What's in a Citation Impact Factor? A Journal by Any Other Name... J. Comp. Neurol. 411:1–2 (1999). What's in a Citation Impact Factor? A Journal by Any Other Name… J. Comp. Neurol. 411: 1–2 (1999). In preparing the Editorial on citation analysis indicated above, I relied upon data on journal citation frequency that was generously provided by David Pendlebury of the Institute for Scientific Information (ISI). Unbeknownst to us, the Journal of Neurophysiology had inadvertently been eliminated from the list of most highly cited neuroscience journals because of a technical issue. (A change in the abbreviation used for it by ISI in 1996 had divided its citations into two smaller listings, 1981–1995 and 1996–1998, instead of a larger combined listing.) A corrected version of the list appears below, with the Journal of Neurophysiology, as well as this Journal, highlighted. As the original editorial indicated, the Journal of Comparative Neurology generally ranks in impact factor with “other journals that are at the top for their subfields of neuroscience, such as the Journal of Neurophysiology…” I thank Dr. Martin Frank of the Federation of American Societies for Experimental Biology for pointing out this error and David Pendlebury for providing the missing information.