通过振动心跳增强机器人触感，提升用户情绪调节能力
Soothing Sensations: Enhancing Interactions with a Socially Assistive Robot through Vibrotactile Heartbeats
- 在PARO机器人表面添加振动心跳反馈
- 30人实验显示触觉反馈显著提升情感支持感
- 适合情感陪伴机器人设计与心理健康应用
与社交助手机器人进行身体互动可促进用户福祉。然而，当前触觉体验通常仅限于感知机器人运动或外壳质感，而如振动触觉等可增强触摸感受的模态尚未充分探索。本研究通过探索性定性方法，探究在PARO机器人上引入振动心跳反馈对用户情绪调节的影响，旨在缓解压力情境下的主观不适。我们对30名参与者进行了深度一对一访谈，让他们单独观看三段恐怖片剪辑，分别在无机器人、有PARO、以及带有振动心跳的PARO三种条件下进行。结果表明，PARO的存在及其交互能力可通过注意力转移帮助用户从压力源中解脱；振动心跳进一步增强了机器人的物理与社会存在感，提升了其提供的社会情感支持水平和拟生命感。研究还讨论了个体差异对体验的影响，为未来拟真振动触觉设计提供了实践启示。
原文摘要 · Abstract (English)
Physical interactions with socially assistive robots (SARs) positively affect user wellbeing. However, haptic experiences when touching a SAR are typically limited to perceiving the robot's movements or shell texture, while other modalities that could enhance the touch experience with the robot, such as vibrotactile stimulation, are under-explored. In this exploratory qualitative study, we investigate the potential of enhancing human interaction with the PARO robot through vibrotactile heartbeats, with the goal to regulate subjective wellbeing during stressful situations. We conducted in-depth one-on-one interviews with 30 participants, who watched three horror movie clips alone, with PARO, and with a PARO that displayed a vibrotactile heartbeat. Our findings show that PARO's presence and its interactive capabilities can help users regulate emotions through attentional redeployment from a stressor toward the robot. The vibrotactile heartbeat further reinforced PARO's physical and social presence, enhancing the socio-emotional support provided by the robot and its perceived life-likeness. We discuss the impact of individual differences in user experience and implications for the future design of life-like vibrotactile stimulation for SARs.
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