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Prompto: Investigating Receptivity to Prompts Based on Cognitive Load from Memory Training Conversational Agent

Published: 18 December 2020 Publication History

Abstract

Prospective memory lapses, which involve forgetting to perform intended actions, affect independent living in older adults. Although memory training using smartphone applications could address them, users are sometimes unaware of available times for training or forget about it, presenting a need for proactive prompts. Existing applications mostly provide time-based prompts and prompts based on users' cognitive contexts remain an under-explored area. We developed Prompto, a conversational memory coach that detects physiological signals to suggest training sessions when users are relaxed and potentially more receptive. Our study with 21 older adults showed that users were more receptive to prompts and memory training under low cognitive load than under high cognitive load. Interviews and an in-the-wild deployment of Prompto indicated that majority of users appreciated the concept, found it helpful and were likely to respond to its prompts. We contribute towards developing technologies with cognitive context-aware prompting based on users' physiological readings.

Supplementary Material

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Supplemental movie, appendix, image and software files for, Prompto: Investigating Receptivity to Prompts Based on Cognitive Load from Memory Training Conversational Agent

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      cover image Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
      Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies  Volume 4, Issue 4
      December 2020
      1356 pages
      EISSN:2474-9567
      DOI:10.1145/3444864
      Issue’s Table of Contents
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      Published: 18 December 2020
      Published in IMWUT Volume 4, Issue 4

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      1. cognitive load
      2. context-aware notifications
      3. conversational agent
      4. memory
      5. older adults
      6. physiological sensing
      7. receptivity

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