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Sep 19, 2006

Using VR to assess neglect

Pseudoneglect in back space.

Brain Cogn. 2006 Aug 23;

Authors: Cocchini G, Watling R, Sala SD, Jansari A

Successful interaction with the environment depends upon our ability to retain and update visuo-spatial information of both front and back egocentric space. Several studies have observed that healthy people tend to show a displacement of the egocentric frame of reference towards the left. However representation of space behind us (back space) has never been systematically investigated in healthy people. In this study, by means of a novel visual imagery task performed within a virtual reality environment, we found that representation of right back space is perceived as smaller than the left. These results suggest that there is a selective compression or distortion for mental representation related to the right space behind us.

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