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NeuroergonomicsThe brain at work$
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Raja Parasuraman and Matthew Rizzo

Print publication date: 2006

Print ISBN-13: 9780195177619

Published to Oxford Scholarship Online: May 2009

DOI: 10.1093/acprof:oso/9780195177619.001.0001

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Cerebral Hemodynamics and Vigilance

Cerebral Hemodynamics and Vigilance

(p.146) 10 Cerebral Hemodynamics and Vigilance

Joel S. Warm

Raja Parasuraman

Oxford University Press

This chapter describes a series of recent neuroergonomic studies on vigilance, focusing on the use of noninvasive measurement of cerebral blood flow velocity. It uses a theoretical framework of attentional resources. Resource theory is the dominant theoretical approach to the assessment of human mental workload and also provides a major conceptual framework for understanding human vigilance performance. Consistent with the view first proposed by Sir Charles Sherrington, a considerable amount of research on brain imaging indicates that there is a close tie between cerebral blood flow and neural activity in the performance sustained vigilance. Applications include the ability to “monitor the monitor”, i.e., to ensure safety in systems where human monitoring of automated functions is required.

Keywords:   neuroergonomic research, cerebral blood flow velocity, neural activity, mental workload, resource theory, Sir Charles Sherrington

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