Erratum for Rosen et al., Intrinsic and Extrinsic Contributions to Auditory Selectivity in a Song Nucleus Critical for Vocal Plasticity

In the companion articles "Different Subthreshold Mechanisms Underlie Song Selectivity in Identified HVc Neurons of the Zebra Finch," by Richard Mooney, and "Intrinsic and Extrinsic Contributions to Auditory Selectivity in a Song Nucleus Critical for Vocal Plasticity," by Merri J. Rosen and Richard Mooney, which appeared in the July 15, 2000 issue, page numbers for the corresponding companion article were omitted in the reference list of each article and are as follows. In the article by Mooney, the page numbers for the citation for Rosen and Mooney should read 5437–5448. In the article by Rosen and Mooney, the page numbers for the citation for Mooney should read 5420–5436.