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. Author manuscript; available in PMC: 2018 Jun 12.
Published in final edited form as: Dev Psychobiol. 2014 Feb 10;56(6):1229–1243. doi: 10.1002/dev.21203

FIGURE 4.

FIGURE 4

Modeled graph of the association between levels of juvenile social play (number of play bouts/observation) on marmoset offspring’s pre- and post-stressor basal (BL) and cortisol (µg/mg Cr) reactivity, that is, change in cortisol over time in H (hours), at 6, 12, and 18 M (months) of age after controlling for, GCE, offspring sex, and individual differences in HPA activity across age and time. High and low play reflect modeled cortisol reactivity change over time for upper and lower quartiles of levels of juvenile social play.