, Yanli; Adhikari, Bhim M.; Agartz, Ingrid; Aghajani, Moji; Aleman, André; Althoff, Robert R.; Altmann, Andre; Andreassen, Ole Andreas; Baron, David A.; Bartnik-Olson, Brenda L.; Bas-Hoogendam, Janna Marie; Baskin-Sommers, Arielle R.; Bearden, Carrie E.; Berner, Laura A.; Boedhoe, Premika S.W.; Brouwer, Rachel M.; Buitelaar, Jan K.; Caeyenberghs, Karen; Cecil, Charlotte A.M.; Cohen, Ronald A.; Cole, James H.; Conrod, Patricia J.; De Brito, Stephane A.; de Zwarte, Sonja M.C.; Dennis, Emily L.; Desrivieres, Sylvane; Dima, Danai; Ehrlich, Stefan; Esopenko, Carrie; Fairchild, Graeme; Fisher, Simon E.; Fouche, Jean-Paul; Francks, Clyde; Frangou, Sophia; Franke, Barbara; Garavan, Hugh P.; Glahn, David C.; Groenewold, Nynke A.; Gurholt, Tiril Pedersen; Gutman, Boris A.; Hahn, Tim; Harding, Ian H.; Hernaus, Dennis; Hibar, Derrek P.; Hillary, Frank G.; Hoogman, Martine; Hulshoff Pol, Hilleke E.; Jalbrzikowski, Maria; Karkashadze, George A.; Klapwijk, Eduard T.; Knickmeyer, Rebecca C.; Kochunov, Peter; Koerte, Inga K.; Kong, Xiang-Zhen; Liew, Sook-Lei; Lin, Alexander P.; Logue, Mark W.; Luders, Eileen; Macciardi, Fabio; Mackey, Scott; Mayer, Andrew R.; McDonald, Carrie R.; McMahon, Agnes B.; Medland, Sarah E.; Modinos, Gemma; Morey, Rajendra A.; Mueller, Sven C.; Mukherjee, Pratik; Namazova-Baranova, Leyla; Nir, Talia M; Olsen, Alexander; Paschou, Peristera; Pine, Daniel S.; Pizzagalli, Fabrizio; Rentería, Miguel E.; Rohrer, Jonathan D.; Sämann, Philipp G.; Schmaal, Lianne; Schumann, Gunter; Shiroishi, Mark S.; Sisodiya, Sanjay M.; Smit, Dirk J.A.; Sønderby, Ida Elken; Stein, Dan J.; Stein, Jason L.; Tahmasian, Masoud; Tate, David F.; Turner, Jessica A.; van den Heuvel, Odile A; Van Der Wee, Nic J.A.; van der Werf, Ysbrand D.; van Erp, Theo G.M.; van Haren, Neeltje E.M.; van Rooij, Daan; van Velzen, Laura S.; Veer, Ilya M.; Veltman, Dick J.; Villalon-Reina, Julio E.; Walter, Henrik; Whelan, Christopher D.; Wilde, Elisabeth A.; Zarei, Mojtaba; Zelman, Vladimir. (2020) ENIGMA and global neuroscience: A decade of large-scale studies of the brain in health and disease across more than 40 countries. Translational Psychiatry. volum 10:100.
  Vitenskapelig oversiktsartikkel/review
• Vethe, Daniel; Scott, Janine Linda; Engstrøm, Morten; Salvesen, Øyvind; Sand, Trond; Olsen, Alexander; Morken, Gunnar; Heglum, Hanne Siri Amdahl; Kjørstad, Kaia; Faaland, Patrick; Vestergaard, Cecilie Lund; Langsrud, Knut; Kallestad, Håvard. (2020) The evening light environment in hospitals can be designed to produce less disruptive effects on the circadian system and improve sleep. Sleep.
  Vitenskapelig artikkel

2019

• 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. (2019) Cognitive Reserve Moderates Cognitive Outcome After Mild Traumatic Brain Injury. Archives of Physical Medicine and Rehabilitation. volum 101 (1).
  Vitenskapelig artikkel

2018

• Babikian, Talin; Alger, Jeffry R.; Ellis-Blied, Monica U.; Giza, Christopher C.; Dennis, Emily; Olsen, Alexander; Mink, Richard; Babbitt, Christopher; Johnson, Jeffrey Lewis; Thompson, Paul M.; Asarnow, Robert F.. (2018) Whole Brain Magnetic Resonance Spectroscopic Determinants of Functional Outcomes in Pediatric Moderate/Severe Traumatic Brain Injury. Journal of Neurotrauma. volum 35 (14).
  Vitenskapelig artikkel
• Dennis, Emily L.; Babikian, Talin; Alger, Jeffry; Rashid, Faisal; Villalon-Reina, Julio E.; Jin, Yan; Olsen, Alexander; Mink, Richard; Babbitt, Christopher; Johnson, Jeffrey; Giza, Christopher C.; Thompson, Paul M.; Asarnow, Robert F.. (2018) Magnetic resonance spectroscopy of fiber tracts in children with traumatic brain injury: A combined MRS - Diffusion MRI study. Human Brain Mapping. volum 39 (9).
  Vitenskapelig artikkel
• Dennis, Emily L.; Caeyenberghs, Karen; Babikian, Talin; Olsen, Alexander; Giza, Christopher C.; Asarnow, Robert F.; Levin, Harvey; Kochunov, Peter; Jahanshad, Neda; Thompson, Paul M.; Tate, David; Wilde, Elisabeth. (2018) ENIGMA pediatric msTBI: Preliminary results from meta-analysis of diffusion MRI. Proceedings of SPIE, the International Society for Optical Engineering. volum 1097:109750P5.
  Vitenskapelig artikkel
• Grambaite, Ramune; Sundby, Jørgen; Lundervold, Astri; Solbakk, Anne-Kristin; Hessen, Erik; Olsen, Alexander; Weider, Siri. (2018) Undervisning i klinisk nevropsykologi på profesjonsstudiene i Norge. Nevropsykologi : Medlemsblad for Norsk Nevropsykologisk Forening. volum 1.
  Vitenskapelig oversiktsartikkel/review
• Hollund, Ingrid Marie Husby; Olsen, Alexander; Skranes, Jon Sverre; Brubakk, Ann-Mari; Håberg, Asta; Eikenes, Live; Evensen, Kari Anne Indredavik. (2018) White matter alterations and their associations with motor function in young adults born preterm with very low birth weight. NeuroImage: Clinical. volum 17.
  Vitenskapelig artikkel
• Omland, Petter Moe; Tronvik, Erling Andreas; Olsen, Alexander; Sand, Trond; Linde, Mattias. (2018) Wireless Surface Electromyography and Skin Temperature Sensors for Biofeedback Treatment of Headache: Validation Study with Stationary Control Equipment. JMIR Biomedical Engineering.
  Vitenskapelig artikkel
• Solheim, Brandy; Olsen, Alexander; Kallestad, Håvard; Langsrud, Knut; Bjorvatn, Bjørn; Gradisar, Michael; Sand, Trond. (2018) Cognitive performance in DSWPD patients upon awakening from habitual sleep compared with forced conventional sleep. Journal of Sleep Research.
  Vitenskapelig artikkel
• Stenberg, Jonas; Håberg, Asta; Olsen, Alexander; Follestad, Turid; Iverson, Grant L.; Karaliute, Migle; Ek, John Andre Nebb; Skandsen, Toril; Vik, Anne. (2018) Neurocognitive Functioning after Mild Traumatic Brain Injury: A Prospective Study Exploring Subgroups Reporting Symptoms. Journal of Neurotrauma.
  Sammendrag/abstract
• Stenberg, Jonas; Håberg, Asta; Olsen, Alexander; Follestad, Turid; Iverson, Grant L.; Saksvik, Simen Berg; Karlsen, Rune Hatlestad; Vik, Anne; Skandsen, Toril. (2018) Cognitive Reserve and the Interaction between Premorbid IQ and Mild Traumatic Brain Injury. Journal of Neurotrauma.
  Sammendrag/abstract
• Stubberud, Anker; Omland, Petter Moe; Tronvik, Erling Andreas; Olsen, Alexander; Sand, Trond; Linde, Mattias. (2018) Wireless Surface Electromyography and Skin Temperature Sensors for Biofeedback Treatment of Headache: Validation Study with Stationary Control Equipment. JMIR Biomedical Engineering.
  Vitenskapelig artikkel

2017

• Bergersen, Kjersti; Halvorsen, Joar Øveraas; Tryti, Einar Aagaard; Taylor, Solveig Isabel; Olsen, Alexander. (2017) A systematic literature review of psychotherapeutic treatment of prolonged symptoms after mild traumatic brain injury. Brain Injury. volum 31 (3).
  Vitenskapelig oversiktsartikkel/review
• Dennis, Emily L; Rashid, Faisal; Ellis, Monica U; Babikian, Talin; Vlasova, Roza M; Villalon-Reina, Julio E; Jin, Yan; Olsen, Alexander; Mink, Richard; Babbitt, Christopher; Johnson, Jeffrey; Giza, Christopher C; Thompson, Paul M; Asarnow, Robert F. (2017) Diverging white matter trajectories in children after traumatic brain injury. Neurology. volum 88 (15).
  Vitenskapelig artikkel
• Karaliute, Migle; Olsen, Alexander; Saksvik, Simen Berg; Einarsen, Cathrine Elisabeth; Vik, Anne; Håberg, Asta; Skandsen, Toril. (2017) Post-concussive symptoms the first year after mild traumatic brain injury: Preliminary results from a large prospective cohort study. Brain Injury. volum 31 (6-7).
  Sammendrag/abstract
• 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. (2017) Preterm birth leads to hyper-reactive cognitive control processing and poor white matter organization in adulthood. NeuroImage. volum 167.
  Vitenskapelig artikkel
• Wohlwend, Martin Rainer; Olsen, Alexander; Håberg, Asta; Palmer, Helen. (2017) Exercise Intensity-Dependent Effects on Cognitive Control Function during and after Acute Treadmill Running in Young Healthy Adults. Frontiers in Psychology. volum 8.
  Vitenskapelig artikkel

2016

• Aasen, Ida Emilia Sareneva; Håberg, Asta; Olsen, Alexander; Brubakk, Ann-Mari; Evensen, Kari Anne Indredavik; Sølsnes, Anne Elisabeth; Skranes, Jon Sverre; Brunner, Jan Ferenc. (2016) The relevance of the irrelevant: Attention and task-set adaptation in prematurely born adults. Clinical Neurophysiology. volum 127 (10).
  Vitenskapelig artikkel
• Ellis, Monica U.; DeBoard Marion, Sarah; McArthur, David L.; Babikian, Talin; Giza, Christopher; Kernan, Claudia L.; Newman, Nina; Moran, Lisa; Akarakian, Roy; Houshiarnejad, Asal; Mink, Richard; Johnson, Jeffery; Babbitt, Christopher J.; Olsen, Alexander; Asarnow, Robert F.. (2016) The UCLA study of children with moderate-to-severe traumatic brain injury: Event-related potential measure of interhemispheric transfer time. Journal of Neurotrauma. volum 33 (11).
  Vitenskapelig artikkel
• Husby, Ingrid Marie; Stray, Kaia Mølbach-Thellefsen; Olsen, Alexander; Lydersen, Stian; Indredavik, Marit Sæbø; Brubakk, Ann-Mari; Skranes, Jon Sverre; Evensen, Kari Anne Indredavik. (2016) 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. Health and Quality of Life Outcomes. volum 14:56.
  Vitenskapelig artikkel
• Moen, Kent Gøran; Vik, Anne; Olsen, Alexander; Skandsen, Toril; Håberg, Asta; Evensen, Kari Anne Indredavik; Eikenes, Live. (2016) Traumatic axonal injury: Relationships between lesions in the early phase and diffusion tensor imaging parameters in the chronic phase of traumatic brain injury. Journal of Neuroscience Research. volum 94.
  Vitenskapelig artikkel

2015

• Brunner, Jan Ferenc; Olsen, Alexander; Aasen, Ida Emilia Sareneva; Løhaugen, Gro; Håberg, Asta; Kropotov, Yury. (2015) Neuropsychological parameters indexing executive processes are associated with independent components of ERPs. Neuropsychologia. volum 66.
  Vitenskapelig artikkel
• Dennis, Emily L; Ellis, Monica U; Marion, Sarah D; Jin, Yan; Moran, Lisa; Olsen, Alexander; Kernan, Claudia; Babikian, Talin; Mink, Richard; Babbitt, Christopher; Johnson, Jeffery; Giza, Christopher C; Thompson, Paul M; Asarnow, Robert F. (2015) Callosal function in pediatric traumatic brain injury linked to disrupted white matter integrity. Journal of Neuroscience. volum 35 (28).
  Vitenskapelig artikkel
• Finnanger, Torun Gangaune; Olsen, Alexander; Skandsen, Toril; Lydersen, Stian; Vik, Anne; Evensen, Kari A. Indredavik; Catroppa, Cathy; Håberg, Asta; Andersson, Stein; Indredavik, Marit Sæbø. (2015) Life after adolescent and adult moderate and severe traumatic brain injury: self-reported executive, emotional, and behavioural function 2-5 years after injury. Behavioural Neurology. volum 2015:329241.
  Vitenskapelig artikkel
• Håberg, Asta; Olsen, Alexander; Moen, Kent Gøran; Schirmer-Mikalsen, Kari; Visser, E; Finnanger, Torun Gangaune; Evensen, Kari A. Indredavik; Skandsen, Toril; Vik, Anne; Eikenes, Live. (2015) White matter microstructure in chronic moderate-to-severe traumatic brain injury: Impact of acute-phase injury-related variables and associations with outcome measures. Journal of Neuroscience Research. volum 93 (7).
  Vitenskapelig artikkel
• Olsen, Alexander; Brunner, Jan Ferenc; Evensen, Kari A. Indredavik; Finnanger, Torun Gangaune; Vik, Anne; Skandsen, Toril; Landrø, Nils Inge; Håberg, Asta. (2015) Altered Cognitive Control Activations after Moderate-to-Severe Traumatic Brain Injury and Their Relationship to Injury Severity and Everyday-Life function. Cerebral Cortex. volum 25 (8).
  Vitenskapelig artikkel

2014

• Moen, Kine Therese; Jørgensen, Lone; Olsen, Alexander; Håberg, Asta; Skandsen, Toril; Vik, Anne; Brubakk, Ann-Mari; Evensen, Kari A. Indredavik. (2014) High-level mobility in chronic traumatic brain injury and its relationship with clinical variables and magnetic resonance imaging findings in the acute phase. Archives of Physical Medicine and Rehabilitation. volum 95 (10).
  Vitenskapelig artikkel
• Olsen, Alexander; Håberg, Asta; Landrø, Nils Inge. (2014) Cognitive control function and moderate-to-severe traumatic brain injury : functional and structural brain correlates. 2014. ISBN 978-82-326-0660-3. Doktoravhandlinger ved NTNU (372).
  Doktorgradsavhandling
• Solheim, Brandy; Langsrud, Knut; Kallestad, Håvard; Olsen, Alexander; Bjorvatn, Bjørn; Sand, Trond. (2014) Difficult morning awakening from rapid eye movement sleep and impaired cognitive function in delayed sleep phase disorder patients. Sleep Medicine. volum 15 (10).
  Vitenskapelig artikkel

2013

• Brunner, Jan Ferenc; Hansen, Tor Ivar; Olsen, Alexander; Skandsen, Toril; Håberg, Asta; Kropotov, Yury. (2013) Long-term test-retest reliability of the P3 No Go wave and two independent components decomposed from the P3 No Go wave in a visual Go/NoGo task. International Journal of Psychophysiology. volum 89 (1).
  Vitenskapelig artikkel
• Husby, Ingrid Marie; Skranes, Jon; Olsen, Alexander; Brubakk, Ann-Mari; Evensen, Kari A. Indredavik. (2013) Motor skills at 23 years of age in young adults born preterm with very low birth weight. Early Human Development. volum 89 (9).
  Vitenskapelig artikkel
• Olsen, Alexander; Brunner, Jan Ferenc; Evensen, Kari A. Indredavik; de Cisneros, Benjamín Garzón Jiménez; Landrø, Nils Inge; Håberg, Asta. (2013) The Functional Topography and Temporal Dynamics of Overlapping and Distinct Brain Activations for Adaptive Task Control and Stable Task-set Maintenance during Performance of an fMRI-adapted Clinical Continuous Performance Test. Journal of Cognitive Neuroscience. volum 25 (6).
  Vitenskapelig artikkel

2012

• Brezova, Veronika; Olsen, Alexander; Skandsen, Toril; Vik, Anne; Håberg, Asta. (2012) Longitudinal study of grey and white matter changes from the acute to the chronic phase following moderate to severe TBI: volume changes related to duration of post-traumatic amnesia. Brain Injury. volum 26 (4-5).
  Sammendrag/abstract
• Halvorsen, Joar Øveraas; Johnson, Sverre Urnes; Olsen, Alexander; Hagen, Roger. (2012) Fokus på forskning: Psykologforeningens hovedsatsningsområde 2013–2016. Tidsskrift for Norsk Psykologforening. volum 49 (9).
  Leserinnlegg

2010

• Halvorsen, Joar Øveraas; Olsen, Alexander. (2010) Når kjøttvekt blir dødvekt. Tidsskrift for Norsk Psykologforening. volum 47 (7).
  Leserinnlegg
• Halvorsen, Joar Øveraas; Olsen, Alexander. (2010) Profesjonen i endring: Når kjøttvekt blir dødvekt. Tidsskrift for Norsk Psykologforening. volum 47 (7).
  Leserinnlegg
• Halvorsen, Joar Øveraas; Olsen, Alexander; Stokke, Ragnhild Klingenberg. (2010) Fremdeles ubesvarte spørsmål. Tidsskrift for Norsk Psykologforening. volum 47 (11).
  Leserinnlegg

2009

• Løvstad, Marianne; Holte, Ingvil; Olsen, Alexander. (2009) Koma og redusert bevissthet etter hjerneskade -Informasjonsbrosjyre for pårørende og omsorgsgivere. 2009.
  Oversatt bok
• Olsen, Alexander; Brunner, J; Skandsen, Toril; Berntsen, Erik Magnus; Rasmussen, Inge Andre; Håberg, Asta. (2009) SURVIVORS WITH CHRONIC SEVERE TRAUMATIC BRAIN INJURY HAVE SUBSTITUTION AND RECRUITMENT OF ADDITIONAL CORTICAL REGIONS DURING A MENTAL ARITHMETIC TASK. Journal of Neurotrauma. volum 26 (8).
  Sammendrag/abstract