The role of visuomotor synchrony on virtual full-body illusions in children and adults.

IF 2 4区 心理学 Q2 PSYCHOLOGY Journal of Neuropsychology Pub Date : 2024-05-09 DOI:10.1111/jnp.12372
Hayley Dewe, Oscar Sill, Simon Thurlbeck, Robert W Kentridge, Dorothy Cowie
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Abstract

The present study explored the effects of visuomotor synchrony in virtual reality during the embodiment of a full human avatar in children (aged 5-6 years) and adults. Participants viewed their virtual bodies from a first-person perspective while they moved the body during self-generated and structured movement. Embodiment was measured via questions and psychophysiological responses (skin conductance) to a virtual body-threat and during both movement conditions. Both children and adults had increased feelings of ownership and agency over a virtual body during synchronous visuomotor feedback (compared to asynchronous visuomotor feedback). Children had greater ownership compared to adults during synchronous movement but did not differ from adults on agency. There were no differences in SCRs (frequency or magnitude) between children and adults, between conditions (i.e., baseline or movement conditions) or visuomotor feedback. Collectively, the study highlights the importance of visuomotor synchrony for children's ratings of embodiment for a virtual avatar from at least 5 years old, and suggests adults and children are comparable in terms of psychophysiological arousal when moving (or receiving a threat to) a virtual body. This has important implications for our understanding of the development of embodied cognition and highlights the considerable promise of exploring visuomotor VR experiences in children.

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视觉运动同步性对儿童和成人虚拟全身幻觉的作用。
本研究探讨了儿童(5-6 岁)和成人在虚拟现实中化身全人类时视觉运动同步的影响。参与者以第一人称视角观看自己的虚拟身体,同时在自我生成和结构化的运动中移动身体。通过对虚拟身体威胁的提问和心理生理反应(皮肤传导)以及在两种运动条件下的体现进行测量。在同步视觉运动反馈过程中(与异步视觉运动反馈相比),儿童和成人对虚拟身体的自主感和代理感都有所增强。与成人相比,儿童在同步运动时有更大的自主感,但在代理感方面与成人没有差异。儿童和成人之间、不同条件(即基线或运动条件)或视觉运动反馈之间的 SCR(频率或幅度)均无差异。总之,这项研究强调了视觉运动同步性对于儿童对至少 5 岁以上的虚拟化身的体现评价的重要性,并表明成人和儿童在移动(或受到威胁)虚拟身体时的心理生理唤醒程度相当。这对我们了解具身认知的发展具有重要意义,并凸显了探索儿童视觉运动 VR 体验的巨大前景。
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来源期刊
Journal of Neuropsychology
Journal of Neuropsychology 医学-心理学
CiteScore
4.50
自引率
4.50%
发文量
34
审稿时长
>12 weeks
期刊介绍: The Journal of Neuropsychology publishes original contributions to scientific knowledge in neuropsychology including: • clinical and research studies with neurological, psychiatric and psychological patient populations in all age groups • behavioural or pharmacological treatment regimes • cognitive experimentation and neuroimaging • multidisciplinary approach embracing areas such as developmental psychology, neurology, psychiatry, physiology, endocrinology, pharmacology and imaging science The following types of paper are invited: • papers reporting original empirical investigations • theoretical papers; provided that these are sufficiently related to empirical data • review articles, which need not be exhaustive, but which should give an interpretation of the state of research in a given field and, where appropriate, identify its clinical implications • brief reports and comments • case reports • fast-track papers (included in the issue following acceptation) reaction and rebuttals (short reactions to publications in JNP followed by an invited rebuttal of the original authors) • special issues.
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