Abstract
In human newborns, presentation of sounds and odors under stress situations had a calming effect on behavioral and cortisol responses (Kawakami et al., 1996, 1997). In newborns of Japanese macaques, white noise presentation had a calming effect on coded behavioral responses, and lavender odor presentation had a calming effect on cortisol responses (Kawakami et al., 2002). We presented artificial apple odor/artificial milk odor to newborn Japanese macaques in a stress situation. Both odors had no calming effects on behavioral and cortisol responses. The different effects of stimuli presentation under stress situation between human and macaques were discussed.
