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Demir G, Bandawe C. The Interest in Betting, Smoking, Alcohol, and Drugs in Malawi: Changing Trends between 2012-2022. Malawi Med J 2024; 36:30-37. [PMID: 39086368 PMCID: PMC11287816 DOI: 10.4314/mmj.v36i1.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024] Open
Abstract
Background In recent years, the online gambling market has rapidly developed, and betting has become one of the most popular forms of gambling. The aim of this study was to analyse the interest of the Malawian population in terms related to betting, sports betting, alcohol, cigarettes, and some psychoactive drugs through the relative search volumes of Google Trends. Methods Internet search query data related to betting, sports betting, alcohol, cigarettes, and psychoactive drugs were obtained monthly from Google Trends for the period 2010-2022. Comparisons of interest levels in these topics were conducted in Malawi, and correlation coefficients were calculated. Results In Malawi, relative search volumes for betting and sports betting terms were the highest (average RSVs: 66% and 30%). It was found that from 2019 onwards, the interest in betting and sports-related search topics and keywords increased significantly (p < 0.001). Strong positive correlations were found between betting-related keywords and alcohol and gross domestic product (r = 0.831 and r = 0.901, p < 0.001). A positive correlation was found between betting and psychoactive drug-related terms (minimum r = 0.417, p < 0.01). Conclusions This study concludes that the interest of the Malawian population in betting has increased in recent years, while interest in psychoactive drugs and alcohol remains high. Gross domestic product is highly correlated with society's interest in betting. It was additionally found that Google Trends can be used as a tool to predict and monitor future risky behaviours, such as gambling disorder.
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Affiliation(s)
- Gülcan Demir
- Sinop University, Vocational School of Health Services, Department of Medical Services and Techniques, Turkey
| | - Chiwoza Bandawe
- Kamuzu University of Health Sciences, Department of Mental Health, Malawi
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Müller SM, Antons S, Wegmann E, Ioannidis K, King DL, Potenza MN, Chamberlain SR, Brand M. A systematic review and meta-analysis of risky decision-making in specific domains of problematic use of the internet: Evidence across different decision-making tasks. Neurosci Biobehav Rev 2023; 152:105271. [PMID: 37277009 DOI: 10.1016/j.neubiorev.2023.105271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/01/2023] [Accepted: 06/02/2023] [Indexed: 06/07/2023]
Abstract
This systematic review summarizes empirical evidence on risky decision-making (objective risk and ambiguity) in specific domains of problematic use of the internet (PUI) focusing on online addictive behaviors. We conducted a pre-registered (PROSPERO: CRD42020188452) PubMed search for PUI domains: gaming, social-network use, online buying-shopping, online pornography use, and unspecified PUI. We used the Newcastle-Ottawa Scale for quality assessment. Relevant studies were identified only for gaming (n = 19), social-network use (n = 8), unspecified PUI (n = 7), and online gambling (n = 1). The meta-analyses included 25 studies (2498 participants) comparing PUI and control groups regarding decision-making performance under objective risk and ambiguity. Across PUI domains, individuals with PUI compared to control participants showed more disadvantageous decision-making in measures of objective risk (g = -0.42 [-0.69, -0.16], p = .002) but not ambiguity (g = -0.22 [-0.47, -0.04], p = .096). PUI domain and gender were significant moderators. In the risk domain, effects were particularly present in gaming disorder, especially in exclusively male samples. Overall, the paucity of empirical studies in the considered area necessitates further research to identify probable gender- and disorder-specific cognitive relationships.
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Affiliation(s)
- Silke M Müller
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Duisburg, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany.
| | - Stephanie Antons
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Duisburg, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany
| | - Elisa Wegmann
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Duisburg, Germany
| | - Konstantinos Ioannidis
- Department of Psychiatry, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK; Southern Health NHS Foundation Trust, Cambridge, UK
| | - Daniel L King
- College of Education, Psychology, & Social Work, Flinders University, Adelaide, Australia
| | - Marc N Potenza
- Departments of Psychiatry and Child Study Center, Yale School of Medicine, New Haven, CT, USA; Connecticut Council on Problem Gambling, Wethersfield, CT, USA; Connecticut Mental Health Center, New Haven, CT, USA; Departments of Neuroscience and the Wu Tsai Institute, New Haven, CT, USA
| | - Samuel R Chamberlain
- Department of Psychiatry, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK; Southern Health NHS Foundation Trust, Cambridge, UK
| | - Matthias Brand
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Duisburg, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany
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Valenciano-Mendoza E, Mora-Maltas B, Mestre-Bach G, Munguía L, Richard J, Derevensky JL, Potenza MN, Jiménez-Murcia S. Clinical Correlates of Sports Betting: A Systematic Review. J Gambl Stud 2023; 39:579-624. [PMID: 37004597 PMCID: PMC10066997 DOI: 10.1007/s10899-023-10196-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2023] [Indexed: 04/04/2023]
Abstract
Sports betting is becoming increasingly widespread, and a growing number of individuals, both adolescents and adults, participate in this type of gambling. The main aim of this systematic review was to assess correlates of sports betting (sociodemographic features, gambling-related variables, co-occurring psychopathologies, and personality tendencies) through a systematic review conducted following the PRISMA guidelines. Relevant studies were identified via searches of NCBI/PubMed and APA PsycInfo databases. Individuals from the general population and/or with a clinical diagnosis of gambling disorder (GD) were included, irrespective of gender and age. In addition, the studies needed to have administered at least one clinical interview/psychometric instrument to assess the presence of problematic gambling/GD, contain at least one group of participants with sports betting, and directly analyze the association between sports betting and any of the following features: sociodemographics, gambling-related variables, co-occurring psychopathologies, and/or personality tendencies. Fifty-four articles were included. Multiple sociodemographic variables have been studied in relation to sports betting. In general, males with high impulsivity have greater tendencies for sports betting. The co-occurrence of certain pathologies, especially substance use or other addictive disorders, was also suggested. Most studies were cross-sectional, assessed participants using self-administered instruments, recruited samples using non-probability online panels, included small samples, had unbalanced samples, and included samples from only one country. Impulsive males may be particularly prone to sports gambling and related problems. Future research should examine prevention strategies that may help prevent the development of sport-betting-related GD and other addictive behaviors in vulnerable individuals.
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Affiliation(s)
- Eduardo Valenciano-Mendoza
- Clinical Psychology Unit, Bellvitge University Hospital, c/ Feixa Llarga s/n, 08907 Barcelona, Spain
- Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Bernat Mora-Maltas
- Clinical Psychology Unit, Bellvitge University Hospital, c/ Feixa Llarga s/n, 08907 Barcelona, Spain
- Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | | | - Lucero Munguía
- Clinical Psychology Unit, Bellvitge University Hospital, c/ Feixa Llarga s/n, 08907 Barcelona, Spain
- Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Jérémie Richard
- Department of Educational and Counselling Psychology, McGill University, Montreal, Québec Canada
| | - Jeffrey L. Derevensky
- Department of Educational and Counselling Psychology, McGill University, Montreal, Québec Canada
| | - Marc N. Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT USA
- Child Study Center, Yale University School of Medicine, New Haven, CT USA
- Connecticut Mental Health Center, New Haven, CT USA
- Connecticut Council on Problem Gambling, Wethersfield, CT USA
- Department of Neuroscience, Yale University, New Haven, CT USA
- Wu Tsai Institute, Yale University, New Haven, CT USA
| | - Susana Jiménez-Murcia
- Clinical Psychology Unit, Bellvitge University Hospital, c/ Feixa Llarga s/n, 08907 Barcelona, Spain
- Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
- Ciber Fisiopatología Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain
- Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
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Gambling in Sub-Saharan Africa: Traditional Forms and Emerging Technologies. CURRENT ADDICTION REPORTS 2022; 9:373-384. [PMID: 36312763 PMCID: PMC9595076 DOI: 10.1007/s40429-022-00449-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2022] [Indexed: 11/18/2022]
Abstract
Purpose of Review The gambling industry in Africa has seen substantial growth and evolution over recent years with a growing body of literature describing these shifts. Here, we provide a narrative synthesis of the extant literature on the origins, trends and consequences of the expansion and intensification of the commercial gambling industry in sub-Saharan Africa with a reference for future research on gambling as a growing public health concern. Recent Findings The historical shift and permeation of gambling in sub-Saharan Africa is diverse with evidence of certain countries following a neo-colonial logic. Advances in technology have made gambling more accessible and created new markets in Africa. A key motive driving gambling on the continent is a lack of stable employment. While the intensification and growth of Africa’s gambling industry has brought economic benefits to some African investors and individuals, this has been accompanied by a range of gambling harms. Legislation and policies designed to better regulate the gambling industry and redress these harms are needed. In this context, a small number of services and campaigns designed to mitigate gambling harms demonstrate promise, but more research is needed in this area. Summary The gambling industry in sub-Saharan Africa has undergone a dramatic transformation. While it is true that the growth of the African gambling industry has provided an additional revenue stream to governments, it is also necessary to acknowledge the concurrent rise in gambling addiction and the health-related and social harms that it elicits. As such, designing effective regulatory measures and policy interventions that can reduce the public health burden of gambling harms is vital. However, these interventions need to take in to account the significance of cultural differences that exist among countries on the continent.
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Mestre-Bach G, Granero R, Mora-Maltas B, Valenciano-Mendoza E, Munguía L, Potenza MN, Derevensky JL, Richard J, Fernández-Aranda F, Menchón JM, Jiménez-Murcia S. Sports-betting-related gambling disorder: Clinical features and correlates of cognitive behavioral therapy outcomes. Addict Behav 2022; 133:107371. [PMID: 35691124 DOI: 10.1016/j.addbeh.2022.107371] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND AIMS The number of patients with gambling disorder (GD) whose gambling preference is sports betting is increasing. However, their clinical profile and their responses to psychological treatments -compared to patients with other forms of gambling- have not been thoroughly studied. Therefore, the aims of this study were: (1) to compare the clinical characteristics of GD patients whose primary gambling activity was sports betting (SB+; n = 113) with GD patients with other primary gambling activities (SB-; n = 1,135); (2) to compare treatment outcomes (dropout and relapses) between SB + and SB- patients; and (3) to explore relationships between specific variables (GD severity, psychological distress and personality features) and treatment outcome in SB + and SB- GD patients, through correlation models and path-analysis. METHODS The cognitive behavioral treatment consisted of 16 weekly sessions. Personality features, psychopathology, and sociodemographic and clinical factors were assessed. RESULTS The SB + group included higher proportions of younger patients who were single and had higher educational levels, older ages of GD onset, and greater GD severities. Regarding treatment outcomes, the dropout rate was lower in the SB + group, and no between-group differences were found regarding relapse. Dropout within the SB + group was related to being unemployed, and relapse was related to being unmarried and experiencing more psychological distress. DISCUSSION AND CONCLUSION The differences between SB + and SB- GD patients suggest that GD patients with sports-betting problems may benefit from tailored therapeutic approaches.
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Affiliation(s)
| | - Roser Granero
- Departament de Psicobiologia i Metodologia de les Ciències de la Salut, Universitat Autònoma de Barcelona, Barcelona, Spain; Ciber Fisiopatología Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain; Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
| | - Bernat Mora-Maltas
- Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain; Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
| | - Eduardo Valenciano-Mendoza
- Ciber Fisiopatología Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain; Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain; Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
| | - Lucero Munguía
- Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain.
| | - Marc N Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA; Child Study Center, Yale University School of Medicine, New Haven, CT, USA; Connecticut Mental Health Center, New Haven, CT, USA; Connecticut Council on Problem Gambling, Wethersfield, CT, USA; Department of Neuroscience, Yale University, New Haven, CT, USA.
| | - Jeffrey L Derevensky
- Department of Educational and Counselling Psychology, McGill University, Montreal, Québec, Canada.
| | - Jérémie Richard
- Department of Educational and Counselling Psychology, McGill University, Montreal, Québec, Canada.
| | - Fernando Fernández-Aranda
- Ciber Fisiopatología Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain; Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain; Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain; Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
| | - José M Menchón
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA; Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain; CIBER Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain; Psychiatry and Mental Health Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
| | - Susana Jiménez-Murcia
- Ciber Fisiopatología Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain; Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain; Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain; Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), 08908, Barcelona, Spain.
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Torrance J, Roderique-Davies G, Greville J, O’Hanrahan M, Davies N, Sabolova K, John B. Conceptualising emotional and cognitive dysregulation amongst sports bettors; an exploratory study of ‘tilting’ in a new context. PLoS One 2022; 17:e0264000. [PMID: 35176068 PMCID: PMC8853566 DOI: 10.1371/journal.pone.0264000] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 02/02/2022] [Indexed: 11/18/2022] Open
Abstract
Tilting is a poker-related phenomenon that involves cognitive and emotional dysregulation in response to unfavourable gambling outcomes. Tilting is characterised by an increase in irrational, impulsive and strategically weak betting decisions. This study aimed to adapt and investigate the concept of tilting amongst sport bettors in order to provide preliminary insight regarding previously unexplored instances of maladaptive sports betting. The sample consisted of 225 sports bettors who completed an online questionnaire that investigated their reported tilting episodes, awareness of tilting, impulsivity, perceived skill, gambling severity, gambling frequency, and product preferences. Cluster analyses revealed three distinct groups of sports bettors based on their reported tilting episodes and their awareness of this phenomenon. The first group were labelled ‘Conscious tilters’ due to being cognizant of their own tilting occurrence which was significantly higher than the other two groups. These ‘Conscious tilters’ had the highest mean problem gambling severity that was indicative of the ‘problem gambler’ categorisation. The second group were labelled ‘Unconscious tilters’ due to their underestimation of their own tilting occurrence and were categorised as ‘moderate risk gamblers’. The third group were labelled ‘Non-tilters’ due to a relatively accurate perception of their low to non-existent tilting occurrence and were categorised as ‘low-risk gamblers’. Additionally, there were significant differences between these groups in relation to reported gambling frequency, impulsivity, and product preferences. There is evidence of various classifications of ‘tilters’ within sports betting. Specific sports betting product features may also facilitate tilting and therefore require further research in this context. It is important for this research area to develop in order to mitigate harms associated with the rapidly changing sport betting environment.
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Affiliation(s)
- Jamie Torrance
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
- * E-mail:
| | - Gareth Roderique-Davies
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
| | - James Greville
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
| | - Marie O’Hanrahan
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
| | - Nyle Davies
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
| | - Klara Sabolova
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
| | - Bev John
- Addictions Research Group, School of Psychology and Therapeutic Studies, University of South Wales, Pontypridd, United Kingdom
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Nyemcsok C, Pitt H, Kremer P, Thomas SL. Viewing young men’s online wagering through a social practice lens: implications for gambling harm prevention strategies. CRITICAL PUBLIC HEALTH 2022. [DOI: 10.1080/09581596.2022.2031888] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Christian Nyemcsok
- Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
| | - Hannah Pitt
- Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
| | - Peter Kremer
- Centre for Sport Research, School of Exercise & Nutrition Sciences, Faculty of Health, Deakin University, Geelong, Australia
| | - Samantha L. Thomas
- Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
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Gambling in Transition: Assessing Youth Narratives of Gambling in Nigeria. J Gambl Stud 2020; 37:59-82. [PMID: 32996037 DOI: 10.1007/s10899-020-09982-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2020] [Indexed: 10/23/2022]
Abstract
Nigeria has witnessed some significant changes in gambling which have resulted in more people becoming interested in the activity. In an attempt to increase participation, bookmakers have introduced a variety of innovations. Literature has established that this increased participation is inter-generational, cross-cultural, and inter-religious. Particularly among Nigerian youth, participation in gambling cuts across all age groups, socio-economic status, and gender. Both financial and social rewards have been identified as reasons why many youths gamble. Through a qualitative lens, this study investigates how the dynamics of gambling in recent times have affected the biographies of youth within a relatively deprived socio-economic locality in Kwara State, Nigeria. Thirty young gamblers between the ages of 15 and 29 were engaged in a semi-structured interview session. Drawing from the meaning of 'youth' from a sociological lexicon, one can advance this unique narrative of the transitions in gambling activities which can occur as a result of the youths' biographies and socio-economic status. Nigerian youth adopt three specific gambling types as a coping strategy in the face of a crisis-ridden socio-economic structure characterised by poverty, and unemployment. As such, gambling has become a normative activity experimented by the youth to survive the harsh economic conditions. This study therefore argues the need to situate the discourse of youth gambling within the social, cultural, and economic context in which they are located in Nigeria. In addition, the authors provide a framework for understanding the complexity of youth gambling in Nigeria.
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Nweze T, Nwani W. Contributions of Working Memory and Inhibition to Cognitive Flexibility in Nigerian Adolescents. Dev Neuropsychol 2020; 45:118-128. [PMID: 32412307 PMCID: PMC7116232 DOI: 10.1080/87565641.2020.1765169] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
This study used a novel approach that combined the latency and accuracy scores to examine the relative involvement of inhibition and working memory in two measures of cognitive flexibility – mixing cost and switch cost in 110 Nigerian adolescents. Results showed that inhibition was significantly associated with switch cost. On the other hand, working memory was negatively associated with mixing cost. These findings support the assumption that cognitive flexibility skills are dependent on inputs from inhibition and working memory processes. Inhibition is involved in the deactivation of irrelevant stimuli during switching trials while working memory is essential to maintain the current rule in sets that require no shifting.
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Affiliation(s)
- Tochukwu Nweze
- Department of Psychology, University of Nigeria , Nsukka, Nigeria.,MRC Cognition and Brain Sciences Unit, University of Cambridge , Cambridge, UK
| | - Wisdom Nwani
- Department of Psychology, University of Nigeria , Nsukka, Nigeria
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