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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Hum Brain Mapp. 2017 Jul 26;38(11):5421–5439. doi: 10.1002/hbm.23731

Table VI.

Mothers’ post-scan affect ratings of own and unknown infant face images

Own infant Unknown infant Difference (z) c
Mothers’ perceived ratings of infants’ affect a
  Happy affect 8.22 ± 0.12 7.39 ± 0.21 7.39**
  Sad affect 7.31 ± 0.24 6.70 ± 0.24 4.72**
  Distressed affect 7.13 ± 0.25 6.53 ± 0.28 4.26**

Mothers’ own affective responses to infants’ affect b
  Happy affect 8.54 ± 0.11 6.07 ± 0.36 19.69**
  Sad affect 6.97 ± 0.28 4.69 ± 0.32 13.95**
  Distressed affect 6.56 ± 0.35 4.51 ± 0.31 12.59**

Note. Numbers shown (M ± SE) are mothers’ self-reported ratings of affect provided on a Likert scale of 1 to 9. For each given affect, 1 represented “not at all,” 5 represented “somewhat,” and 9 represented “very.”

a

Mothers’ ratings of how they perceived the infant to be feeling in the image. For happy faces, mothers were asked, “how happy do you think the baby was feeling?” For sad faces, mothers were asked to respond to both, “how sad do you think the baby was feeling?” and, “how distressed do you think the baby was feeling?”

b

Mothers’ ratings of their own affective responses to viewing the infant face image. For happy faces, mothers were asked, “how happy did this picture make you feel?” For sad faces, mothers were asked both, “how sad did this picture make you feel?” and, “how distressed did this picture make you feel?”

c

z-Statistic comparing own and unknown infant faces for each given affect within the final mixed-effects linear regression model including a subject-level random intercept.

**

p < .001.