• In the twilight zone: An epidemiological study of sleep-related hallucinations 

      Bless, Josef Johann; Hugdahl, Kenneth Jan; Kråkvik, Bodil; Vedul-Kjelsås, Einar; Kalhovde, Anne Martha; Grønli, Janne; Larøi, Frank (Peer reviewed; Journal article, 2021)
      Background Few studies have investigated hallucinations that occur at the onset/offset of sleep (called hypnagogic/hypnopompic hallucinations; HHHs), despite the fact that their prevalence in the general population is ...
    • Olfactory hallucinations in a population-based sample 

      Wehling, Eike Ines; Bless, Josef J; Hirnstein, Marco; Kråkvik, Bodil; Vedul-Kjelsås, Einar; Hugdahl, Kenneth; Kalhovde, Anne Martha; Larøi, Frank (Peer reviewed; Journal article, 2021)
      Olfactory hallucinations referring to olfactory perceptions in the absence of chemical stimuli, occur in non-clinical and clinical populations. Few studies have investigated their prevalence in the general population and ...