Down-regulation of left posterior parietal cortex impairs musical phase shift detection in subjects with good perceptual acuity for phase timing Jessica M. Ross (1), Shannon Proksch (2), John R. Iversen (3), Ramesh Balasubramaniam (2) (1) Berenson-Allen Center for Noninvasive Brain Stimulation, Harvard Medical School, Boston, (2) Cognitive & Information Sciences, Univ. of California, Merced, (3) ...