RT Journal Article SR Electronic T1 Erratum JF Science JO Science FD American Association for the Advancement of Science SP 360 OP 360 DO 10.1126/science.360-b VO 250 IS 4979 YR 1990 UL http://science.sciencemag.org/content/250/4979/360.3.abstract AB In the report "Birth of projection neurons in adult avian brain may be related to perceptual or motor learning" by Arturo Alvarez-Buylla et al. (21 Sept., p. 1444), parts B and C in figure 1 were transposed. The legend is correct.