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Wykes T. "Food for Thought": Improving Cognition in People With Schizophrenia. Psychiatry Investig 2024; 21:803-809. [PMID: 39111751 DOI: 10.30773/pi.2023.0320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/22/2023] [Indexed: 08/15/2024] Open
Abstract
OBJECTIVE We have known that cognitive difficulties are related to functional outcomes in schizophrenia for many years. However, we have only paid attention to potential treatments relatively recently, so implementation has been slow. METHODS This is a narrative review describing the development of cognitive remediation treatments to improve cognitive skills and their effects on functioning. It also reviews the types of cognitive remediation with some evidence on their effects. RESULTS Models of treatment have now been clarified and have led to a landmark paper by cognitive remediation experts around the world on the ingredients of cognitive remediation to produce the most benefit. This expert judgement on good clinical practice was justified by a large meta-analysis that supported the extra benefit of the four ingredients: an active therapist, massed practice of cognitive skills, the teaching of cognitive strategies and additional rehabilitation to transfer skills to real life. CONCLUSION Although there is evidence of efficacy and of the beneficial therapy ingredients there is little implementation of cognitive remediation, so the establishment of cognitive remediation into mental health services needs an implementation pathway.
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Affiliation(s)
- Til Wykes
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
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Wykes T, Bowie CR, Cella M. Thinking About the Future of Cognitive Remediation Therapy Revisited: What Is Left to Solve Before Patients Have Access? Schizophr Bull 2024:sbae075. [PMID: 38780191 DOI: 10.1093/schbul/sbae075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
In our previous paper on the Future of Cognitive Remediation published more than 10 years ago, we envisaged an imminent and wide implementation of cognitive remediation therapies into mental health services. This optimism was misplaced. Despite evidence of the benefits, costs, and savings of this intervention, access is still sparse. The therapy has made its way into some treatment guidance, but these documents weight the same evidence very differently, causing confusion, and do not consider barriers to implementation. This paper revisits our previous agenda and describes how some challenges were overcome but some remain. The scientific community, with its commitment to Open Science, has produced promising sets of empirical data to explore the mechanisms of treatment action. This same community needs to understand the specific and nonspecific effects of cognitive remediation if we are to provide a formulation-based approach that can be widely implemented. In the last 10 years we have learned that cognitive remediation is not "brain training" but is a holistic therapy that involves an active therapist providing motivation support, and who helps to mitigate the impact of cognitive difficulties through metacognition to develop awareness of cognitive approaches to problems. We conclude that, of course, more research is needed but, in addition and perhaps more importantly at this stage, we need more public and health professionals' understanding of the benefits of this therapy to inform and include this approach as part of treatment regimens.
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Affiliation(s)
- Til Wykes
- Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, UK
- South London and Maudsley NHS Foundation Trust, London, UK
| | | | - Matteo Cella
- Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, UK
- South London and Maudsley NHS Foundation Trust, London, UK
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Øie MB, Haugen I, Stubberud J, Øie MG. Effects of Goal Management Training on self-efficacy, self-esteem, and quality of life for persons with schizophrenia spectrum disorders. Front Psychol 2024; 15:1320986. [PMID: 38515967 PMCID: PMC10955763 DOI: 10.3389/fpsyg.2024.1320986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/26/2024] [Indexed: 03/23/2024] Open
Abstract
Persons with schizophrenia often show executive dysfunction assessed with both subjective (self-report) and objective (neuropsychological tests) measures. In a recent randomized controlled trial (RCT), subjective executive functioning in everyday life was improved following Goal Management Training (GMT). The aim of the current study is to investigate the potential of GMT to improve secondary well-being outcomes from that RCT, including self-esteem, self-efficacy, and quality of life in persons with schizophrenia spectrum disorders. Since well-being is frequently lower in persons with schizophrenia compared to healthy individuals, further knowledge about well-being as an outcome after cognitive remediation may have implications for clinical treatment. Sixty-five participants were randomly assigned to GMT (n = 31) or a waiting list control condition (n = 34). Assessments were conducted at baseline (T1), immediately after the intervention (T2-5 weeks), and at six-month follow-up (T3). Measures included the Rosenberg Self-Esteem Scale, the Perceived Quality of Life Scale, and the General Self-Efficacy Scale. Results were analyzed using a linear mixed model analysis for repeated measures. There were no significant effects of GMT on self-esteem or quality of life. Only the GMT group showed a significant increase in self-efficacy that was most evident at six months follow-up, F(1, 34) = 10.71, p = 0.002, d = 0.71. Improved self-efficacy was found to correlate significantly with a reduction in perceived executive dysfunction in an exploratory post hoc analysis. Our findings demonstrate the potential of GMT in improving self-efficacy in schizophrenia Clinical trial registration:https://clinicaltrials.gov, NCT03048695.
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Affiliation(s)
| | - Ingvild Haugen
- Research Division, Innlandet Hospital Trust, Brumunddal, Norway
| | - Jan Stubberud
- Department of Psychology, University of Oslo, Oslo, Norway
- Department of Research, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - Merete Glenne Øie
- Department of Psychology, University of Oslo, Oslo, Norway
- Research Division, Innlandet Hospital Trust, Brumunddal, Norway
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Morales-Pillado C, Fernández-Castilla B, Sánchez-Gutiérrez T, González-Fraile E, Barbeito S, Calvo A. Efficacy of technology-based interventions in psychosis: a systematic review and network meta-analysis. Psychol Med 2023; 53:6304-6315. [PMID: 36472150 PMCID: PMC10520607 DOI: 10.1017/s0033291722003610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 04/26/2022] [Accepted: 11/02/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Technology-based interventions (TBIs) are a useful approach when attempting to provide therapy to more patients with psychosis. METHODS Randomized controlled trials of outcomes of TBIs v. face-to-face interventions in psychosis were identified in a systematic search conducted in PubMed/Ovid MEDLINE. Data were extracted independently by two researchers, and standardized mean changes were pooled using a three-level model and network meta-analysis. RESULTS Fifty-eight studies were included. TBIs complementing treatment as usual (TAU) were generally superior to face-to-face interventions (g = 0.16, p ≤ 0.0001) and to specific outcomes, namely, neurocognition (g = 0.13, p ≤ 0.0001), functioning (g = 0.25, p = 0.006), and social cognition (g = 0.32, p ≤ 0.05). Based on the network meta-analysis, the effect of two TBIs differed significantly from zero; these were the TBIs cognitive training for the neurocognitive outcome [g = 0.16; 95% confidence interval (CI) 0.09-0.23] and cognitive behavioral therapy for quality of life (g = 1.27; 95% CI 0.46-2.08). The variables educational level, type of medication, frequency of the intervention, and contact during the intervention moderated the effectiveness of TBIs over face-to-face interventions in neurocognition and symptomatology. CONCLUSIONS TBIs are effective for the management of neurocognition, symptomatology, functioning, social cognition, and quality of life outcomes in patients with psychosis. The results of the network meta-analysis showed the efficacy of some TBIs for neurocognition, symptomatology, and quality of life. Therefore, TBIs should be considered a complement to TAU in patients with psychosis.
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Affiliation(s)
- Carla Morales-Pillado
- Department of Personality, Assessment and Clinical Psychology, School of Psychology, Universidad Complutense de Madrid, Madrid, Spain
- Faculty of Health Science, Universidad Internacional de La Rioja (UNIR), Madrid, Spain
| | - Belén Fernández-Castilla
- Department of Methodology of Behavioral and Health Sciences, Universidad Nacional de Educación a Distancia, Madrid, Spain
| | | | | | - Sara Barbeito
- Faculty of Health Science, Universidad Internacional de La Rioja (UNIR), Madrid, Spain
| | - Ana Calvo
- Department of Personality, Assessment and Clinical Psychology, School of Psychology, Universidad Complutense de Madrid, Madrid, Spain
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Kuo EY, Chern JS, Chu CC. The Effect of Computerized Cognitive Training on Body Function and Activity Participation of Patient with Schizophrenia. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2023; 2023:1-4. [PMID: 38083082 DOI: 10.1109/embc40787.2023.10341178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Schizophrenia spectrum disorder (SSD) is a neurobiological illness that causes considerable deficits in body functions and activity participation. This study examined the effects of a computerized cognitive training (CCT) on cognition, motor functions and activity participation with a quasi-experimental, pretest-posttest design. A total of 14 patients participated. All participants underwent two stages of CCT but one did not complete the posttest. The training was 3 times a week, 40 minutes each time and lasted for 12 weeks. Cognition, upper extremity motor, postural control performance, and activity participation (work behavior) were measured at three times: before and after 6 and 12 weeks of training. CCT improved participant's cognition and work behavior significantly and have the tendency to improve motor function. The training dosage might be insufficient for motor function improvement.Clinical Relevance- SSD patients benefit from the CCT in cognition and work behavior significantly but Motor function slightly.
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Quiles C, Verdoux H. Benefits of video games for people with schizophrenia: a literature review. Curr Opin Psychiatry 2023; 36:184-193. [PMID: 36939366 DOI: 10.1097/yco.0000000000000867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
PURPOSE OF REVIEW In spite of the overwhelming concerns about the deleterious impact of exposure to video games, a growing body of evidence suggests that it may be of potential interest for therapeutic purposes, particularly in schizophrenia. As literature is rapidly evolving, we carried out a systematic review of recent articles on this issue. RECENT FINDINGS We identified seven studies published from 2017 to 2022 exploring the benefits of commercial video games in people with schizophrenia and related disorders regarding symptoms, cognition and functional outcome. Six studies used an RCT design. Associations between gaming and better outcomes were found in three main areas: physical condition (walking speed, aerobic fitness), neurocognition (processing speed, memory and executive functions), and social functioning, self-efficacy in daily life activities and quality of life. SUMMARY Active use of video games is associated with better aerobic fitness and cognitive performances. Video gaming may contribute to better functional outcome and quality of life in patients suffering from cognitive impairments and difficulties in social functioning. Persons with schizophrenia may benefit from using commercial video games because of their potential therapeutic impact on functioning and cognition.
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Affiliation(s)
- Clélia Quiles
- Charles Perrens Hospital Center
- University Bordeaux, Inserm, Bordeaux Population Health Research Center, Team Pharmacoepidemiology, UMR 1219, Bordeaux, France
| | - Hélène Verdoux
- University Bordeaux, Inserm, Bordeaux Population Health Research Center, Team Pharmacoepidemiology, UMR 1219, Bordeaux, France
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Altman RAE, Tan EJ, Rossell SL. Factors Impacting Access and Engagement of Cognitive Remediation Therapy for People with Schizophrenia: A Systematic Review. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 2023; 68:139-151. [PMID: 36448242 PMCID: PMC9974655 DOI: 10.1177/07067437221129073] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
OBJECTIVES Neurocognitive deficits are central in schizophrenia. Cognitive remediation has proven effective in alleviating these deficits, with medium effect sizes. However, sizeable attrition rates are reported, with the reasons still uncertain. Furthermore, cognitive remediation is not part of routine mental health care. We conducted a systematic review to investigate factors that influence access and engagement of cognitive remediation in schizophrenia. METHODS We systematically searched the PubMed, Web of Science, and PsycINFO databases for peer-reviewed articles including a cognitive remediation arm, access, and engagement data, and participants with schizophrenia spectrum disorders aged 17-65 years old. Duplicates and studies without a distinct cognitive remediation component, protocol papers, single case studies, case series, and reviews/meta-analyses were excluded. RESULTS We included 67 studies that reported data on access and engagement, and extracted quantitative and qualitative data. Access data were limited, with most interventions delivered on-site, to outpatients, and in middle- to high-income countries. We found a median dropout rate of 14.29%. Only a small number of studies explored differences between dropouts and completers (n = 5), and engagement factors (n = 13). Dropouts had higher negative symptomatology and baseline self-efficacy, and lower baseline neurocognitive functioning and intrinsic motivation compared to completers. The engagement was positively associated with intrinsic motivation, self-efficacy, perceived usefulness, educational level, premorbid intelligence quotient, baseline neurocognitive functioning, some neurocognitive outcomes, and therapeutic alliance; and negatively associated with subjective cognitive complaints. Qualitative results showed good acceptability of cognitive remediation, with some areas for improvement. CONCLUSIONS Overall, access and engagement results are scarce and heterogeneous. Further investigations of cognitive remediation for inpatients, as well as remote delivery, are needed. Future clinical trials should systematically explore attrition and related factors. Determining influential factors of access and engagement will help improve the implementation and efficacy of cognitive remediation, and thus the recovery of people with schizophrenia.
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Affiliation(s)
- Rosalie Ariane Eva Altman
- Centre for Mental Health, School of Health Sciences, Swinburne University of Technology, Melbourne, Australia
| | - Eric Josiah Tan
- Centre for Mental Health, School of Health Sciences, Swinburne University of Technology, Melbourne, Australia
- Department of Mental Health, St Vincent's Hospital, Melbourne, Australia
| | - Susan Lee Rossell
- Centre for Mental Health, School of Health Sciences, Swinburne University of Technology, Melbourne, Australia
- Department of Mental Health, St Vincent's Hospital, Melbourne, Australia
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Advances in Cognitive Remediation Training in Schizophrenia: A Review. Brain Sci 2022; 12:brainsci12020129. [PMID: 35203893 PMCID: PMC8870375 DOI: 10.3390/brainsci12020129] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/07/2022] [Accepted: 01/14/2022] [Indexed: 11/16/2022] Open
Abstract
Cognitive Remediation Training (CRT) in schizophrenia has made great strides since its introduction in the 1990s. CRT was developed with the aim of improving the everyday functioning of individuals living with cognitive impairment. MEDLINE, PsychINFO, and Google Scholar were searched to extract peer-reviewed randomized controlled trials to produce the current review article. The aim of the present review is to summarize CRT effects on addressing cognitive changes in patients undergoing CRT as defined by the Cognitive Remediation Experts Workshop and to describe the areas of greatest impact in specific cognitive domains. Another area of this review aims to summarize the modalities of intervention (paper and pencil; computerized; home bound), the persistence of improvements, and their generalization to other domains of functioning. Finally, this review delineates barriers for wider dissemination of CRT, such as the transfer of research findings into clinical everyday practice and future developments of CRT.
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The Relationship between Negative Symptoms and Both Emotion Management and Non-social Cognition in Schizophrenia Spectrum Disorders. J Int Neuropsychol Soc 2021; 27:916-928. [PMID: 33342446 DOI: 10.1017/s1355617720001290] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE There is ongoing debate regarding the relationship between clinical symptoms and cognition in schizophrenia spectrum disorders (SSD). The present study aimed to explore the potential relationships between symptoms, with an emphasis on negative symptoms, and social and non-social cognition. METHOD Hierarchical cluster analysis with k-means optimisation was conducted to characterise clinical subgroups using the Scale for the Assessment of Negative Symptoms and Scale for the Assessment of Positive Symptoms in n = 130 SSD participants. Emergent clusters were compared on the MATRICS Consensus Cognitive Battery, which measures non-social cognition and emotion management as well as demographic and clinical variables. Spearman's correlations were then used to investigate potential relationships between specific negative symptoms and emotion management and non-social cognition. RESULTS Four distinct clinical subgroups were identified: 1. high hallucinations, 2. mixed symptoms, 3. high negative symptoms, and 4. relatively asymptomatic. The high negative symptom subgroup was found to have significantly poorer emotion management than the high hallucination and relatively asymptomatic subgroups. No further differences between subgroups were observed. Correlation analyses revealed avolition-apathy and anhedonia-asociality were negatively correlated with emotion management, but not non-social cognition. Affective flattening and alogia were not associated with either emotion management or non-social cognition. CONCLUSIONS The present study identified associations between negative symptoms and emotion management within social cognition, but no domains of non-social cognition. This relationship may be specific to motivation, anhedonia and apathy, but not expressive deficits. This suggests that targeted interventions for social cognition may also result in parallel improvement in some specific negative symptoms.
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Yu W, Tong J, Sun X, Chen F, Zhang J, Pei Y, Zhang T, Zhang J, Zhu B. Analysis of Medication Adherence and Its Influencing Factors in Patients with Schizophrenia in the Chinese Institutional Environment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18094746. [PMID: 33946836 PMCID: PMC8125059 DOI: 10.3390/ijerph18094746] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/20/2021] [Accepted: 04/25/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND Factors related to medication adherence in patients with schizophrenia have always been key to the treatment and rehabilitation of these patients. However, the treatment modes in different countries are not the same, and there is no research on the factors influencing medication adherence under different mental health service modes. OBJECTIVES The purpose of this study was to explore medication adherence and its influencing factors in patients with schizophrenia in the Chinese institutional environment. METHODS We conducted a cross-sectional study of hospitalized persons living with schizophrenia from November 2018 to January 2019. A systematic sampling method was used to select 217 hospitalized persons living with schizophrenia. The Medication Adherence Rating Scale (MARS), Positive and Negative Syndrome Scale (PANSS), General Self-Efficacy Scale (GSES), Schizophrenia Quality of Life Scale (SQLS), and Scale of Social Skills for Psychiatric Inpatients (SSPI) were used to explore medication compliance and its influencing factors in the Chinese institutional environment. RESULTS The descriptive analysis and ANOVA showed that there were no significant differences in medication adherence when assessed by demographic characteristics such as sex, marital status, and education level (p > 0.05). A correlation analysis showed that there was no significant correlation between medication adherence and mental symptoms (p > 0.05) but that there was a positive correlation with self-efficacy, quality of life, and activities of daily living (p < 0.01). The linear regression analysis showed that self-efficacy, psychosocial factors, symptoms/side effects, and activities of daily living had significant effects on medication adherence (F = 30.210, p < 0.001). CONCLUSIONS Our findings show that the self-efficacy, quality of life, and social function of patients with schizophrenia are important self-factors influencing medication adherence in the Chinese institutional environment.
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Tan EJ, Rossell SL, Lee SJ. Impaired meaning-based cognitive skills are specifically associated with poorer subjective quality of life in schizophrenia. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.pmip.2020.100062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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12
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Redlich Bossy M, Mueller D, Seifritz E, Vetter S, Egger ST. Feasibility and Efficacy of a Psychological Therapy for Patients With a Schizophrenic Psychosis in an Inpatient Setting: Study Protocol of a Randomized Switch Controlled Trial. Front Public Health 2020; 8:391. [PMID: 32903368 PMCID: PMC7434967 DOI: 10.3389/fpubh.2020.00391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 07/03/2020] [Indexed: 11/23/2022] Open
Abstract
Background: Schizophrenic psychoses are severe mental disorders. Despite advances in treatment, outcomes are still unsatisfactory. Pharmacological treatments are still limited, in particular regarding improvements in psychosocial functioning and neuro-cognitive impairment. In recent years new psychological therapies have been developed, demonstrating promising results. However, most of these interventions have been designed for and studied in outpatients; their efficacy and feasibility for patients requiring hospitalization is still unknown. Therefore, we have designed a clinical trial to compare a neuro-cognitive (Integrated Neuro-cognitive Treatment INT); a cognitive-behavioral (Integrated Psychological Therapy IPT); and a control (Cogpack CGP) intervention for patients with a schizophrenic psychosis hospitalized for treatment. Methods: In a three-parallel-arm, single-blind, randomized, controlled study, we compare INT, IPT, and CGP. Participants will take part in two weekly sessions of one intervention for at least 16 sessions. If due to randomization, participants are allocated to a treatment arm not suitable for them, they are allowed to switch intervention after four sessions. Based on a sample size calculation, recruitment will continue until 30 participants have completed the intervention for each treatment arm. Outcome Measurement: Primary outcomes are: change in symptom as measured by the Positive and Negative Syndrome Scale (PANSS), change in psychosocial functioning as assessed by the mini ICF-APP and neuro-cognitive performance, assessed by the Matrics Cognitive Consensus Battery (MCCB). Other outcomes of interest are the Brief Symptom Inventory (BSI) and the Health of the Nation Outcome Scales (HoNOS); together with prescribed medication, treatment retention and completion rates. Outcomes will be measured at baseline, 2 weeks into treatment (prior to a potential switch of intervention arm), post-treatment and at 6 and 12-month post-treatment follow-ups. Expected Outcomes: We expect an overall improvement; however, with differences in specific domains for each treatment arm, with those completing INT showing better outcomes than IPT and CGP, respectively. We anticipate that lower functioning participants will drift to CGP and higher functioning participants to INT. Conclusion: Due to the complexity of treatment for patients with a schizophrenic psychosis, we consider it crucial to compare different treatment options for those more severely affected, therefore, requiring inpatient treatment. Trial registration:www.clinicaltrials.gov (ID: NCT03316664; 17.10.2017).
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Affiliation(s)
- Mona Redlich Bossy
- Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, Psychiatric University Hospital of Zurich, University of Zurich, Zurich, Switzerland
| | - Daniel Mueller
- Department of Psychiatry, Faculty of Medicine, University of Bern, Bern, Switzerland
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, Psychiatric University Hospital of Zurich, University of Zurich, Zurich, Switzerland
| | - Stefan Vetter
- Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, Psychiatric University Hospital of Zurich, University of Zurich, Zurich, Switzerland
| | - Stephan T Egger
- Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, Psychiatric University Hospital of Zurich, University of Zurich, Zurich, Switzerland
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Mu K, Shi Q, Ma Y, Tan J. Exploration of Entrepreneurship Education by Linear Regression and Psychological Factor Analysis. Front Psychol 2020; 11:2045. [PMID: 32903411 PMCID: PMC7434862 DOI: 10.3389/fpsyg.2020.02045] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/23/2020] [Indexed: 11/13/2022] Open
Abstract
To study the improvement of the entrepreneurial performance of start-ups and achieve an organic combination of entrepreneurship education and entrepreneurial performance, the entrepreneurial group of college students was taken as the springboard to discuss the entrepreneurial performance of start-ups initiated by college students. First, through questionnaire design and scale selection, the results of the questionnaire survey and the reliability and validity of the scale tool were tested. Second, the variable of college students' entrepreneurial self-efficacy based on psychological factor analysis was introduced. The correlations among entrepreneurship education, entrepreneurial self-efficacy, and entrepreneurial performance were analyzed. Finally, the intermediary role of entrepreneurial self-efficacy was verified by using the hierarchical linear regression analysis method combined with the BARON three-part verification method. The results show that the response rate of the questionnaire is 92%, and the selection of research samples is scientific. The Cronbach's α reliability coefficients corresponding to each scale are all above 0.8, and the common factor variances are all above 0.7. Therefore, the reliability and validity of scale tools are good. Entrepreneurship education, entrepreneurial self-efficacy, and entrepreneurial performance are significantly correlated with each other. The college students' entrepreneurial self-efficacy has a good explanatory ability and plays an intermediary role; in the entrepreneurial innovation learning dimension, its corresponding β = 0.257; in the dimension of school organizational support, the corresponding β = 0.439; in the dimension of social interaction, the corresponding β = 0.238. The results have a reference value for studying entrepreneurship education and the improvement of entrepreneurial performance from a psychological level.
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Affiliation(s)
- Ke Mu
- School of Health Management, Xi’an Medical University, Xi’an, China
| | - Qin Shi
- School of Public Health, Xi’an Medical University, Xi’an, China
| | - Yonghong Ma
- School of Public Health, Xi’an Medical University, Xi’an, China
| | - Jiao Tan
- Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Medical University, Xi’an, China
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Penadés R, Bosia M, Catalán R, Spangaro M, García-Rizo C, Amoretti S, Bioque M, Bernardo M. The role of genetics in cognitive remediation in schizophrenia: A systematic review. SCHIZOPHRENIA RESEARCH-COGNITION 2019; 19:100146. [PMID: 31832337 PMCID: PMC6889757 DOI: 10.1016/j.scog.2019.100146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 04/08/2019] [Accepted: 04/17/2019] [Indexed: 12/12/2022]
Abstract
The role of genetics in cognitive remediation therapies in schizophrenia has not been completely understood yet. Different genes involved in neurotrophic, dopaminergic and serotonin systems have reported to influence cognitive functioning in schizophrenia. These genetic factors could also be contributing to the variability in responsiveness to cognitive treatments. No comprehensive synthesis of the literature of the role of genetics in the context of cognitive remediation has been conducted until now. We aimed to systematically review the published works through three electronic database searches: PubMed, Scopus, and the Cochrane Library. Eligible studies revealed a rising interest in the field although the number of published studies was rather small (n = 10). Eventually, promising results showing a relationship between some phenotypic variations based on different polymorphisms and different levels of responsivity to cognitive remediation therapies have been described although results are still inconclusive. In case those findings will be replicated, they could be guiding future research and informing clinical decision-making in the next future.
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Affiliation(s)
- Rafael Penadés
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
| | - Marta Bosia
- Department of Clinical Neurosciences, IRCCS San Raffaele Scientific Institute, School of Medicine, Vita-Salute San Raffaele University, Milan, Italy
| | - Rosa Catalán
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
| | - Marco Spangaro
- Department of Clinical Neurosciences, IRCCS San Raffaele Scientific Institute, School of Medicine, Vita-Salute San Raffaele University, Milan, Italy
| | - Clemente García-Rizo
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
| | - Silvia Amoretti
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
| | - Miquel Bioque
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
| | - Miquel Bernardo
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Spain
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García-Fernández L, Cabot-Ivorra N, Rodríguez-García V, Pérez-Martín J, Dompablo M, Pérez-Gálvez B, Rodriguez-Jimenez R. Computerized cognitive remediation therapy, REHACOM, in first episode of schizophrenia: A randomized controlled trial. Psychiatry Res 2019; 281:112563. [PMID: 31525673 DOI: 10.1016/j.psychres.2019.112563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 11/30/2022]
Abstract
Patients with schizophrenia show cognitive impairments that have been linked to poor social functioning. Computerized cognitive remediation therapy has shown to be effective in improving both cognition and functioning in chronic schizophrenia, but relatively little is known about how these approaches improve cognition and functioning when applied to early stages of psychosis. Eighty-six participants with a first episode of psychosis, undergoing a specific program for early stages of schizophrenia, undertook either the REHACOM computerized cognitive remediation intervention (n = 36), or an active control condition (n = 50) consisting in 24 one-hour sessions addressed twice a week. Clinical features, cognition and functioning were assessed at baseline, post-treatment and six months after finishing the intervention. A significant progressive improvement in neurocognition and functioning was globally shown with no differences observed between the experimental and control group at post training or follow up. All cognitive domains but Social Cognition improved between 0.5 and 1 S.D. through the study period. The computerized cognitive remediation therapy REHACOM has not proved to be effective on improving cognition nor functioning compared to controls in outpatients with a first episode of schizophrenia.
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Affiliation(s)
- Lorena García-Fernández
- Department of Clinical Medicine, Universidad Miguel Hernández, Edificio Muhammad Al-Shafra, Campus de San Juan, Ctra. De Valencia, Km 87, 03550 San Juan, Alicante, Spain; Department of Psychiatry, Hospital Universitario de San Juan, Alicante, Ctra. Nacional. 332, s/n, 03550 San Juan, Alicante, Spain; CIBERSAM (Biomedical Research Networking Centre in Mental Health), Spain
| | - Nuria Cabot-Ivorra
- Doctoral School, Universidad Católica de Valencia San Vicente Mártir, C/Guillem de Castro, 65 bajo, 46008 Valencia, Spain
| | - Victoria Rodríguez-García
- Department of Psychiatry, Hospital Universitario de San Juan, Alicante, Ctra. Nacional. 332, s/n, 03550 San Juan, Alicante, Spain; Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, KCL.16 De Crespigny Park, Camberwell, London SE5 8AF, UK
| | - Jorge Pérez-Martín
- Department of Psychiatry, Hospital Universitario de San Juan, Alicante, Ctra. Nacional. 332, s/n, 03550 San Juan, Alicante, Spain
| | - Mónica Dompablo
- CIBERSAM (Biomedical Research Networking Centre in Mental Health), Spain; Department of Psychiatry, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas 12), Av. Córdoba s/n, 28041, Madrid, Spain
| | - Bartolomé Pérez-Gálvez
- Department of Clinical Medicine, Universidad Miguel Hernández, Edificio Muhammad Al-Shafra, Campus de San Juan, Ctra. De Valencia, Km 87, 03550 San Juan, Alicante, Spain
| | - Roberto Rodriguez-Jimenez
- CIBERSAM (Biomedical Research Networking Centre in Mental Health), Spain; Department of Psychiatry, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas 12), Av. Córdoba s/n, 28041, Madrid, Spain; CogPsy-Group, Universidad Complutense (UCM), Madrid, Spain.
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16
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Clarke S, Hanna D, Mulholland C, Shannon C, Urquhart C. A systematic review and meta-analysis of digital health technologies effects on psychotic symptoms in adults with psychosis. PSYCHOSIS-PSYCHOLOGICAL SOCIAL AND INTEGRATIVE APPROACHES 2019. [DOI: 10.1080/17522439.2019.1632376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Stephen Clarke
- School of Psychology, Queens University of Belfast, Northern Ireland
| | - Donncha Hanna
- School of Psychology, Queens University of Belfast, Northern Ireland
- Centre for Evidence and Social Innovation, Queens University of Belfast, Northern Ireland
| | - Ciaran Mulholland
- Northern Health and Social Care Trust, Antrim, Northern Ireland
- School of Medicine, Queens University of Belfast, Northern Ireland
| | - Ciaran Shannon
- Northern Health and Social Care Trust, Antrim, Northern Ireland
| | - Callum Urquhart
- School of Psychology, Queens University of Belfast, Northern Ireland
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17
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Biagianti B, Merchant J, Brambilla P, Lewandowski KE. The effects of cognitive remediation in patients with affective psychosis: A systematic review: Special Section on "Translational and Neuroscience Studies in Affective Disorders". Section Editor, Maria Nobile MD, PhD. This Section of JAD focuses on the relevance of translational and neuroscience studies in providing a better understanding of the neural basis of affective disorders. The main aim is to briefly summaries relevant research findings in clinical neuroscience with particular regards to specific innovative topics in mood and anxiety disorders. J Affect Disord 2019; 255:S0165-0327(18)32460-1. [PMID: 30878159 PMCID: PMC6591034 DOI: 10.1016/j.jad.2019.03.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/19/2019] [Accepted: 03/07/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Schizophrenia, schizoaffective disorder, and related illnesses are associated with significant impairment in cognitive functioning which is among the strongest predictors of disability and poor quality of life. Cognitive remediation (CR) was developed as a set of behavioral interventions directly targeting cognitive symptoms. Studies have shown that CR produces cognitive improvements in patients with schizophrenia and bipolar disorder that may be associated with improvements in functioning. However, the relative efficacy of CR across diagnoses has not been established. Indirect evidence suggests that CR is effective in patients with affective illness as well as patients with schizophrenia (SZ); however, the one study to evaluate the effects of diagnosis on outcomes directly in patients with SZ versus schizoaffective disorder (SZA) found no differences by diagnosis. METHODS In this systematic review, we evaluated cognitive and functional outcomes after CR in studies including patients with SZA, and examined specificity of training content to outcomes. RESULTS Sixteen studies met inclusion criteria: 10 studies that compared CR to a control condition (n = 779) and 6 comparative effectiveness studies. None of the studies explicitly compared patients by diagnosis. Studies included a mixture of patients with SZA or SZ. Of the CR versus control studies, effect sizes for cognitive outcomes were moderate-large (d = .36-.94). Studies comparing CR paradigms targeting different cognitive domains showed specificity of training focus to outcomes. Five of studies reported significant functional improvement after CR as secondary outcomes. CONCLUSIONS In this review, we found support for the use of CR paradigms in patients with affective psychosis, with evidence that reported treatment effects in mixed affective and non-affective samples are at or above the levels previously reported in SZ. However, lack of availability of data directly comparing patients by diagnosis or examining moderator or mediator effects of diagnosis or diagnosis-related patient characteristics limits our understanding of the relative efficacy of CR across patient group.
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Affiliation(s)
- Bruno Biagianti
- Posit Science Inc.,160 Pine Street Suite 200, 94111 San Francisco, CA, USA.
| | - Jaisal Merchant
- Schizophrenia and Bipolar Disorder Program, McLean
Hospital, Belmont, MA, USA
| | - Paolo Brambilla
- Department of Pathophysiology and Transplantation,
University of Milan, Milan, Italy,Department of Psychiatry, IRCCS Fondazione Ca’
Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy;,Department of Psychiatry and Behavioral Sciences, The
University of Texas Health Science Center at Houston, McGovern Medical School,
Houston, TX, USA
| | - Kathryn E Lewandowski
- Schizophrenia and Bipolar Disorder Program, McLean
Hospital, Belmont, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston,
MA, USA
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18
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Considering the utility of cognitive remediation therapy in chronic kidney disease. Clin Exp Nephrol 2019; 23:1259-1260. [PMID: 31267262 DOI: 10.1007/s10157-019-01764-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 06/26/2019] [Indexed: 10/26/2022]
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19
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Reser MP, Slikboer R, Rossell SL. A systematic review of factors that influence the efficacy of cognitive remediation therapy in schizophrenia. Aust N Z J Psychiatry 2019; 53:624-641. [PMID: 31177813 DOI: 10.1177/0004867419853348] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Cognitive remediation therapy is a moderately effective intervention for ameliorating cognitive deficits in individuals with schizophrenia-related disorders. With reports of considerable variability in individual response to cognitive remediation therapy, we need to better understand factors that influence cognitive remediation therapy efficacy to realise its potential. A systematic review was conducted to identify and evaluate predictors of cognitive outcome. METHODS An electronic database search was conducted identifying peer-reviewed articles examining predictors of cognitive response to cognitive remediation therapy. RESULTS A total of 40 articles accounting for 1681 cognitive remediation therapy participants were included; 81 distinct predictors of cognitive response were identified. Data synthesis and discussion focused on 20 predictors examined a minimum three times in different studies. Few of the examined predictors of cognitive outcome following cognitive remediation therapy were significant when examined through systematic review. A strong trend was found for baseline cognition, with reasoning and problem solving and working memory being strongly predictive of within-domain improvement. Training task progress was the most notable cross-domain predictor of cognitive outcome. CONCLUSION It remains unclear why a large proportion of participants fail to realise cognitive benefit from cognitive remediation therapy. However, when considering only those variables where a majority of articles reported a statistically significant association with cognitive response to cognitive remediation therapy, three stand out: premorbid IQ, baseline cognition and training task progress. Each of these relates in some way to an individual's capacity or potential for change. There is a need to consolidate investigation of potential predictors of response to cognitive remediation therapy, strengthening the evidence base through replication and collaboration.
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Affiliation(s)
- Maree P Reser
- 1 Centre for Mental Health, Swinburne University of Technology, Hawthorn, VIC, Australia
| | - Reneta Slikboer
- 1 Centre for Mental Health, Swinburne University of Technology, Hawthorn, VIC, Australia
| | - Susan L Rossell
- 1 Centre for Mental Health, Swinburne University of Technology, Hawthorn, VIC, Australia.,2 Psychiatry, St Vincent's Hospital Melbourne, Melbourne, VIC, Australia
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20
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Neurocognitive and Self-efficacy Benefits of Cognitive Remediation in Schizophrenia: A Randomized Controlled Trial - Corrigendum. J Int Neuropsychol Soc 2019; 25:659-660. [PMID: 31290385 DOI: 10.1017/s1355617719000535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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21
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The challenge of well-being and quality of life: A meta-analysis of psychological interventions in schizophrenia. Schizophr Res 2019; 208:16-24. [PMID: 30833133 DOI: 10.1016/j.schres.2019.01.040] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 11/08/2018] [Accepted: 01/27/2019] [Indexed: 02/03/2023]
Abstract
Well-being is a critical outcome in the recovery from psychosis and the prevention of symptoms. Previous reviews of the effectiveness of psychological interventions have focused on psychotic symptoms and general psychopathology, not recognising well-being as an essential outcome. This study conducted a meta-analysis of the effects of psychological interventions on the well-being and quality of life (QoL) of people with schizophrenia and analysed some critical moderating factors. A systematic literature search was conducted yielding 12986 published reports, 2043 of which were clinical trials. After a detailed review, 36 articles were included in the analyses. Measures of related concepts, well-being and quality of life were included in the present meta-analysis to reflect the current state of the literature and to ensure the representativeness of RCTs that have evaluated the effect of psychological interventions on the extent to which people with schizophrenia experience a good life. Our findings reflect a significant, small, treatment effect on the outcomes of well-being. Subgroup analysis also suggested a significant moderating effect when the primary aim of the intervention was well-being. These findings suggest that symptom or functional improvement does not necessarily lead to an improvement in well-being and would imply the need to focus specifically on those. We recommend psychological interventions that target well-being as a complementary strategy in mental health promotion and treatment. In addition, we stress the need to include well-being outcome measure in RCT as well as to clearly identify the different domains of well-being being measured.
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22
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Lee SJ, Lawrence R, Bryce S, Ponsford J, Tan EJ, Rossell SL. Emotional discomfort mediates the relationship between self-efficacy and subjective quality of life in people with schizophrenia. J Ment Health 2019; 30:20-26. [PMID: 30879374 DOI: 10.1080/09638237.2019.1581355] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND In people with schizophrenia, self-efficacy (i.e. the belief in one's capability to perform particular tasks/skills) is associated with and motivates performance of social, health and independent living behaviours. Less well known is whether self-efficacy is associated with subjective quality of life (sQoL) or whether psychopathology impacts this relationship. AIMS Measure whether greater self-efficacy is associated with greater community functioning and sQoL and whether emotional discomfort mediates this relationship. METHOD Fifty-two community living people with schizophrenia completed measures of self-efficacy for everyday living and social situations, clinical symptoms, sQoL and community functioning. RESULTS Greater everyday living and social self-efficacy was significantly correlated with greater sQoL and community functioning and lower emotional discomfort (p < 0.05). Only social self-efficacy was correlated with negative symptoms. The relationship between both aspects of self-efficacy and sQoL was, however, mediated by emotional discomfort. Greater confidence in performing social and everyday living behaviours therefore indirectly impacted sQoL through reducing emotional distress. CONCLUSIONS Holding negative capability self-beliefs may contribute to poorer outcome for people with schizophrenia. Intervention aimed at facilitating recovery should therefore provide opportunities to develop knowledge and skills required for success in desired life roles and the belief that tasks required for success can be performed.
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Affiliation(s)
- Stuart J Lee
- Monash Alfred Psychiatry Research Centre, Central Clinical School, The Alfred and Monash University, Melbourne, Australia.,Department of Psychiatry, Alfred Health, Melbourne, Australia
| | - Richard Lawrence
- Monash Alfred Psychiatry Research Centre, Central Clinical School, The Alfred and Monash University, Melbourne, Australia.,School of Psychological Sciences, Monash University, Clayton, Australia
| | - Shayden Bryce
- Monash Alfred Psychiatry Research Centre, Central Clinical School, The Alfred and Monash University, Melbourne, Australia.,School of Psychological Sciences, Monash University, Clayton, Australia
| | - Jennie Ponsford
- School of Psychological Sciences, Monash University, Clayton, Australia.,Monash-Epworth Rehabilitation Research Centre, Richmond, Australia
| | - Eric J Tan
- Monash Alfred Psychiatry Research Centre, Central Clinical School, The Alfred and Monash University, Melbourne, Australia.,Centre for Mental Health, Swinburne University of Technology, Hawthorn, Australia.,Department of Psychiatry, St Vincent's Hospital, Fitzroy, Australia
| | - Susan L Rossell
- Monash Alfred Psychiatry Research Centre, Central Clinical School, The Alfred and Monash University, Melbourne, Australia.,Centre for Mental Health, Swinburne University of Technology, Hawthorn, Australia.,Department of Psychiatry, St Vincent's Hospital, Fitzroy, Australia
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23
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Wright AL, Phillips LJ, Bryce S, Morey-Nase C, Allott K. Subjective experiences of cognitive functioning in early psychosis: a qualitative study. PSYCHOSIS 2019. [DOI: 10.1080/17522439.2019.1571623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Andrea L. Wright
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Lisa J. Phillips
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Shayden Bryce
- Orygen, The National Centre of Excellence in Youth Mental Health, Parkville, Victoria, Australia
- Centre for Youth Mental Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Catherine Morey-Nase
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Kelly Allott
- Orygen, The National Centre of Excellence in Youth Mental Health, Parkville, Victoria, Australia
- Centre for Youth Mental Health, The University of Melbourne, Melbourne, Victoria, Australia
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24
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How cognitive remediation can be utilized strategically to enhance social and independent living self-efficacy. Schizophr Res 2019; 204:421-422. [PMID: 30145065 DOI: 10.1016/j.schres.2018.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 08/02/2018] [Accepted: 08/11/2018] [Indexed: 11/23/2022]
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