使用WAIS-IV测量工作内存跨度:数字序列是高级跨度测试的超级跨度测试
Jens Egeland1,2, Olaf Lund1, Rune Raudeberg3
1Division of Mental Health & Addiction, Vestfold Hospital Trust, Tonsberg, Norway.
Applied neuropsychology. Adult
|January 20, 2025
概括
数字跨度测序子测试 (DSS) 有效地识别工作记忆缺陷,在临床样本中表现优于字母-数字跨度 (LNS) 和数字跨度向前 (DSF).
科学领域:
- 神经心理学 神经心理学
- 认知心理学 认知心理学
- 心理测量 心理测量 心理测量
背景情况:
- 数字跨度测试是韦克斯勒情报尺度的长期组成部分.
- 最近的版本 (WAIS-IV) 引入了数字跨度测序 (DSS) 子测试,未来的版本 (WAIS-5) 包括视觉工作内存跨度.
- 以前的研究已经质疑传统的数字跨度测量对工作记忆障碍的敏感性.
研究的目的:
- 评估WAIS-IV数字跨度向前 (DSF),数字跨度向后 (DSB),字母-数字跨度 (LNS) 和WMS-III空间跨度 (SS) 在识别工作记忆缺陷方面的敏感性.
- 将这些措施的性能与D-KEFS的Trail Making Test-4 (TMT-4) 作为工作记忆障碍的标准进行比较.
- 在混合临床样本中,研究DSS与LNS相比的诊断实用性.
主要方法:
- 一个混合的临床样本使用WAIS-IV数字跨度 (DSF,DSB),LNS,WMS-III空间跨度 (SS) 和D-KEFS TMT-4进行了评估.
- 性能与规范性数据和指示工作记忆障碍的TMT-4分数 (≤1 SD低于平均值) 相比进行了分析.
- 进行回归分析,使用LNS和TMT-4作为工作记忆 (WM) 的标准测量.
主要成果:
- DSF的分数高于平均值,DSB的分数接近平均值.
- SS和LNS显示轻微损伤,而DSS显著损伤,反映了TMT-4损伤水平.
- 回归分析表明DSF对LNS和TMT-4的变异没有独特的贡献,这表明敏感性有限.
- 在具有语言与非语言学习障碍的个体中,DSF和SS表现之间注意到了双重分离.
结论:
- 数字跨度测序子测试 (DSS) 对工作记忆障碍的敏感性比字母-数字跨度 (LNS) 和传统的数字跨度测量更强.
- 关于复合数字跨度测量的灵敏度的批评得到了这些发现的支持.
- 该研究强调了像DSS这样的特定子测试对于准确评估临床人群中的工作记忆能力的重要性.
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