Table 2 ROIs, their approximate infant MNI coordinates, HbT responses for each speech condition averaged over a time window of 2 to 18 seconds, statistical significance of the difference between conditions based on ANOVA and Tukey-Kramer post hoc test (first data column) and statistical significance of the response vs. baseline (BL) based on two-way Student’s t-test.

aSTS

(−26, −4, 1)

0.036*

neutral > angry*

1

0.42

0.6

0.61

−3.2

7.3 × 10⁻³**

angry < BL**

−1.1

0.28

STG

(−20, −6, −2)

0.025*

happy > angry*

0.4

0.74

1

0.42

−3.8

0.013*

angry < <BL*

−0.6

0.52

IFG

(−21, −9, 6)

0.56

−0.5

0.059

−0.25

0.073

0

0.79

−0.3

0.07

AI

(−24, 0, 8)

0.29

0.42

0.68

−0.8

0.048*

happy < BL*

−2

0.012*

angry < BL*

−1.3

0.2

MI

(−26, −8, 4)

0.062

1

0.4

0.4

0.72

−2.9

9.2 × 10⁻³*

angry < BL*

−1.2

0.28

pSTS

(−20, −15, 1)

0.021*

happy > angry*;

happy > neutral*

0.9

0.48

8.5

0.48

−3.6

7.5 × 10^−3**

angry < BL^**

−0.9

0.32