The Role of Age on Multisensory Bodily Experience: An Experimental Study with a Virtual Reality Full-Body Illusion.
The Role of Age on Multisensory Bodily Experience: An Experimental Study with a Virtual Reality Full-Body Illusion.
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DOI：
10.1089/cyber.2017.0674
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发表时间：
2018-05
期刊：
影响因子：
--
通讯作者：
Riva G
中科院分区：
文献类型：
--
作者：
Serino S;Scarpina F;Dakanalis A;Keizer A;Pedroli E;Castelnuovo G;Chirico A;Catallo V;di Lernia D;Riva G
越来越多的证据表明，诱使对人造身体的所有权来改变身体体验是可行的。然而，在完全利用这些方法在临床实践中之前，需要解决关于全身错觉应用的几个未知方面。这项工作致力于探索在全身错觉诱导的身体表征的塑造变化中可能存在的与年龄相关的个体差异。根据可变年龄的中位数，共有40名女性被分为两个不同的年龄组。参与者估计了三个不同身体部位(即肩部、腹部和臀部)的宽度，在产生整个错觉之前(基线)，以及在同步和非同步条件之后。结果显示，26岁至55岁的参与者对身体错觉引起的变化更具抵抗力，而19岁至25岁的参与者在这两种情况下都低估了自己的身体。这些发现是根据研究身体错觉反应的年龄差异的文献进行讨论的，这可能表明这些个体差异背后的贝叶斯机制。
A growing body of evidence demonstrated that it is feasible to induce ownership over an artificial body to alter bodily experience. However, several uncharted aspects about full-body illusion applications need to be tackled before a complete exploitation of these methods in clinical practice. This work is devoted to explore possible individual age-related differences in shaping changes in body representations induced with a full-body illusion. A total of 40 women were divided into two different age groups according to the median of the variable age. Participants estimated the width of three different body parts (i.e., shoulders, abdomen, and hips) before the entire illusion was induced (baseline), and after the synchronous and the asynchronous conditions. Results revealed that 26-to-55-year-old participants were more resistant to changes induced by the bodily illusion, whereas 19-to-25-year-old participants underestimated their bodies after both conditions. The findings were discussed in terms of the literature exploring age differences in responses to bodily illusion, which could suggest a Bayesian mechanism underlying these individual differences.
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