The Role of Temporal Order in Egocentric and Allocentric Spatial Representations

被引:3
|
作者
Iachini, Tina [1 ]
Ruotolo, Francesco [1 ]
Rapuano, Mariachiara [1 ]
Sbordone, Filomena Leonela [1 ]
Ruggiero, Gennaro [1 ]
机构
[1] Univ Campania L Vanvitelli, Dept Psychol, I-81100 Caserta, Italy
关键词
egocentric; allocentric spatial reference frames; temporal order; embodied spatial cognition; REFERENCE FRAMES; WORKING-MEMORY; NEURAL BASIS; SPACE; TIME; BRAIN; MIND; NAVIGATION; ATTENTION; HUMANS;
D O I
10.3390/jcm12031132
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Several studies have shown that spatial information is encoded using two types of reference systems: egocentric (body-based) and/or allocentric (environment-based). However, most studies have been conducted in static situations, neglecting the fact that when we explore the environment, the objects closest to us are also those we encounter first, while those we encounter later are usually those closest to other environmental objects/elements. In this study, participants were shown with two stimuli on a computer screen, each depicting a different geometric object, placed at different distances from them and an external reference (i.e., a bar). The crucial manipulation was that the stimuli were shown sequentially. After participants had memorized the position of both stimuli, they had to indicate which object appeared closest to them (egocentric judgment) or which object appeared closest to the bar (allocentric judgment). The results showed that egocentric judgements were facilitated when the object closest to them was presented first, whereas allocentric judgements were facilitated when the object closest to the bar was presented second. These results show that temporal order has a different effect on egocentric and allocentric frames of reference, presumably rooted in the embodied way in which individuals dynamically explore the environment.
引用
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页数:12
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