Table 2.

Regression models for motion and form coherence thresholds against fractional anisotropy (FA) in left and right superior longitudinal fasciculus (SLF). Note that a negative t-value signifies a positive association with high sensitivity to global motion or form.

	Motion coherence threshold		Form coherence threshold
Term	t ratio	p > |t|	t ratio	p > |t|
Intercept	4.98	<0.0001****	2.07	0.040*
Age	−7.75	<0.0001****	−4.34	<0.0001****
Age* age	3.57	<0.0005***	1.99	0.049*
Gender	0.34	0.733	0.30	0.765
Left SLF FA	2.43	0.017*	0.45	0.652
Right SLF FA	− 2.99	0.003**	0.10	0.917

^****= p ≤ 0.0001

^***= p ≤ 0.001

^**= p ≤ 0.01

^*= p ≤ 0.05