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. 2018 Feb 1;166:219–229. doi: 10.1016/j.neuroimage.2017.10.069

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© 2017 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. 2 — Visual gamma response in V1/V2 irrespective of the attended hemi-field. Beamformer source localization, projected onto the surface of an MNI template brain (left medial, bilateral inferior and right medial views, respectively). The effect of visual stimulation was measured as percentage change in gamma power (30–70 Hz) between stimulus (0.3–1 s) and baseline (−0.7–0 s), irrespective of attention and separately for gratings presented in the left (A) and in the right hemi-field (B). For visualization purposes, percentage values between ±10% were masked. P, Posterior; L, Left; R, Right.