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| Content Provider | frontiers |
|---|---|
| Author | Quek, Yue Feng Yang, Zixu Dauwels, Justin Lee, Jimmy |
| Abstract | Introduction Negative symptoms, neurocognitive deficits and functional impairment are prevalent in individuals with major depressive disorder (MDD) and schizophrenia (SCZ). However, unlike neurocognitive deficits, little is known about the role of negative symptoms towards functioning in individuals with MDD. On the other hand, both factors are well-studied in individuals with SCZ. Thus, this study aimed to examine the contributions of negative symptoms and neurocognitive impairments in functioning in individuals with MDD, compared to individuals with SCZ. Methods Participants included 50 individuals with MDD, 49 individuals with SCZ and 49 healthy controls. The following measures were administered – Negative Symptom Assessment (NSA-16), Brief Assessment of Cognition in Schizophrenia (BACS), Patient Health Questionnaire (PHQ-9), and MIRECC-Global Assessment of Functioning (MIRECC-GAF) to evaluate negative symptoms, neurocognition, depressive symptoms and functioning respectively. Results Both MDD and SCZ groups had significantly more severe negative symptoms, depressive symptoms and poorer functioning than healthy controls. Individuals with SCZ performed significantly poorer on the BACS than the other two groups. Both negative symptoms and neurocognition were significantly correlated with social and occupational functioning in SCZ. Motivation subdomain of the negative symptoms was significantly correlated with occupational functioning, while depressive symptoms correlated with functioning in MDD. Conclusion Both negative symptoms and neurocognitive deficits appear to play differential roles on individual domains of functioning between MDD and SCZ. Future longitudinal studies with larger sample sizes should be done for a better understanding about the associations between the factors and functioning. |
| ISSN | 16640640 |
| DOI | 10.3389/fpsyt.2021.648108 |
| Volume Number | 12 |
| Journal | Frontiers in Psychiatry |
| Language | English |
| Publisher Date | 2021-07-26 |
| Access Restriction | Open |
| Subject Keyword | Negative symptoms Functioning Schizophrenia Neurocognition Major Depressive Disorder |
| Content Type | Text |
| Resource Type | Article |
| Subject | Psychiatry and Mental Health |
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