Top, Alexandra (2024) Assessing Agency in Schizophrenia: A Systematic Review of Measurement Instruments. Master thesis, Psychology.
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Abstract
Sense of agency (SoA), the ability to feel in control of your own actions and thoughts, is significantly impaired in schizophrenia patients. However, there is an ongoing debate regarding which measurement method is the most efficient in assessing SoA in schizophrenia patients and its association with the disease’s symptoms. The aim of the current systematic review is to assess the currently available literature regarding these two questions. Studies that: (a) included adults with a clinically defined diagnosis of a psychotic disorder and (b) used validated tools (e.g., scales, questionnaires, self-reports, clinical interviews) of assessing and measuring the individuals’ SoA, were eligible for inclusion. The search was conducted using PubMed and PsycInfo. We identified 683 studies and included in the analysis 19 studies that met the inclusion criteria. The methodological quality of the reviewed studies was assessed using the Newcastle Ottawa Scale (NOS). The studies used the following types of tasks for measuring SoA: motor agency tasks, agency attribution tasks, projected hand illusion tasks, agency inference tasks, intentional binding tasks, and scales. Seven of the included studies also focused on the association between schizophrenia symptoms and SoA disturbances. Our results show that all studies found SoA disturbances in schizophrenia patients. However, we could not observe a pattern regarding the type of measurement instrument used. Regarding schizophrenia symptoms and SoA, there are mixed results regarding this association.
| Item Type: | Thesis (Master) |
|---|---|
| Supervisor name: | Pijnenborg, G.H.M. |
| Degree programme: | Psychology |
| Differentiation route: | Clinical Neuropsychology (CN) [Master Psychology] |
| Date Deposited: | 06 Jun 2024 11:16 |
| Last Modified: | 06 Jun 2024 11:16 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/3381 |
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