AUTHOR=Mckinley John J., McCarthy Allan , Lynch Timothy TITLE=In vivo Photometry during Movement Changes Our Understanding of the Direct and Indirect Pathways JOURNAL=Frontiers in Neurology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2013.00118 DOI=10.3389/fneur.2013.00118 ISSN=1664-2295