Hormones such as oxytocin and cortisol are well known to affect emotion regulation and social cognition, which represent areas of major difficulty for individuals with high alexithymia levels, who struggle recognizing their own feelings and those of others, show reduced empathy and less altruistic behavior, and experience less distress watching others in pain [e.g., (19, 20); for a review on alexithymia and theory of mind, see (21); for a review on alexithymia and empathy, see (22)]. Here, OXT is linked to alexithymia.