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. 2023 Feb 8;17:1049615. doi: 10.3389/fnhum.2023.1049615

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Copyright © 2023 Castellotti, D’Agostino and Del Viva.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Preliminary experiments–Procedure and stimuli. (A) Representation of experimental paradigm. (B) Examples of stimuli used in Preliminary experiment 1. The first image is the control stimulus, the second is the “frame” stimulus, and the others show 10 fragments of decreasing size (in order: 7.5, 2, 0.47, and 0.12%), positioned within the frame. (C) Examples of stimuli used in Preliminary experiment 2. In the left column, fragments revealed 2% of the image area, and in the right column, fragments revealed 7.5% of the image area. Fragments’ size in the images of each column decreases by fifty percent going from top to bottom; whereas fragments in the same row have the same size but vary in number.