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Non-Invasive Measurement of Cognitive Load and Stress Based on the Reflected Stress-Induced Vascular Response Index

Published: 24 July 2018 Publication History

Abstract

Measuring cognitive load and stress is crucial for ubiquitous human--computer interaction applications to dynamically understand and respond to the mental status of users, such as in smart healthcare, smart driving, and robotics. Various quantitative methods have been employed for this purpose, such as physiological and behavioral methods. However, the sensitivity, reliability, and usability are not satisfactory in many of the current methods, so they are not ideal for ubiquitous applications. In this study, we employed a reflected photoplethysmogram-based stress-induced vascular response index, i.e., the reflected sVRI (sVRI-r), to non-invasively measure the cognitive load and stress. This method has high usability as well as good sensitivity and reliability compared with the previously proposed transmitted sVRI (sVRI-t). We developed the basic methodology and detailed algorithm framework to validate the sVRI-r measurements, and it was implemented by employing two light sources, i.e., infrared light and green light. Compared with the simultaneously recorded blood pressure, heart rate variation, and sVRI-t, our findings demonstrated the greater potential of the sVRI-r for use as a sensitive, reliable, and usable parameter, as well as suggesting its potential integration with ubiquitous touch interactions for dynamic cognition and stress-sensing scenarios.

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  • (2023)Development of a System for Calculating the Correlation between Blink Attributes and Attention CharacteristicsCyber-Physical Systems and Control II10.1007/978-3-031-20875-1_36(392-401)Online publication date: 21-Jan-2023
  • (2020)A Systematic Review of Empirical Measures of Workload CapacityACM Transactions on Applied Perception10.1145/342286917:3(1-26)Online publication date: 19-Oct-2020

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  1. Non-Invasive Measurement of Cognitive Load and Stress Based on the Reflected Stress-Induced Vascular Response Index

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    Published In

    cover image ACM Transactions on Applied Perception
    ACM Transactions on Applied Perception  Volume 15, Issue 3
    July 2018
    144 pages
    ISSN:1544-3558
    EISSN:1544-3965
    DOI:10.1145/3208320
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 24 July 2018
    Accepted: 01 February 2018
    Revised: 01 November 2017
    Received: 01 February 2017
    Published in TAP Volume 15, Issue 3

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    Author Tags

    1. Cognitive load
    2. mental effort
    3. photoplethysmogram
    4. reflected stress-induced vascular response index
    5. stress

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    • Refereed

    Funding Sources

    • Chinese National Key Research and Development Program
    • China Scholarship Council
    • ubihealth
    • Tsinghua University Initiative Scientific Research Program, the Research Fund from Beijing Innovation Center for Future Chip

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    View all
    • (2023)Development of a System for Calculating the Correlation between Blink Attributes and Attention CharacteristicsCyber-Physical Systems and Control II10.1007/978-3-031-20875-1_36(392-401)Online publication date: 21-Jan-2023
    • (2020)A Systematic Review of Empirical Measures of Workload CapacityACM Transactions on Applied Perception10.1145/342286917:3(1-26)Online publication date: 19-Oct-2020

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