Psychological Development and Education ›› 2013, Vol. 29 ›› Issue (3): 247-254.

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A Study on the Storage of Object and Spatial Working Memory for the Graphs with Features of Double Dimensions

WU Wen-chun   

  1. Department of Education, Hanshan Normal University, Chaozhou 521041
  • Online:2013-05-15 Published:2013-05-15

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Abstract: The study investigated the storage mechanism and capacity of visual object working memory and visual spatial working memory for the graphs with features of double dimensions using change-detection paradigm. 40 participants aged 20.56±1.73 were randomly divided into two equal groups. They completed Experiment 1 and Experment 2 seperately. The stimulus graphs in experiment 1 were presented by basic features of color and shape, and that landolt rings in experiment 2 were presented by color and orientation. The results of two experiments both showed: (1) There was no significant difference between the memory accuracy of feature exchange condition and that of single feature change condition. (2) The performance of visual object working memory task was significantly higher than that of visual spatial working memory task. (3) Subjects could remember 2-3 objects and 3-4 spatial locations in visual working memory. These suggested that, the graphs with features of double dimensions were stored as integrated units in visual object and visual spatial working memory, and the storage capacity of spatial working memory was higher than that of object working memory.

Key words: object working memory, spatial working memory, store, capacity, graphs with features of double dimensions

CLC Number: 

  • B844.3
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