Here is a recent paper from Negi et al: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3485650/
Published by David M. Perlman, Ph.D.
Ph.D. in neuroscience and psychology. UX research consultant. Caltech applied physics. Data science, politics, economics, behavioral economics, integrative systemic analysis. View all posts by David M. Perlman, Ph.D.
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