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<p>Interventions utilizing autobiographical memory (AM) frequently depend on verbal remembrance; nevertheless, their effectiveness may be constrained in the absence of sensory stimuli and emotional reinforcement. Socially Assistive Robots (SARs) provide a multimodal option; yet, there is limited understanding of how robotic contact influences users’ emotional experiences during autobiographical memory recall. We established a pipeline wherein the humanoid robot Pepper performs life-span autobiographical interviews and produces synthetic visuals from real-time speech transcripts. Fifteen adults participated in two counterbalanced conditions during a single session: (i) grasping the robot hand while recounting two memories, and (ii) recounting two memories without tactile interaction. The results show that touch markedly improved affective valence and resulted in a more substantial post-session decline in Negative Affect, mostly due to reductions in evaluations of "nervous" and "Hostile." Arousal and dominance exhibited stability. Participants assessed the system as amiable and intelligent, despite its only mild anthropomorphic qualities. These findings suggest that robotic touch can enhance the enjoyment of robot-mediated memory and specifically alleviate anxiety without modifying the recalled content. The use of a tactile channel enhances the emotional effectiveness of SAR-based AM treatments, establishing a foundation for longitudinal studies including older persons and cognitively at-risk groups.</p>

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The emotional effects of tactile feedback in Human–Robot Interaction for autobiographical memory recall and visualization: a case study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月23日

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  • Ilaria Amaro,
  • Attilio Della Greca,
  • Domenico Rossi,
  • Fabiola De Marco,
  • Alessia Auriemma Citarella,
  • Cesare Tucci,
  • Luigi Di Biasi

摘要

Interventions utilizing autobiographical memory (AM) frequently depend on verbal remembrance; nevertheless, their effectiveness may be constrained in the absence of sensory stimuli and emotional reinforcement. Socially Assistive Robots (SARs) provide a multimodal option; yet, there is limited understanding of how robotic contact influences users’ emotional experiences during autobiographical memory recall. We established a pipeline wherein the humanoid robot Pepper performs life-span autobiographical interviews and produces synthetic visuals from real-time speech transcripts. Fifteen adults participated in two counterbalanced conditions during a single session: (i) grasping the robot hand while recounting two memories, and (ii) recounting two memories without tactile interaction. The results show that touch markedly improved affective valence and resulted in a more substantial post-session decline in Negative Affect, mostly due to reductions in evaluations of "nervous" and "Hostile." Arousal and dominance exhibited stability. Participants assessed the system as amiable and intelligent, despite its only mild anthropomorphic qualities. These findings suggest that robotic touch can enhance the enjoyment of robot-mediated memory and specifically alleviate anxiety without modifying the recalled content. The use of a tactile channel enhances the emotional effectiveness of SAR-based AM treatments, establishing a foundation for longitudinal studies including older persons and cognitively at-risk groups.