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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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Transcranial Doppler Sonography

Transcranial Doppler Sonography

Chapter:
(p.82) 6 Transcranial Doppler Sonography
Source:
Neuroergonomics
Author(s):

Lloyd D. Tripp

Joel S. Warm

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195177619.003.0006

Transcranial Doppler sonography (TCD) is one brain imaging supplement or surrogate for the field of neuroergonomics. Although its ability to provide detailed information about specific brain loci is limited in comparison to the other imaging procedures, TCD offers good temporal resolution and, compared to the other procedures, it can track rapid changes in blood flow dynamics that can be related to functional changes in brain activity in near-real time under less restrictive and invasive conditions. This chapter summarizes the technical and anatomical elements of ultrasound measurement, the important methodological issues to be considered in its use, and the general findings regarding TCD-measured hemovelocity changes during the performance of mental tasks.

Keywords:   TCD, brain imaging, neuroergonomics, temporal resolution

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