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数字工作记忆广度的毕生发展及其作用因素
Devel opment in digit working memory span across the life span and its influnetial factors

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李德明 1   刘昌 2   李贵芸 1  
文摘 以10-90岁的1993名自愿者为被试完成该实验研究。结果表:(1)在最简单的心算加工负荷下,数字工作记忆广度约为6±2;(2)在10至90岁范围内,测检的最高成绩在16-19岁组(即高中生组),回归分析表明数安工作记忆广度随年龄的对数呈抛物线变化;(3)教育因素对成年人数字工作记忆广度的随龄化过程有重要作;(4)与我们过去的研究结果相比较,发现数字工作记忆广度受心算加工负荷的影响显著。
其他语种文摘 The experimental studies on development of digit working memory span across the life span and its influential factors were accomplished in 1993 healthy participants aged 10 to 90 years with education of 4 ~ 17 years. The subjects were divided into 10 age groups including 3 student groups with 10 ~ 12, 13 ~ 15, 16~19 years of age and 7 adult groups with an interval of 10 years of age. The education of 3 student groups were separately 4 ~ 6 years (the students in 4 ~ 6 years of primary school) , 7 ~9 years (the students in junior middle school) and 10 ~ 12 years (the students in senior middle school) , and the years of education between the adult groups were matched (mean years of education = 11.1 ±3. 6). The results indicated: (1) The mean of digit working memory span was approximately 6 ± 2 in the processing load of the most simple mental -arithmetic. (2) The best performance of digit working memory span was in the group of 16 to 19 years of age ( in the group of senior middle school students) , and the regressive analyses indicated that digit working memory span changed in a parabola curve with the logarithm of age in ranging from 10 to 90 years of age. (3) There was significant difference in digit working memory span between the adults aged 20 ~ 90 years of age with high education ( > 12 years of education) and low education (12 years of education). It showed that education played an important role in the changing process with age in adults for digit working memory span. (4) It was found that the processing load of mental arithmetic had an obvious effect on digit working memory span as compared with our previous result.
来源 心理学报 ,2003,35(1):63-68 【核心库】
关键词 数字工作记忆广度 ; 年龄 ; 教育 ; 心算加工负荷
地址

1. 中国科学辽院心理研究所, 北京, 100101  

2. 南京师范大学教育科学研究所院心理研究所, 南京, 210097

语种 中文
ISSN 0439-755X
学科 社会科学总论
基金 国家自然科学基金
文献收藏号 CSCD:1299666

参考文献 共 25 共2页

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引证文献 11

1 李德明 认知功能老年化的特点、理论及干预 中国老年学杂志,2003,23(12):805-806
CSCD被引 10

2 李德明 认知年老化和老年心理健康 心理科学进展,2006,14(4):560-564
CSCD被引 16

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