Table 2.

Prefrontal activity as Δ[Oxy-Hb] measured by near-infrared spectroscopy.

	Baseline	8 week	p			Baseline	8 week	p
Ch4	−0.05 ± 0.20	−0.03 ± 0.30	0.621		Ch12	0.01 ± 0.20	−0.02 ± 0.22	0.549
Ch5	0.28 ± 0.15	0.83 ± 0.13	0.016*		Ch13	0.03 ± 0.17	0.01 ± 0.27	0.737
Ch6	−0.02 ± 0.16	0.05 ± 0.15	0.039*		Ch14	0.03 ± 0.14	0.05 ± 0.12	0.405
Ch7	−0.05 ± 0.32	0.05 ± 0.22	0.137		Ch15	−0.03 ± 0.18	0.03 ± 0.17	0.112
Ch8	0.02 ± 0.13	0.06 ± 0.19	0.374		Ch16	0.01 ± 0.14	0.09 ± 0.21	0.070
Ch9	−0.002 ± 0.18	0.02 ± 0.17	0.590		Ch17	0.01 ± 0.19	0.08 ± 0.12	0.031*
Ch10	−0.12 ± 0.51	0.06 ± 0.27	0.138		Ch18	−0.0004 ± 0.11	0.08 ± 0.16	0.015*
Ch11	0.04 ± 0.13	0.01 ± 0.20	0.567		Ch19	0.03 ± 0.14	0.06 ± 0.24	0.588

Each score is expressed as mean ± SD; *… <0.05.