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. 2018 Nov 1;181:513–520. doi: 10.1016/j.neuroimage.2018.07.035

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© 2018 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 3 — Language localization (a & c) and lateralisation (b). Brain Images (a and c, left and right hemisphere) of power change in the beta band for the verb generation task in three subjects. Images are corrected for multiple comparisons using FDR (q < 0.05). In Panel b the LI (Lateralisation Index) displays the relative number of left (positive) hemisphere vs. right (negative) hemisphere voxels in the inferior frontal gyrus as a function of threshold. The localization of the verb generation task is strongly lateralized to the left hemisphere in all 3 subjects as indexed by all LIs tending towards 1 (left) at high thresholds. Confidence intervals (95%) obtained by bootstrapping are indicating by shading surrounding the line plots. The lateralisation index was calculated from thresholds F = 1–15 but is displayed at F = 1–4 as the lateralisation saturates at low thresholds.