The Publisher would like to apologise to the authors for a number of errors that appeared in the article referenced below .
On page 52, left column, line 4, the end of the first sentence should read ‘. . . because the geometrical pattern and the valence category of the emotional picture were fixed (e.g. a circle, pleasant; a triangle, neutral; a square, unpleasant).’
On page 52, left column, the sentence starting on line 11 should read ‘The task consisted of 16 blocks, each of which were preceded by an instruction slide informing the subject as to whether the condition was expected or unexpected.’
On page 53, a number of errors appeared in Table 1. The corrected table is reproduced below.
On page 54, Figure 2 should have appeared in colour. The correct figure and caption is reproduced below.
1. Ueda K, Okamoto Y, Okada G, Yamashita H, Hori T and Yamawaki S. Brain activity during expectancy of emotional stimuli: an fMRI study. Neuroreport 14, 51–55 2003.