Getting a tool gives wings even in schizophrenia: underestimation of tool-related effort in a motor imagery task.
Journal
NPJ schizophrenia
ISSN: 2334-265X
Titre abrégé: NPJ Schizophr
Pays: United States
ID NLM: 101657919
Informations de publication
Date de publication:
15 Sep 2021
15 Sep 2021
Historique:
received:
03
05
2021
accepted:
06
08
2021
entrez:
16
9
2021
pubmed:
17
9
2021
medline:
17
9
2021
Statut:
epublish
Résumé
Humans frequently use tools to reduce action-related efforts. Interestingly, several studies have demonstrated that individuals had tool-related biases in terms of perceived effort reduction during motor imagery tasks, despite the lack of evidence of real benefits. Reduced effort allocation has been repeatedly found in schizophrenia, but it remains unknown how schizophrenia patients perceive tool-related benefits regarding effort. Twenty-four schizophrenia patients and twenty-four nonclinical participants were instructed to move the same quantities of objects with their hands or with a tool in both real and imagined situations. Imagined and real movement durations were recorded. Similarly to nonclinical participants, patients overestimated tool-related benefits and underestimated tool-related effort in terms of time when they mentally simulated a task requiring the use of a tool. No association between movement durations and psychotic symptoms was found. Our results open new perspectives on the issue of effort in schizophrenia.
Identifiants
pubmed: 34526496
doi: 10.1038/s41537-021-00175-y
pii: 10.1038/s41537-021-00175-y
pmc: PMC8443579
doi:
Types de publication
Journal Article
Langues
eng
Pagination
45Informations de copyright
© 2021. The Author(s).
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