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|本期目录/Table of Contents|

 线条朝向的空间构型对视觉工作记忆表征的影响(PDF)

《心理学探新》[ISSN:1003-5184/CN:36-1228/B]

期数:
 2019年05期
页码:
 427-432
栏目:
 认知心理学
出版日期:
 2019-09-30

文章信息/Info

Title:
 Spatial Configuration of Line Orientations Affects Visual Working Memory Representation
文章编号:
1003-5184(2019)05-0427-06
作者:
 周 梁 李彦佼 李润泽 辛晓雯 李寿欣
 (山东师范大学心理学院,济南 250358)
Author(s):
 Zhou Liang Li Yanjiao Li Runze Xin Xiaowen Li Shouxin
 (School of Psychology in Shandong Normal University,Jinan 250358)
关键词:
 视觉工作记忆;  空间构型;  线条朝向;  CDA
Keywords:
 visual working memory;  spatial configuration;  line orientations;  CDA
分类号:
 B842.5
DOI:
 -
文献标识码:
 A
摘要:
 采用行为实验和事件相关电位技术(ERP),通过整体检测的变化觉察范式,探讨线条朝向的空间构型对视觉工作记忆表征的影响及机制。行为结果发现,水平排列线条朝向的视觉工作记忆成绩高于杂乱排列; 水平排列线条朝向有框时的视觉工作记忆成绩低于无框条件; ERP结果发现,无框条件下水平排列的线条朝向诱发的对侧延迟活动的波幅小于有框条件。以上结果说明,水平排列的空间构型能够促进线条朝向的视觉工作记忆表征,这一促进作用的潜在机制可能是水平排列的空间构型能够降低信息表征的负荷。
Abstract:
 The current study investigated how the spatial configuration of line orientations influences visual working memory representation.The change detection paradigm was used,in conjunction with behavioral and event-related potential(ERP)analysis.Behavioral results showed that,the accuracy for detecting the horizontal line orientations was higher than that for detecting the scrambled line orientations; and the accuracy for detecting the horizontal line orientations declined after adding a frame around each line.Adding frames also increased the amplitude of contralateral delay activity(CDA),as revealed by the ERP results.Taken together,these findings suggest that the spatial configuration of horizontal line orientations facilitates the representation in visual working memory.The underlying mechanism of this facilitation is that the spatial configuration of horizontal line orientations can reduce the memory load of information representation in visual working memory.

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备注/Memo

备注/Memo:
 基金项目:国家自然科学基金(31470973,31871100)。 通讯作者:李寿欣,E-mail:shouxinli@sdnu.edu.cn。
更新日期/Last Update:  2019-09-30