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Cognitive functions in smoking and non-smoking patients with Check for schizophrenia: A systematic review and meta-analysis of comparative updates. studies
Yuan-Yuan Wang1,2; Shuo Wang3,4,5; Wei Zheng6; Bao-Liang Zhong7; Chee H. Ng8; Gabor S. Ungvari9,10; Chun-Xue Wang3,4,5; Yu-Tao Xiang2; Xiao-Hong Li11
2019-02
Source PublicationPsychiatry Research
ISSN0165-1781
Volume272Pages:155-163
Abstract

The “Self-medication hypothesis” that has been developed to explain the effect of nicotine in improving aspects of cognitive impairment in schizophrenia remains controversial. This systematic review and meta-analysis compared cognitive functions between smoking and non-smoking schizophrenia patients. The PubMed, PsycINFO, EMBASE, Web of Science, and Cochrane Library databases were systematically and independently searched. Basic demographic and clinical characteristics, smoking history and cognitive performance were recorded. Seven of the 11 studies included in the study, had meta-analyzable data. Compared to non-smoking schizophrenia patients, their smoking counterparts showed significant deficits on the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS)-immediate memory (n = 739), the RBANS-total score (n = 739) and the Continuous Performance Test-Identical Pairs (n = 157). Two of the 4 studies without meta-analysable data did not report significant group difference in performance on the Wechsler Digit Span Task and the Beck Cognitive Insight Scale, while the other 2 studies found that non-smokers outperformed than smokers in problem solving and visual learning. In conclusion, this systematic review and meta-analysis found that smoking schizophrenia patients had worse performance in certain cognitive tasks than non-smoking patients, casting doubts on the validity of the “self-medication hypothesis” that needs to be further examined.

DOI10.1016/j.psychres.2018.12.064
Indexed BySSCI
Language英语
WOS Research AreaPsychiatry
WOS SubjectPsychiatry
WOS IDWOS:000460994400024
Fulltext Access
Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Corresponding AuthorYu-Tao Xiang; Xiao-Hong Li
Affiliation1.Faculty of Health and Life Sciences, De Montfort University, Leicester, UK
2.Unit of Psychiatry, Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao SAR, China
3.Neurology Center, Beijing Tian Tan Hospital, Capital Medical University, Beijing, China
4.Department of Neuropsychiatry & Behavioral Neurology and Clinical Psychology, Beijing Tian Tan Hospital, Capital Medical University, Beijing, China
5.China National Clinical Research Center for Neurological Diseases, Beijing, China
6.The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
7.The Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
8.Department of Psychiatry, University of Melbourne, Melbourne, Victoria, Australia
9.Section of Psychiatry, University of Notre Dame Australia, Fremantle, Australia
10.Division of Psychiatry, Medical School, University of Western Australia, Perth, Australia
11.The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
First Author AffilicationFaculty of Health Sciences
Corresponding Author AffilicationFaculty of Health Sciences
Recommended Citation
GB/T 7714
Yuan-Yuan Wang,Shuo Wang,Wei Zheng,et al. Cognitive functions in smoking and non-smoking patients with Check for schizophrenia: A systematic review and meta-analysis of comparative updates. studies[J]. Psychiatry Research,2019,272:155-163.
APA Yuan-Yuan Wang.,Shuo Wang.,Wei Zheng.,Bao-Liang Zhong.,Chee H. Ng.,...&Xiao-Hong Li.(2019).Cognitive functions in smoking and non-smoking patients with Check for schizophrenia: A systematic review and meta-analysis of comparative updates. studies.Psychiatry Research,272,155-163.
MLA Yuan-Yuan Wang,et al."Cognitive functions in smoking and non-smoking patients with Check for schizophrenia: A systematic review and meta-analysis of comparative updates. studies".Psychiatry Research 272(2019):155-163.
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