![]() ![]() However, due to a lack of its reliable measurement, only a weak link exists between Human-Computer Interaction and Cognitive Load Theory. ![]() A reliable, and possibly real-time, measurement of cognitive load is thus highly desirable. Examples of its use include a wide range of applications, including surgery, flight safety, human-centered design, human cognition modeling, usability, and multimedia learning. Measurement of cognitive load could allow a system to respond appropriately, potentially either by toning down or ramping up the level of task difficulty e.g., as in e-learning systems, or by adapting mission-critical systems to the user’s cognitive state. There is a pressing need for a non-invasive measure of individuals’ cognitive load, as it can guide designers of interactive systems to avoid overloading users. There was no additional external funding received for this study.Ĭompeting interests: The authors have declared that no competing interests exist.Ĭognitive Load Theory (CLT) plays an important role in Human-Computer Interaction (HCI) research. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. National Science Foundation (grant IIS-1748380). This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: All relevant data are within the paper and its Supporting Information files.įunding: This work is supported in part by the U.S. Received: ApAccepted: AugPublished: September 14, 2018Ĭopyright: © 2018 Krejtz et al. State University of New York Downstate Medical Center, UNITED STATES Citation: Krejtz K, Duchowski AT, Niedzielska A, Biele C, Krejtz I (2018) Eye tracking cognitive load using pupil diameter and microsaccades with fixed gaze. ![]()
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