highly significantP < 0.001
The difference between the JNDs in the blur- and luminance-based experiments was highly significant ( t (52) = −8.18, P < 0.001, paired t -test; see Supplementary Fig.
The difference between the JNDs in the blur- and luminance-based experiments was highly significant ( t (52) = −8.18, P < 0.001, paired t -test; see Supplementary Fig.