Table 3. Parameters of habituation (total holding times, holding times for the first 2 trials, and number of trials during habituation) according to the object shape and the condition; Mean (standard deviation).

Habituation parameters	Silence condition			Noise condition			p
	Total	Prism	Cylinder	Total	Prism	Cylinder
Total holding time (s)	106.3 (64)	107.7 (71)	104.9 (61)	158.5 (86)	159.2 (65)	157.8 (108)	0.024
First 2 trials (s)	59.7 (39)	56.1 (35)	63.3 (45)	67.2 (30)	67.8 (29)	66.5 (32)	0.48
Number of trials	5.3 (1.2)	5.1 (1.1)	5.4 (1.4)	6.5 (1.7)	6.5 (1.6)	6.5 (2)	0.007