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. 2020 Dec 15;9:e61048. doi: 10.7554/eLife.61048

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© 2020, van Moorselaar et al

This article is distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use and redistribution provided that the original author and source are credited.

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Figure 3. — (A) These panels show the lateralization index relative to the high-probability distractor location averaged over PO7/8 and O1/2 separately per condition. (B) Time-series of lateralization index averaged within the alpha-band (8–12 Hz). Insets show topographic distribution averaged over the entire anticipatory window. Although numerically, pre-stimulus alpha-band activity was higher over visual regions contralateral to the predicted distractor location in the DpTp indentical condition in which the distractor and the target had the same fixed spatial frequency, permitting only the development of spatial distractor expectations, this effect was not statistically significant. DpTv unique: targets and distractors had different spatial frequencies, but only the distractor spatial frequency was predictable (fixed across a sequence of trials); DpTp unique: targets and distractors had different and predictable spatial frequencies (fixed across a sequence of trials).