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Arginine vasopressin (AVP: Panel A) and adrenocorticotropin (ACTH: Panel B) responses to a psychological (cold pressor) and physiologic (postural) stressor (inset). Note that group responses to the cold pressor, but not the postural stimulus, generally parallel group differences in the structural measures shown in Figure 2. See Goldman et al., 2007a for further information on this study.
