NEUROSCIENCE. For the article “Conditioned eyeblink learning is formed and stored without cerebellar granule cell transmission,” by Norio Wada, Yasushi Kishimoto, Dai Watanabe, Masanobu Kano, Tomoo Hirano, Kazuo Funabiki, and Shigetada Nakanishi, which appeared in issue 42, October 16, 2007, of Proc Natl Acad Sci USA (104:16690–16695; first published October 8, 2007; 10.1073/pnas.0708165104), the authors note that in Fig. 2a, the same trace was inadvertently used for the electrophysiological records of RNB (DOX-untreated) and RNB (DOX-withdrawn). This error does not affect the conclusions of the article. The corrected figure and its legend appear below.
Fig. 2.
Action potential firing of Purkinje cells in awake WT and RNB transgenic mice. (a) Spontaneous activities of Purkinje cells consisted of simple spikes and complex spikes (red asterisks) in WT, DOX-untreated, and DOX-withdrawn RNB mice, but no simple spikes were evoked in DOX-treated RNB mice. (b) Traces of simple spikes shown in a were superimposed. (c) Interspike interval histogram of simple spikes shown in b. (d) Traces of five complex spikes were superimposed. (e and f) Mean ± SEM of firing rates of simple spikes (e) and complex spikes (f) are shown with columns and bars, respectively. ***, P < 0.001 (comparison between DOX-treated RNB mice and all five other animals by the Scheffé test). (g) The extracellular recording site (red) was confirmed at the Purkinje cell layer by fluorescent Nissl staining. ML, molecular layer; PL, Purkinje cell layer; GL, granule cell layer.