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. Author manuscript; available in PMC: 2014 Feb 20.
Published in final edited form as: Biol Psychiatry. 2010 Feb 16;67(12):1137–1145. doi: 10.1016/j.biopsych.2009.12.019

Table 1.

Frequency of Mother and Pups Behaviors Observed During Mother-Infant Interactions

Percent of Observation Periods in Which Behaviors Occurred

Stressed Mother Normal Mother
Mother Abnormal Behaviors
  Steps or jumps on 24.78% .00%
  Rough handing 5.56% .00%
  Nest building 10.19% .00%
Mother Normal Behaviors
  Nursing 19.44% 80.56%
  Mother′s time in the nest 33.40% 85.22%
Pups Body Weight at PN8 (g) 17.75 ± .28 17.69 ± .22
Pups Vocalization 73.15% 4.63%
Pups CORT Level (ng/mL) 58.33 ± 9.41 38.57 ± 2.04a

CORT, corticosterone; PN, postnatal day.

a

p < .05 between groups.