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Impaired directed forgetting in abstinent heroin addicts
Zou, Zhiling2,3; Zhang, John X.1; Huang, Xiting2; Weng, Xuchu3; Zhang, JX (reprint author), Chinese Univ Hong Kong, Dept Psychol, Shatin, Hong Kong, Peoples R China.
2011
Source PublicationMEMORY
ISSN0965-8211
SubtypeArticle
Volume19Issue:1Pages:36-44
Contribution Rank2
AbstractDrug-related memories persist long into abstinence and are potent elicitors of drug craving and relapse. We report two experiments examining whether heroin-dependent individuals are impaired in intentionally suppressing drug-related memories. Experiment 1 adopted the Item paradigm where addicts and healthy controls were presented with a list of words each followed by a remember or forget cue. Experiment 2 adopted the List paradigm where they studied one list of items and were then split into a remember group and a forget group. Both groups studied a second list, except that the forget group was told to forget the first list. Compared with controls, addicts showed a reduced directed forgetting effect in the Item method and a total absence of one measure of directed forgetting in the List method (List 2 benefits). Results indicate that heroin addicts are impaired in directed forgetting and that the deficits are likely associated with memory encoding as opposed to retrieval. Possible problems include reduced ability in actively suppressing/stopping encoding of irrelevant information into memory or inability in changing/resetting encoding strategies. In neither experiment did the addicts show any differential directed forgetting effects between drug-related words and neutral words, indicating the generic nature of their intentional forgetting deficits.
KeywordDirected forgetting Heroin addicts Drug-related stimuli Inhibition Encoding
Subject AreaMedical Psychology
DOI10.1080/09658211.2010.532806
Indexed BySSCI
Language英语
Funding Project二室翁旭初课题组
WOS IDWOS:000287407400003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/6941
Collection认知与发展心理学研究室
Corresponding AuthorZhang, JX (reprint author), Chinese Univ Hong Kong, Dept Psychol, Shatin, Hong Kong, Peoples R China.
Affiliation1.Chinese Univ Hong Kong, Dept Psychol, Shatin, Hong Kong, Peoples R China
2.Southwest Univ, Sch Psychol, Chongqing, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zou, Zhiling,Zhang, John X.,Huang, Xiting,et al. Impaired directed forgetting in abstinent heroin addicts[J]. MEMORY,2011,19(1):36-44.
APA Zou, Zhiling,Zhang, John X.,Huang, Xiting,Weng, Xuchu,&Zhang, JX .(2011).Impaired directed forgetting in abstinent heroin addicts.MEMORY,19(1),36-44.
MLA Zou, Zhiling,et al."Impaired directed forgetting in abstinent heroin addicts".MEMORY 19.1(2011):36-44.
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