Table 3. Estimated relative NIRS sensitivity (proportions) as a function of depth for a SD separation of 30 mm.

				Shell Depth Range (mm)
Location	N	Scalp	Skull	0–2.8	2.8–5.6	5.6–8.4	8.4–11.2	11.2–14	14–16.8	16.8–19.6
Fp1	45	0.16	0.70	0.059	0.046	0.0202	0.0078	0.00272	0.00079	0.00020
		(0.03)	(0.02)	(0.009)	(0.007)	(0.0032)	(0.0013)	(0.00051)	(0.00017)	(0.00006)
Fp2	47	0.21	0.64	0.064	0.047	0.0190	0.0069	0.00241	0.00073	0.00019
		(0.04)	(0.03)	(0.011)	(0.008)	(0.0039)	(0.0016)	(0.00062)	(0.00022)	(0.00008)
Fz	66	0.26	0.52	0.047	0.046	0.0406	0.0302	0.02048	0.01339	0.00762
		(0.02)	(0.02)	(0.004)	(0.004)	(0.0032)	(0.0033)	(0.00307)	(0.00255)	(0.00187)
F3	78	0.15	0.64	0.084	0.071	0.0341	0.0145	0.00591	0.00217	0.00071
		(0.01)	(0.01)	(0.010)	(0.007)	(0.0030)	(0.0016)	(0.00080)	(0.00035)	(0.00013)
F4	91	0.17	0.64	0.085	0.066	0.0273	0.0097	0.00341	0.00111	0.00032
		(0.01)	(0.01)	(0.008)	(0.006)	(0.0024)	(0.0010)	(0.00046)	(0.00019)	(0.00007)
F7	76	0.65	0.21	0.055	0.046	0.0218	0.0088	0.00318	0.00111	0.00040
		(0.06)	(0.03)	(0.012)	(0.009)	(0.0041)	(0.0016)	(0.00062)	(0.00025)	(0.00012)
F8	71	0.69	0.20	0.041	0.036	0.0185	0.0077	0.00291	0.00114	0.00048
		(0.05)	(0.03)	(0.008)	(0.007)	(0.0033)	(0.0015)	(0.00065)	(0.00029)	(0.00015)
C3	90	0.34	0.41	0.068	0.069	0.0520	0.0297	0.01501	0.00713	0.00325
		(0.02)	(0.01)	(0.005)	(0.005)	(0.0044)	(0.0029)	(0.00169)	(0.00087)	(0.00043)
C4	83	0.36	0.46	0.052	0.053	0.0389	0.0220	0.01047	0.00467	0.00201
		(0.02)	(0.01)	(0.005)	(0.005)	(0.0037)	(0.0023)	(0.00126)	(0.00064)	(0.00031)
Cz	43	0.41	0.30	0.031	0.034	0.0350	0.0358	0.03275	0.02818	0.02398
		(0.02)	(0.02)	(0.002)	(0.002)	(0.0016)	(0.0014)	(0.00168)	(0.00159)	(0.00132)
P3	66	0.26	0.52	0.087	0.073	0.0359	0.0146	0.00566	0.00210	0.00070
		(0.02)	(0.01)	(0.009)	(0.007)	(0.0044)	(0.0023)	(0.00107)	(0.00047)	(0.00019)
P4	65	0.25	0.49	0.095	0.081	0.0452	0.0209	0.00901	0.00346	0.00118
		(0.02)	(0.01)	(0.007)	(0.005)	(0.0038)	(0.0024)	(0.00129)	(0.00061)	(0.00025)
Pz	38	0.48	0.34	0.037	0.037	0.0337	0.0253	0.01693	0.01081	0.00683
		(0.06)	(0.03)	(0.007)	(0.007)	(0.0064)	(0.0051)	(0.00369)	(0.00245)	(0.00159)
O1	34	0.17	0.56	0.132	0.093	0.0333	0.0103	0.00303	0.00084	0.00021
		(0.01)	(0.01)	(0.007)	(0.005)	(0.0027)	(0.0011)	(0.00039)	(0.00013)	(0.00004)
O2	43	0.19	0.51	0.133	0.096	0.0400	0.0147	0.00528	0.00192	0.00065
		(0.01)	(0.02)	(0.009)	(0.005)	(0.0032)	(0.0020)	(0.00111)	(0.00056)	(0.00024)
T3	80	0.68	0.12	0.083	0.066	0.0304	0.0112	0.00387	0.00127	0.00038
		(0.02)	(0.01)	(0.008)	(0.006)	(0.0029)	(0.0011)	(0.00043)	(0.00016)	(0.00006)
T4	66	0.70	0.13	0.076	0.057	0.0264	0.0103	0.00371	0.00123	0.00037
		(0.03)	(0.01)	(0.009)	(0.006)	(0.0030)	(0.0012)	(0.00046)	(0.00016)	(0.00006)
T5	62	0.35	0.49	0.078	0.052	0.0169	0.0048	0.00134	0.00035	0.00006
		(0.03)	(0.02)	(0.012)	(0.008)	(0.0030)	(0.0010)	(0.00034)	(0.00013)	(0.00004)
T6	63	0.40	0.47	0.074	0.043	0.0131	0.0036	0.00094	0.00021	0.00002
		(0.05)	(0.03)	(0.011)	(0.007)	(0.0025)	(0.0008)	(0.00024)	(0.00007)	(0.00002)