[1] Univ Maryland, Dept Kinesiol, Sch Publ Hlth, 2351 SPH Bldg, College Pk, MD 20742 USA
[2] Univ Maryland, Neurosci & Cognit Sci Program, College Pk, MD 20742 USA
[3] Georgetown Univ, Med Ctr, Ctr Funct & Mol Imaging, Washington, DC 20007 USA
[4] Univ Florida, Dept Appl Physiol & Kinesiol, Gainesville, FL USA
[5] Natl Inst Deafness & Other Commun Disorders, Language Sect, NIH, Bethesda, MD USA
[6] Univ Maryland, Ctr Adv Study Language, College Pk, MD 20742 USA