Article (Scientific journals)
Idiographic analyses of motivation and related processes in participants with schizophrenia following a therapeutic intervention for negative symptoms
Thonon, Bénédicte; Van Aubel, Evelyne; Lafit, Ginette et al.
2020In BMC Psychiatry, 20 (464)
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Keywords :
apathy; intervention; ecological momentary assessment; timeseries analyses; dynamics; single case
Abstract :
[en] Background: 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 and 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 efficacy of an intervention. The intervention seems to lead to significant improvements. The mechanisms of change need to be further investigated.
Disciplines :
Treatment & clinical psychology
Author, co-author :
Thonon, Bénédicte  ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Van Aubel, Evelyne;  KU Leuven > Department of Neurosciences > Center for Contextual Psychiatry
Lafit, Ginette;  KU Leuven > Department of Neurosciences > Center for Contextual Psychiatry
Della Libera, Clara ;  Université de Liège - ULiège > Département de Psychologie > Psychologie clinique cognitive et comportementale
Laroi, Frank  ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Language :
English
Title :
Idiographic analyses of motivation and related processes in participants with schizophrenia following a therapeutic intervention for negative symptoms
Publication date :
2020
Journal title :
BMC Psychiatry
eISSN :
1471-244X
Publisher :
BioMed Central, United Kingdom
Volume :
20
Issue :
464
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Available on ORBi :
since 03 May 2020

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