来自Trends in Cognitive Sciences的综述：On Cuteness: Unlocking the Parental Brain and Beyond，描述了现代研究如何看待婴儿萌的作用。要点有：
The parent–infant relation is fundamental to infant survival and development.
Cuteness has emerged as an important factor for attracting caregiver attention and affection.
Cuteness is not limited to visual infant features, but is also found in positive sounds and smells.
Neuroimaging has started to identify how survival-related infant-positive and negative stimuli elicit core affective brain activity through fast attentional biasing and slow appraisal processes.
Beyond caregiving, cuteness has a key role in facilitating social relations, pleasure, and well-being, as well as increasing empathy and compassion.