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我到底在哪里?自我定位判断分布在头部和躯干之间。

Where exactly am I? Self-location judgements distribute between head and torso.

作者信息

Alsmith Adrian J T, Longo Matthew R

机构信息

Center for Subjectivity Research, University of Copenhagen, Denmark.

Department of Psychological Sciences, Birkbeck, University of London, United Kingdom.

出版信息

Conscious Cogn. 2014 Feb;24:70-4. doi: 10.1016/j.concog.2013.12.005. Epub 2014 Jan 21.

Abstract

I am clearly located where my body is located. But is there one particular place inside my body where I am? Recent results have provided apparently contradictory findings about this question. Here, we addressed this issue using a more direct approach than has been used in previous studies. Using a simple pointing task, we asked participants to point directly at themselves, either by manual manipulation of the pointer whilst blindfolded or by visually discerning when the pointer was in the correct position. Self-location judgements in haptic and visual modalities were highly similar, and were clearly modulated by the starting location of the pointer. Participants most frequently chose to point to one of two likely regions, the upper face or the upper torso, according to which they reached first. These results suggest that while the experienced self is not spread out homogeneously across the entire body, nor is it localised in any single point. Rather, two distinct regions, the upper face and upper torso, appear to be judged as where "I" am.

摘要

我明确地位于我的身体所在之处。但在我身体内部是否有一个特定的位置是我所在的呢?最近的研究结果对于这个问题给出了明显相互矛盾的发现。在此,我们采用了一种比以往研究更为直接的方法来解决这个问题。通过一个简单的指向任务,我们要求参与者直接指向自己,要么在蒙眼的情况下手动操作指针,要么在视觉上辨别指针何时处于正确位置。触觉和视觉模态下的自我定位判断高度相似,并且明显受到指针起始位置的调节。参与者最常选择指向两个可能的区域之一,即上脸或上躯干,这取决于他们首先触及的是哪个区域。这些结果表明,虽然经验中的自我并非均匀地分布在整个身体上,也不是局限于任何一个单点。相反,两个不同的区域,即上脸和上躯干,似乎被判定为“我”所在的位置。

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