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. 2018 Dec 13;65(4):457–465. doi: 10.1093/cz/zoy095

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© The Author(s) (2018). Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 4. — Samples of the control stimuli used in experiments. (A) Representation of brightness stimuli (10%, 20%, 35%, and 50%). (B) Shape stimuli with elongation of a star-shaped flower-like image at 1× elongation, 2× elongation, and 3× elongation. (C) Size stimuli showing small, medium, and large surface areas of flower-like images with the areas derived from the flower sizes used in part 1. (D) Stimuli used for the flower number experiment of 1 versus 3. (E) Stimuli used for the flower number experiment of 1 versus 11.