Browsing Kristiania Open Archive by Author "Hugdahl, Kenneth Jan"
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Estradiol driven change in hallucination proneness across the menstrual cycle as studied with a white noise paradigm
Hjelmervik, Helene; Hausmann, Markus; Bless, Josef J.; Harkestad, Nina; Hugdahl, Kenneth Jan; Laloyaux, Julien (Peer reviewed; Journal article, 2023)The estrogen hypothesis for schizophrenia suggests neuroprotective effects of estrogen for the development of the disorder and for symptom severity, including auditory hallucinations. Furthermore, estrogen has shown enhancing ... -
Negative valence of hallucinatory voices as predictor of cortical glutamatergic metabolite levels in schizophrenia patients
Hjelmervik, Helene; Craig-Craven, Alexander Richard; Johnsen, Erik; Kompus, Kristiina; Bless, Josef Johann; Sinkeviciute, Igne; Kroken, Rune Andreas; Løberg, Else-Marie; Ersland, Lars; Grüner, Eli Renate; Sommer, Iris E.; Hugdahl, Kenneth Jan (Peer reviewed; Journal article, 2021)Objectives Negative emotional valence of auditory verbal hallucinations (AVHs) in schizophrenia can be a source of distress and is considered a strong predictor of illness severity. Previous studies have found glutamate ... -
Pilot-RCT Finds No Evidence for Modulation of Neuronal Networks of Auditory Hallucinations by Transcranial Direct Current Stimulation
Marquardt, Lynn Anne; Craven, Alexander R.; Hugdahl, Kenneth Jan; Johnsen, Erik; Kroken, Rune Andreas; Kusztrits, Isabella; Specht, Karsten; Thomassen, Anne Synnøve; Weber, Sarah; Hirnstein, Marco (Peer reviewed; Journal article, 2022)Transcranial direct current stimulation (tDCS) is used as treatment for auditory verbal hallucinations (AVH). The theory behind the treatment is that tDCS increases activity in prefrontal cognitive control areas, which are ...