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ReminiScentia: shaping olfactory interaction in a personal space for multisensory stimulation therapy
Personal and Ubiquitous Computing Pub Date : 2020-10-06 , DOI: 10.1007/s00779-020-01468-2
Raúl Casillas-Figueroa , Alberto L. Morán , Victoria Meza-Kubo , Cristina Ramírez-Fernández , Christian Acosta-Quiroz , Felipe Orihuela-Espina , Samuel Montero-Hernandez

Recently, multimodal interfaces are incorporating smell as an additional means of interaction. Devices called olfactory displays have been designed to improve applications with various objectives, such as notifying or alerting through scents, increasing immersion in virtual or augmented reality applications, or learning and enhancement of mental functions. Based on the potential of olfactory memory to evoke memories and emotions to benefit health and well-being, we propose ReminiScentia as an olfactory display to generate and deliver scents. This work presents an evaluation of the effectiveness of ReminiScentia in evoking brain responses similar to those generated by manually delivered scents. To achieve this, we monitored the hemodynamic responses during manual and ReminiScentia olfactory stimulation over the prefrontal cortex (PFC) by using a functional near-infrared spectroscopy (fNIRS) device in 33 healthy subjects. Among the results, it was found that when ReminiScentia was used to deliver the olfactory stimuli, there is no statistically significant difference in the magnitude of concentration changes of OxyHb in the PFC between manual deliver and ReminiScentia (Wilcoxon: p > 0.05). The effectiveness of the use of ReminiScentia has allowed us not only its application for the evocation of memories in a multisensory therapy but also to propose an olfactory interaction design space where olfactory stimuli are used to provide feedback or instructions in multisensory stimulation activities that could support the training of higher mental functions such as memory and learning in patients with cognitive disabilities.



中文翻译:

ReminiScentia:在个人空间中进行嗅觉相互作用以进行多感觉刺激治疗

最近,多模式界面将气味作为一种额外的交互方式。被设计为嗅觉显示器的设备旨在改善具有各种目标的应用程序,例如通过气味发出通知或发出警报,增加对虚拟或增强现实应用程序的沉浸感或学习和增强心理功能。基于嗅觉记忆唤起记忆和情感以有益于健康和福祉的潜力,我们建议ReminiScentia作为产生和传递气味的嗅觉展示。这项工作提出了ReminiScentia在诱发类似于人工传递的气味所产生的大脑反应方面的有效性评估。为了达成这个,我们使用功能性近红外光谱仪(fNIRS)对33位健康受试者的前额叶皮层(PFC)进行了手动和ReminiScentia嗅觉刺激期间的血流动力学响应。在这些结果中,发现使用ReminiScentia传递嗅觉刺激时,手动传递和ReminiScentia之间PFC中OxyHb的浓度变化幅度在统计学上没有显着差异(Wilcoxon:p  > 0.05)。使用ReminiScentia的有效性不仅使我们能够在多感官疗法中唤起记忆,而且还提出了一个嗅觉交互设计空间,其中嗅觉刺激可用于在多感官刺激活动中提供反馈或指导,从而支持认知障碍患者的高级心理功能的训练,例如记忆和学习。

更新日期:2020-10-07
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