RT Journal Article SR Electronic T1 Sources of Spatial and Feature-Based Attention in the Human Brain JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP 9328 OP 9329 DO 10.1523/JNEUROSCI.3562-08.2008 VO 28 IS 38 A1 Marius V. Peelen A1 Ryan E. B. Mruczek YR 2008 UL http://www.jneurosci.org/content/28/38/9328.abstract AB