Visuospatial working memory underlies choice-impulsivity in boys with attention-deficit/hyperactivity disorder

被引：34
|
作者：
Patros, Connor H. G. [1 ]
Alderson, R. Matt [1 ]
Lea, Sarah E. [1 ]
Tarle, Stephanie J. [1 ]
Kasper, Lisa J. [1 ]
Hudec, Kristen L. [1 ]
机构：
[1] Oklahoma State Univ, Dept Psychol, Stillwater, OK 74078 USA
来源：
RESEARCH IN DEVELOPMENTAL DISABILITIES | 2015年 / 38卷
关键词：
ADHD; Impulsivity; Working memory; Executive functions; DEFICIT HYPERACTIVITY DISORDER; DUAL PATHWAY MODEL; SHORT-TERM-MEMORY; DELAY AVERSION; BEHAVIORAL-INHIBITION; SELF-CONTROL; RESPONSE-INHIBITION; ADHD; CHILDREN; INTELLIGENCE;
D O I：
10.1016/j.ridd.2014.12.016
中图分类号：
G76 [特殊教育];
学科分类号：
040109 ;
摘要：
The present study examined the directional relationship between choice-impulsivity and separate indices of phonological and visuospatial working memory performance in boys (aged 8-12 years) with (n = 16) and without ADHD (n = 19). Results indicated that high ratings of overall ADHD, inattention, and hyperactivity were significantly associated with increased impulsivity and poorer phonological and visuospatial working memory performance. Further, results from bias-corrected bootstrapped mediation analyses revealed a significant indirect effect of visuospatial working memory performance, through choice-impulsivity, on overall ADHD, inattention, and hyperactivity/impulsivity. Collectively, the findings suggest that deficits of visuospatial working memory underlie choice-impulsivity, which in turn contributes to the ADHD phenotype. Moreover, these findings are consistent with a growing body of literature that identifies working memory as a central neurocognitive deficit of ADHD. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：134 / 144
页数：11
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