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. 2018 Aug 29;9:1439. doi: 10.3389/fpsyg.2018.01439

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Copyright © 2018 Viengkham and Spehar.

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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Examples of matched triads from four painting categories. Abstract paintings: (A) William Scott, Berlin Blues 6, 1966, (B) Fernando Zóbel de Ayala y Montojo, Flight in Pink, 1966, (C) Ingrid Calame, Untitled (Traces 1, 2, and 3), 2006. Mountain paintings: (D) Yokoyama Taikan, Mountain after a Shower, 1940, (E) Martin Benka, Choè Mountain, (F) Filippo Carcano, In Midwinter, 1909. Sea paintings: (G) Caspar David Friedrich, The Monk by the Sea, 1809, (H) Childe Hassam, Cliff Rock – Appledore, 1903, (I) Claude Monet, Port Goulphar, 1887. Flower paintings: (J) Maureen Hyde, Still Life with White Roses, (K) William Merritt Chase, Flowers (aka Roses), 1888, (L) Claude Monet, Vase of Flowers, 1882. Images increase in fractal dimension from left to right. Samples shown are cropped to squares, but original aspect ratios of paintings were used in the study.