Resting-state functional connectivity in the human brain revealed with diffuse optical tomography. White, B., R., Snyder, A., Z., Cohen, A., L., Petersen, S., E., Raichle, M., E., Schlaggar, B., L., & Culver, J., P. NeuroImage, 47(1):148-156, Elsevier Inc., 2009. Paper Website abstract bibtex Mapping resting-state networks allows insight into the brain's functional architecture and physiology and has rapidly become important in contemporary neuroscience research. Diffuse optical tomography (DOT) is an emerging functional neuroimaging technique with the advantages, relative to functional magnetic resonance imaging (fMRI), of portability and the ability to simultaneously measure both oxy- and deoxyhemoglobin. Previous optical studies have evaluated the temporal features of spontaneous resting brain signals. Herein, we develop techniques for spatially mapping functional connectivity with DOT (fc-DOT). Simultaneous imaging over the motor and visual cortices yielded robust correlation maps reproducing the expected functional neural architecture. The localization of the maps was confirmed with task-response studies and with subject-matched fc-MRI. These fc-DOT methods provide a task-less approach to mapping brain function in populations that were previously difficult to research. Our advances may permit new studies of early childhood development and of unconscious patients. In addition, the comprehensive hemoglobin contrasts of fc-DOT enable innovative studies of the biophysical origin of the functional connectivity signal. © 2009 Elsevier Inc. All rights reserved.
@article{
title = {Resting-state functional connectivity in the human brain revealed with diffuse optical tomography},
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year = {2009},
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abstract = {Mapping resting-state networks allows insight into the brain's functional architecture and physiology and has rapidly become important in contemporary neuroscience research. Diffuse optical tomography (DOT) is an emerging functional neuroimaging technique with the advantages, relative to functional magnetic resonance imaging (fMRI), of portability and the ability to simultaneously measure both oxy- and deoxyhemoglobin. Previous optical studies have evaluated the temporal features of spontaneous resting brain signals. Herein, we develop techniques for spatially mapping functional connectivity with DOT (fc-DOT). Simultaneous imaging over the motor and visual cortices yielded robust correlation maps reproducing the expected functional neural architecture. The localization of the maps was confirmed with task-response studies and with subject-matched fc-MRI. These fc-DOT methods provide a task-less approach to mapping brain function in populations that were previously difficult to research. Our advances may permit new studies of early childhood development and of unconscious patients. In addition, the comprehensive hemoglobin contrasts of fc-DOT enable innovative studies of the biophysical origin of the functional connectivity signal. © 2009 Elsevier Inc. All rights reserved.},
bibtype = {article},
author = {White, Brian R. and Snyder, Abraham Z. and Cohen, Alexander L. and Petersen, Steven E. and Raichle, Marcus E. and Schlaggar, Bradley L. and Culver, Joseph P.},
journal = {NeuroImage},
number = {1}
}
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