Physiological Indicators of the Cognitive Redline

As suggested in recent research, some physiological measures such as breath rate, heart rate, heart rate variability, electroencephalography, and skin conductance response, can be used to indicate aspects of mental workload. Some of these physiological measures are insensitive to added mental worklo...

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Bibliographic Details
Published in:Proceedings of the Human Factors and Ergonomics Society Annual Meeting 2015-09, Vol.59 (1), p.637-641
Main Authors: Paras, Carolina Rodriguez, Yang, Shiyan, Tippey, Kathryn, Ferris, Thomas K.
Format: Article
Language:English
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Summary:As suggested in recent research, some physiological measures such as breath rate, heart rate, heart rate variability, electroencephalography, and skin conductance response, can be used to indicate aspects of mental workload. Some of these physiological measures are insensitive to added mental workload at a point referred to as the cognitive redline. This redline is not well indicated in the literature, but is generally defined by patterns of performance decrements. The present study involved the use of the Multi-Attribute Task Battery-II (MATB-II) to systematically manipulate imposed multitask workload, and investigate the validity of online measures of heart rate variability (HRV) to indicate the cognitive redline, as inferred by performance and subjective workload measures.
ISSN:1541-9312
1071-1813
2169-5067
DOI:10.1177/1541931215591139