Figure 2 was reproduced incorrectly in the above publication (Ingvalson, Holt & McClelland, Reference Ingvalson, Holt and McClelland2012). The correct figure is provided below. The caption remains unchanged.

Figure 2. Proportion /r/ response for each stimulus by native English (NE) listeners. Stimuli are presented here separated by vowel context; participants heard all stimuli intermixed. Those stimuli that were used for training in Experiment 1a are marked with large circles.