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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Haifeng, Jiang Wenxu, Zhuang Hong, Cheng Chuanwei, Li Jiang, Du Haiming, Sun Zhikang, Chen Din, Xu Jijun, Wang Min, Zhao |
| Description | Author Affiliation: Haifeng J ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Wenxu Z ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Hong C ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Chuanwei L ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Jiang D ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Haiming S ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Zhikang C ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China.); Din X ( Shanghai Bureau of Drug Administration, 333 Wusong Road, Shanghai 200080, PR China.); Jijun W ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China. Electronic address: jijunwang27@gmail.com.); Min Z ( Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wanping Road, Shanghai 200030, PR China. Electronic address: drminzhao@gmail.com.) |
| Abstract | BACKGROUND: Substance use and abuse are characterized by biases in the attentional processing of substance-related stimuli. There are no event related potential (ERP)-based studies of attentional bias for substance-related cues among methamphetamine (MA) dependent patients. The study aimed to measure changes in P300 event-related potentials elicited by MA-related words in MA-dependent individuals at baseline and after 3 and 6 months of abstinence, examining the relationship of ERP changes to craving. METHOD: 26 MA-dependent patients (14 male) newly enrolled in two compulsory treatment centers in China and 29 healthy controls (15 male) were included in this study. At baseline (2-3 weeks in treatment) and after 3 and 6 months of abstinence from MA use, we obtained ERP data during a Stroop color-matching task using MA-related and neutral words. Self-reported craving was measured by a Visual Analog Scale (VAS). FINDINGS: Increased P300 amplitudes elicited by MA-related words were observed over left-anterior electrode sites. Abnormal P300 amplitudes declined to the normal levels of healthy controls at the end of 3 months of abstinence, and the decrease was maintained up to the end of 6 months of abstinence. The behavioral data did not show similar changes. The positive relationship between the changes of VAS scores for MA craving and the changes of P300 amplitudes over left anterior electrode sites elicited by MA-related words within the first 3 months was significant. CONCLUSION: These findings highlight the potential use of ERP as an objective index to track changes in subjective MA craving among abstinent MA-dependent patients. |
| File Format | HTM / HTML |
| ISSN | 00319384 |
| Volume Number | 149 |
| e-ISSN | 1873507X |
| Journal | Physiology & Behavior |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-10-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Research Support, Non-u.s. Gov't Central Nervous System Stimulants Psychology Humans Middle Aged Visual Analog Scale Male Reaction Time Electroencephalography Journal Article Young Adult Discipline Physiology Etiology Adult Female Physiology Attention Deficit Disorder With Hyperactivity Adverse Effects Complications Methamphetamine Substance Withdrawal Syndrome Drug Effects Neuropsychological Tests Amphetamine-related Disorders Event-related Potentials, P300 Adolescent Photic Stimulation Longitudinal Studies Discipline Behavioral Neuroscience |
| Content Type | Text |
| Resource Type | Article |
| Subject | Experimental and Cognitive Psychology Behavioral Neuroscience |
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