Proactive interference and practice effects in visuospatial working memory span task performance

被引:14
作者
Blalock, Lisa Durrance [1 ]
McCabe, David P. [2 ]
机构
[1] Univ W Florida, Sch Psychol & Behav Sci, Pensacola, FL 32514 USA
[2] Colorado State Univ, Dept Psychol, Ft Collins, CO 80523 USA
关键词
Visuospatial working memory; Proactive interference; Fluid intelligence; Practice; INDIVIDUAL-DIFFERENCES; CAPACITY; ABILITIES; ATTENTION; INTELLIGENCE; INHIBITION; AGE;
D O I
10.1080/09658211.2010.537035
中图分类号
B84 [心理学];
学科分类号
010107 [宗教学];
摘要
In the current study the influence of proactive interference (PI) and practice on recall from a visuospatial working memory (WM) task was examined. Participants completed a visuospatial WM span task under either high-PI conditions (a traditional span task) or low-PI conditions (a span task with breaks between trials). Trials of each length (i.e., two to five to-be-remembered items) were equally distributed across three blocks in order to examine practice effects. Recall increased across blocks to a greater extent in the low-PI condition than in the high-PI condition, indicating that reducing PI increased recall from WM. Additionally, in the final block the correlation between fluid intelligence and WM recall was stronger for the high-PI condition than the low-PI condition, indicating that practice reduced the strength of the correlation between span task recall and fluid intelligence, but only in the low-PI condition. These results support current theories that propose that one source of variability in recall from WM span task is the build-up of PI, and that PI build-up is an important contributing factor to the relation between visuospatial WM span task recall and higher-level cognition.
引用
收藏
页码:83 / 91
页数:9
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