The influence of trial-by-trial feedback on trust in health, first-episode and chronic psychosis

Journal article

Lemmers-Jansen, I., Wichmann, Rune J., Perizonius, Sophie and Shergill, Sukhi S. 2022. The influence of trial-by-trial feedback on trust in health, first-episode and chronic psychosis. Games. 13 (5), p. e59. https://doi.org/10.3390/g13050059
AuthorsLemmers-Jansen, I., Wichmann, Rune J., Perizonius, Sophie and Shergill, Sukhi S.
AbstractTrust 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.
KeywordsTrust game; Novel technique; Feedback responsiveness; Chronic psychosis; First-episode psychosis; Reward magnitude; Baseline trust; Psychotic symptoms
Year2022
JournalGames
Journal citation13 (5), p. e59
PublisherMDPI
ISSN2073-4336
Digital Object Identifier (DOI)https://doi.org/10.3390/g13050059
Official URLhttps://www.mdpi.com/2073-4336/13/5/59
FunderEuropean Research Council
Publication dates
Online31 Aug 2022
Publication process dates
Accepted25 Aug 2022
Deposited05 Sep 2022
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Output statusPublished
Licensehttps://creativecommons.org/licenses/by/4.0/
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