Elevated neurobehavioral symptoms are associated with everyday functioning problems in chronic methamphetamine users.

Elevated neurobehavioral symptoms are associated with everyday functioning problems in chronic methamphetamine users.
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DOI:
10.1176/appi.neuropsych.11080192
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发表时间:
2012
期刊:
The Journal of neuropsychiatry and clinical neurosciences
影响因子:
--
通讯作者:
TMARC Group
TMARC Group
中科院分区:
其他
文献类型:
--
作者:
Cattie JE;Woods SP;Iudicello JE;Posada C;Grant I;TMARC Group

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长期使用甲基苯丙胺(MA)通常与神经损伤和神经认知缺陷有关。我们检查了自我报告的神经行为症状的性质和相关性(即,情感淡漠、精神障碍和执行功能障碍)的研究。MA+个体在额叶系统行为量表(FrSBe)上支持更严重的神经行为症状,特别是去抑制和执行功能障碍。神经行为症状的升高与常见的合并症无关,包括丙型肝炎感染、注意力缺陷/多动障碍、情绪障碍和其他物质使用因素。值得注意的是,神经行为症状的严重程度与MA依赖样本中工具性日常生活活动的自我报告减少唯一相关。研究结果表明,长期MA用户可能会遇到升高的神经行为症状的去抑制和执行功能障碍,可能会增加他们的功能下降的风险。
Chronic methamphetamine (MA) use is commonly associated with neural injury and neurocognitive deficits. We examined the nature and correlates of self-reported neurobehavioral symptoms (i.e., apathy, disinihibition, and executive dysfunction) in 73 individuals with histories of MA dependence (MA+) and 85 comparison participants with comparable demographics and risk histories. MA+ individuals endorsed significantly more severe neurobehavioral symptoms on the Frontal Systems Behavioral Scale (FrSBe), especially disinhibition and executive dysfunction. Elevations in neurobehavioral symptoms were independent of common comorbidities, including hepatitis C infection, Attention-Deficit/Hyperactivity Disorder, mood disorders, and other substance use factors. Notably, the severity of neurobehavioral symptoms were uniquely associated with self-reported decrements in instrumental activities of daily living in the MA dependent sample. Findings indicate that chronic MA users may experience elevated neurobehavioral symptoms of disinhibition and executive dysfunction, potentially increasing their risk of functional declines.
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