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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Neuroimage. 2016 Jan 11;128:293–301. doi: 10.1016/j.neuroimage.2016.01.003

Figure 5.

Figure 5

Results from the multi-level statistical approach on power differences. A. No significant time-frequency bins are observed for the standard vowel contrasts in the large F1 distance condition. No time-frequency bin survived the cluster-permutation based statistical threshold (critical t-value = ±2.18). B. Significant time-frequency bins for the standard vowel contrasts in the small F1 distance condition were found between −50 and +20 ms and between 18 and 26 Hz, indicated by the dashed rectangle. The blue colors shows t-values that survived the statistical threshold. In these time-frequency bins, power was significantly lower for [ε] than for [ɪ].