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Table 2

Description of conditions and stimuli in Exp. 1.

Condition Nature of stimuli Stimuli description
C Virtual;
Low curved
Simulated curved shapes (their prototype was showed in Fig. 2a). Their curvatures were 1.0 ± {0, 0.2, 0.4, 0.6, 0.8, 1.0} m−1
Virtual;
High curved
Simulated curved shapes (their prototype was showed in Fig. 2a). Their curvatures were 20 ± {0, 0.8, 1.6, 2.4, 3.2, 4.0} m−1
CT Virtual;
Low curved
Those in condition C mapped on texture grating with 4 mm spatial period (their prototype was showed in Fig. 2b)
Virtual;
High curved
T Virtual Simulated textures with spatial period in 4 ± {0, 0.2, 0.4, 0.6, 0.8, 1.0} mm. Their prototype was showed in Figure 2c
TC Virtual;
Low curved
Those in condition T curved with 1 m−1 curvature
Virtual;
High curved
Those in condition T curved with 20 m−1 curvature

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