• Assessment of Self-Reported Executive Function in Patients with Irritable Bowel Syndrome Using a Machine-Learning Framework 

      Lundervold, Astri J.; Randulff Hillestad, Eline Margrethe; Lied, Gülen Arslan; Billing, Julie Eirin; Johnsen, Tina Emilie; Steinsvik, Elisabeth Kjelsvik; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lundervold, Arvid (Journal article; Peer reviewed, 2023)
      Introduction: Irritable bowel syndrome (IBS) is characterized as a disorder of the gut–brain interaction (DGBI). Here, we explored the presence of problems related to executive function (EF) in patients with IBS and tested ...
    • Cognitive function in patients with irritable bowel syndrome: impairment is common and only weakly correlated with depression/anxiety and severity of gastrointestinal symptoms 

      Billing, Julie Eirin; Jacobsen, Birgitte Berentsen; Lundervold, Arvid; Randulff Hillestad, Eline Margrethe; Lied, Gülen Arslan; Hausken, Trygve; Lundervold, Astri J. (Journal article; Peer reviewed, 2024)
      Objective To investigate cognitive function in patients with irritable bowel syndrome (IBS) and its relation to anxiety/depression and severity of gastrointestinal (GI) symptoms. Methods Patients with IBS (n = 65) ...
    • Fecal bacteria and short-chain fatty acids in irritable bowel syndrome: relations to subtype 

      Teige, Erica Sande; Hillestad, Eline; Steinsvik, Elisabeth Kjelsvik; Brønstad, Ingeborg; Lundervold, Arvid; Lundervold, Astri J.; Valeur, Jørgen; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lied, Gülen Arslan (Journal article; Peer reviewed, 2024)
      Background: The relationship between gut microbiota and irritable bowel syndrome (IBS) subtype is unclear. We aimed to explore whether differences in fecal bacteria composition and short-chain fatty acid (SCFA) levels were ...
    • A psychological symptom based machine learning model for clinical evaluation of irritable bowel syndrome 

      Haleem, Noman; Lundervold, Astri J.; Lied, Gülen Arslan; Randulff Hillestad, Eline Margrethe; Bjorkevoll, Maja; Bjørsvik, Ben René; Teige, Erica; Brønstad, Ingeborg; Steinsvik, Elisabeth Kjelsvik; Nagaraja, Bharath Halandur; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lundervold, Arvid (Journal article; Peer reviewed, 2023)
      Background: Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disorder characterized by recurrent abdominal pain associated with alterations in stool form and/or stool frequency. Co-morbidities such ...