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dc.contributor.authorThonon, Bénédicte
dc.contributor.authorVan Aubel, Evelyne
dc.contributor.authorLafit, Ginette
dc.contributor.authorDella Libera, Clara
dc.contributor.authorLarøi, Frank
dc.PublishedBMC Psychiatry. 2020, 20:464 1-22.
dc.description.abstractBackground Motivational negative symptoms hinder quality of life and daily functioning of individuals with schizophrenia spectrum disorders. A recently developed intervention, Switch, has shown promising effects on negative symptoms and functional outcomes. Switch targets multiple cognitive, emotional and behavioural processes associated with motivation and goal directed behaviours. We aimed to investigate its effects on motivation and associated processes in a naturalistic setting, and to explore the dynamics between the processes. Methods We used a single case approach (n = 3), with a pre-post and follow-up assessment design, which also included ambulatory assessments (experience sampling method, ESM; and step count). We computed autoregressive lag 1 models to evaluate the effects of the intervention on daily motivation levels and related processes, descriptive pie-charts, and vector autoregressive modelling to reveal the dynamics of the processes over time. Results The intervention was beneficial for each participant according to traditional evaluations of motivational negative symptoms, apathy, daily functioning and quality of life. The effects on the ESM variables revealed distinct outcomes for each individual. The dynamics between the various processes differed between participants, and fluctuated within participants (when comparing baseline, intervention phase, and follow-up). Conclusions This study used an innovative approach to look at the effectiveness of an intervention. The intervention seems to lead to meaningful improvements in motivational negative symptoms and functional outcomes. The mechanisms of change need to be further investigated.en_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleIdiographic analyses of motivation and related processes in participants with schizophrenia following a therapeutic intervention for negative symptomsen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.rights.holderCopyright The Author(s)en_US
dc.source.articlenumber464 (2020)en_US
dc.source.journalBMC Psychiatryen_US

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Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal