In the article “Region-Specific Reduction in Entorhinal Gamma Oscillations and Parvalbumin-Immunoreactive Neurons in Animal Models of Psychiatric Illness,” by Mark O. Cunningham, Jillian Hunt, Steven Middleton, Fiona E. N. LeBeau, Martin G. Gillies, Ceri H. Davies, Peter R. Maycox, Miles A. Whittington, and Claudia Racca, which appeared on pages 2767–2776 of the March 8, 2006 issue, co-author Martin G. Gillies name should be corrected to Martin J. Gillies.