Table 2.

Average fractal dimension and luminance values for each category of paintings in Experiment 2.

	Fractal dimension			Luminance
	Low	Intermediate	High	Low	Intermediate	High
Grayscale	1.10	1.39	1.74	127.5	127.5	127.5
Thresholded	1.10	1.39	1.74	129.0	127.4	127.2
Edges	1.20	1.48	1.74	5.025	17.28	37.37
Mean	1.13	1.423	1.74	87.16	90.72	97.37