Abstract
Trust is crucial to establishing reciprocal, positive social interactions and seems to be compromised in psychosis. The trust game offers methods to assess an individual’s trust responses to trust-reciprocating, positive feedback. Various computational techniques have been implemented to measure trust responsiveness, mostly based on investments. Here, we propose a new method, focusing on feedback response. Psychosis patients show social dysfunction and reduced trust during early and more progressed illness stages. The present study inspects differences in feedback responsiveness of 102 first-episode psychosis patients (FEPs), 43 chronic psychosis patients (CPs), and 39 healthy controls (HCs) by adopting a novel assessment approach. Additionally, baseline trust, the trust exerted without any prior knowledge of the partner’s trustworthiness, and mean trust were examined. Participants performed a multi-round trust game, playing the investor role, and were paired with a computer, programmed to return at least the invested amount, representing a trustworthy partner. The new method detected group differences, more distinguished than the former methods. Contrary to our expectations, baseline trust was intact in patients. Relative to HCs, patients were less responsive to feedback, failing to integrate the positive information into their decision-making process. The magnitude of returns was not associated with increases in trust. This novel method showed promising results and confirmed patients’ deficits within the social interactional domain.
Original language | English |
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Article number | 59 |
Pages (from-to) | 1-14 |
Number of pages | 14 |
Journal | Games |
Volume | 13 |
Issue number | 5 |
Early online date | 31 Aug 2022 |
DOIs | |
Publication status | Published - Oct 2022 |
Bibliographical note
Funding Information:This research was funded by a Consolidator Grant [European Research Council] grant number 311686 awarded to SS.
Publisher Copyright:
© 2022 by the authors.
Funding
This research was funded by a Consolidator Grant [European Research Council] grant number 311686 awarded to SS.
Funders | Funder number |
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Seventh Framework Programme | 311686 |
European Research Council |
Keywords
- baseline trust
- chronic psychosis
- feedback responsiveness
- first-episode psychosis
- novel technique
- psychotic symptoms
- reward magnitude
- trust game