Working memory and multidimensional schizotypy: Dissociable influences of the different dimensions
Abstract
Compromised working memory is considered a core deficit of schizophrenia and a potential endophenotype for the liability to develop schizophrenia. In keeping with this suggestion, working memory has also been found to be disrupted in people with high levels of schizotypy. However, it is unclear whether this disruption is linked to positive, negative, or disorganized symptoms/characteristics. This issue is the focus of the present investigation. The relationship between multidimensional schizotypy and working memory performance was investigated in 289 participants. Working memory was measured using an n-back task with three conditions; 0-back, 1-back, and 2-back. Covarying for the effect of shared variance between the schizotypy dimensions, we found reduced working memory performance in participants who displayed high levels of positive schizotypy and, to some extent, in participants with low levels of negative schizotypy. The results are discussed in terms of Baddeley's (1986) model of working memory and potential underlying neurological mechanisms.
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Schizotypy is generally associated with impairments in WM.
“studies reported that schizotypy is generally associated with impairments in WM”
From Systematic reviews of the acute effects of amphetamine on working memory and other cognitive performances in healthy individuals, with a focus on the potential influence of personality traits (2023) · cites this paper as Schmidt‐Hansen & Honey, 2009
An explanation of the findings in terms of better memory for the information provided by the templates is implausible in both studies.
“We should add that an explanation of these findings in terms of better memory for the information provided by the templates is implausible in both studies.”
From Shift toward prior knowledge confers a perceptual advantage in early psychosis and psychosis-prone healthy individuals (2015) · cites this paper as [45]
Existing evidence suggests that both early psychosis and high schizotypal characteristics may be associated with poorer working memory.
“Existing evidence suggests that both early psychosis and high schizotypal characteristics may be associated with poorer working memory (44,45).”
From Shift toward prior knowledge confers a perceptual advantage in early psychosis and psychosis-prone healthy individuals (2015) · cites this paper as [45]
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- Authors
- Schmidt-Hansen, M., & Honey, R. C.
- Affiliations
- Cardiff University (GB)
- ORCID
- Honey, R. C.
- Venue
- Cognitive Neuropsychology
- Publisher
- Informa UK Limited
- Published
- 2009-10
- Volume
- 26
- Issue
- 7
- Pages
- 655-670
- ISSN
- 0264-3294 (ISSN-L)
- 1464-0627
- OpenAlex
- W2022781738
- Cited by
- 46
- References
- 49
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 2 · 2023: 4 · 2022: 7 · 2021: 3 · 2020: 1 · 2019: 3 · 2018: 2 · 2017: 4 · 2016: 4 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 2
- FWCI
- 0.41
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Cognitive Neuropsychology (publishedVersion)
- PubMed (publishedVersion)
- ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Keywords
- working memory, positive schizotypy, negative schizotypy, disorganized schizotypy, schizophrenia endophenotype, n-back task, Baddeley's working memory model
- MeSH terms
- Adolescent, Cognition Disorders, Female, Humans, Impulsive Behavior, Male, Memory Disorders, Memory, Short-Term, Neuropsychological Tests, Photic Stimulation, Psychiatric Status Rating Scales, Reaction Time, Schizotypal Personality Disorder, Statistics as Topic, Young Adult
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Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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