RT Journal Article SR Electronic T1 Correction: Lenz et al., Increased Excitability of Somatosensory Cortex in Aged Humans is Associated with Impaired Tactile Acuity JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP 6411 OP 6411 DO 10.1523/JNEUROSCI.1204-12.2012 VO 32 IS 18 YR 2012 UL http://www.jneurosci.org/content/32/18/6411.abstract