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. Author manuscript; available in PMC: 2010 Dec 28.
Published in final edited form as: Nature. 2010 Oct 28;467(7319):1104–1108. doi: 10.1038/nature09510

Figure 3. Successful fading.

Figure 3

a, Percentage of trials in which subjects successfully controlled the activity of four units and faded to the target image within 10 s. Yellow lines indicate chance performance—determined by bootstrapping 1,000 random trials for each subject (P < 0.001; Wilcoxon rank-sum). The red bar is the performance averaged over all 12 subjects. Error bars show the standard deviation. b, Percentage of successful trials of the entire data set in which the competition between the two units was across hemispheres, within the same hemisphere but in different regions, or within the same region. Error bars show standard deviations. Note that in a, performance is analysed across subjects, whereas in b it is analysed across eight trial fading sessions; hence, the means differ.