Table 2.

Slope and intercept values for the ratio of sulcal depth values at P14 and P21 relative to P28 as a function of relative geodesic distance from the origin of the TNG (Fig. 4 and Supplementary Fig. S5)

		Δ(P14)/Δ(P28)		Δ(P14)/Δ(P28)
Animal	Hemisphere	Slope	Intercept	Slope	Intercept
A.1	Left	−0.13	0.55	−0.06	0.84
	Right	−0.14	0.55	−0.012	0.80
A.2	Left	−0.12	0.55	−0.063	0.83
	Right	−0.15	0.57	0.018	0.80
Combined		−0.14	0.56	−0.030	0.82