Abstract
The goal of the current study was to examine the extent to which cortisol responding to an acute stressor is related to diurnal cortisol patterns during adolescence. Participants were 105 adolescents (10-17 years of age) who experienced a robust social-evaluative stressor and provided saliva samples (before and immediately after, as well as 10, 20, and 30 min after the stressor) to assess both cortisol reactivity and recovery and also provided saliva samples (at wake-up, 30 min after wake-up, 4 pm, and at bedtime) on two consecutive days to measure diurnal cortisol production. Dual process latent growth curve models, one for cortisol reactivity and one for diurnal cortisol, indicated that dampened cortisol reactivity and prolonged cortisol recovery (i.e., less cortisol produced during reactivity but more cortisol produced during recovery) were associated with dampened decreases in cortisol production across the day, suggesting that adolescents are likely to show attenuation in multiple components of HPA axis functioning.
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