Working memory capacity and psychotic-like experiences in a general population sample of adolescents and young adults

Frontiers in Psychiatry
Tim B Ziermans

Abstract

Working memory (WM) impairment is a common feature in individuals with schizophrenia and high-risk for psychosis and a promising target for early intervention strategies. However, it is unclear to what extent WM impairment parallels specific behavioral symptoms along the psychosis continuum. To address this issue, the current study investigated the relation of WM capacity with psychotic-like experiences (PLEs) in a large Swedish population sample (N = 1012) of adolescents and young adults (M = 24.4 years, range 12-35). WM was assessed with two online computer tasks: a task where participants had to identify and remember the location of an odd shape and a task of remembering and following instructions. PLE scores were derived from a translated symptom questionnaire (Community Assessment of Psychic Experiences), which includes positive, negative, and depressive symptom scales. Positive and negative symptom scales were further subdivided into symptom clusters based on factor analyses. The results showed that low WM capacity was modestly associated with increased reports of bizarre experiences (BE) and depressive symptoms, after controlling for age, gender, and global symptom scores. Interestingly, when analyses were repeated for s...Continue Reading

Citations

Jan 8, 2016·Psychiatry Research·Sebastian Therman, Tim B Ziermans
Jul 8, 2015·Schizophrenia Bulletin·Winifred Mark, Timothea Toulopoulou
Oct 29, 2015·Schizophrenia Research·Annamaria WikströmJaana Suvisaari
Dec 15, 2015·Revista de psiquiatrí́a y salud mental·Oscar Martín-SantiagoVicente Molina
Jun 2, 2015·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Lena K L OestreichThomas J Whitford
Jul 30, 2014·Frontiers in Psychiatry·André Schmidt, Stefan Borgwardt
Jan 4, 2020·European Child & Adolescent Psychiatry·Jordina TorInmaculada Baeza
Sep 1, 2021·International Journal of Methods in Psychiatric Research·Edo S JayaTania M Lincoln

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