Abstract:
:Substance dependent individuals (SDIs) are frequently, but not invariably, impaired on tasks of executive functions. In this study, we examine patterns of executive performance among subjects with different self-reported "drug of choice" (defined as substance used>80% of the time prior to abstinence). Subjects were 33 abstinent SDIs receiving inpatient treatment and 19 non-SDI normal controls (NC) well-matched on age, sex, ethnicity, and VIQ, who were assessed using the Iowa Gambling Task (GT) and a delayed non-match to sample task (DNM): measures of decision making and working memory, respectively. Seventeen SDIs identified alcohol (AL group) and 16 SDIs identified methamphetamine (METH group) as their drug of choice. Overall, the METH group performed more poorly than the NC and AL groups on both tasks, with the largest differences observed in working memory. The AL group was not significantly impaired overall compared to NCs on either task, but showed subtle abnormalities of GT performance similar to the METH group. These preliminary findings suggest that self-reported drug of choice on admission to treatment may be associated with different patterns of executive performance during early recovery.
journal_name
J Clin Exp Neuropsycholjournal_title
Journal of clinical and experimental neuropsychologyauthors
Gonzalez R,Bechara A,Martin EMdoi
10.1080/13803390600582446subject
Has Abstractpub_date
2007-02-01 00:00:00pages
155-9issue
2eissn
1380-3395issn
1744-411Xpii
770388106journal_volume
29pub_type
杂志文章abstract::This study explores the presence of homogeneous subgroups among 156 normal elderly subjects based on their performance on a battery of neuropsychological tests. Subjects ranged in age between 57 and 85 years and included 62 males and 94 females with a mean age 70.7 years, mean education 14.1 years, and mean Full Scale...
journal_title:Journal of clinical and experimental neuropsychology
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doi:10.1080/01688639508405130
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abstract::To investigate interference effects in lateralized temporal lobe epilepsy (TLE), we compared 79 patients with left (n = 43) or right (n = 36) TLE and 33 healthy controls on a verbal memory distractor task (VMDT) structured according to the Brown-Peterson paradigm. The subjects were also administered a selective remind...
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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abstract:INTRODUCTION:A growing body of research suggests that intraindividual variability (IIV) may bring specific information on cognitive functioning, additional to that provided by the mean. The present paper focuses on dispersion, that is IIV across tasks, and its developmental trend across the lifespan. METHOD:A total of...
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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journal_title:Journal of clinical and experimental neuropsychology
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