威廉姆斯综合征人群中自我中心与异我中心参照框架的使用有多灵活？
How Flexible is the Use of Egocentric Versus Allocentric Frame of Reference in the Williams Syndrome Population?
作者信息
Heiz J, Majerus S, Barisnikov K
机构信息
University of Geneva, Department of Psychology, Child Clinical Neuropsychology Unit, 1211 Genève 4, Switzerland.
Psychology and Neuroscience of Cognition Research Unit, 4000 Liège, Belgium and Fonds de la Recherche Scientifique FNRS, Belgium.
出版信息
Arch Clin Neuropsychol. 2018 Aug 1;33(5):619-630. doi: 10.1093/arclin/acx097.
OBJECTIVE
This study examined the spontaneous use of allocentric and egocentric frames of reference and their flexible use as a function of instructions.
METHOD
The computerized spatial reference task created by Heiz and Barisnikov (2015) was used. Participants had to choose a frame of reference according to three types of instructions: spontaneous, allocentric and egocentric. The performances of 16 Williams Syndrome participants between 10 and 41 years were compared to those of two control groups (chronological age and non-verbal intellectual ability).
RESULTS
The majority of Williams Syndrome participants did not show a preference for a particular frame of reference. When explicitly inviting participants to use an allocentric frame of reference, all three groups showed an increased use of the allocentric frame of reference. At the same time, an important heterogeneity of type of frame of reference used by Williams Syndrome participants was observed.
CONCLUSION
Results demonstrate that despite difficulties in the spontaneous use of allocentric and egocentric frames of reference, some Williams Syndrome participants show flexibility in the use of an allocentric frame of reference when an explicit instruction is provided.
目的
本研究考察了自我中心和他我中心参照系的自发使用情况，以及它们作为指令函数的灵活使用情况。
方法
采用了由海茨和巴里西尼科夫（2015年）创建的计算机化空间参照任务。参与者必须根据三种类型的指令选择一种参照系：自发的、他我中心的和自我中心的。将16名年龄在10至41岁之间的威廉姆斯综合征参与者的表现与两个对照组（实际年龄和非言语智力能力）的表现进行了比较。
结果
大多数威廉姆斯综合征参与者没有表现出对特定参照系的偏好。当明确邀请参与者使用他我中心参照系时，所有三组都表现出对他我中心参照系的使用增加。同时，观察到威廉姆斯综合征参与者使用的参照系类型存在重要的异质性。
结论
结果表明，尽管在自发使用他我中心和自我中心参照系方面存在困难，但一些威廉姆斯综合征参与者在提供明确指令时，在使用他我中心参照系方面表现出灵活性。
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