• Efficacy of different types of cognitive enhancers for patients with schizophrenia: a meta-analysis 

      Sinkeviciute, Igne; Begemann, Marieke; Prikken, Merel; Oranje, Bob; Johnsen, Erik; Lei, Wan U.; Hugdahl, Kenneth; Kroken, Rune Andreas; Rau, Carina; Jacobs, Jolien D.; Mattaroccia, Silvia; Sommer, Iris Else Clara (Peer reviewed; Journal article, 2018)
      Cognitive impairment is a core feature of schizophrenia, which is predictive for functional outcomes and is, therefore, a treatment target in itself. Yet, literature on efficacy of different pharmaco-therapeutic options ...
    • Occurrence and phenomenology of hallucinations in the general population: A large online survey 

      Linszen, Mascha M. J.; de Boer, Janna N.; Schutte, Maya J. L.; Begemann, Marieke J. H.; de Vries, Jacqueline; Koops, Sanne; Blom, Renske E.; Bohlken, Marc M.; Heringa, Sophie M.; Blom, Jan Dirk; Sommer, Iris Else Clara (Journal article; Peer reviewed, 2022)
      Although epidemiological studies report that hallucinations occur in 6–15% of the general population, little is known about their phenomenology. To overcome this paucity, this study investigates the phenomenological ...