@angel898000 Babies show preferences for mom’s smell and sound from birth - as demonstrated by other posters’ sources. This isn’t “knowing mom” but is a familiarity preference learned prenatally (you can also elicit this via foods mom ate, songs they heard prenatally, etc) and is obviously evolutionarily beneficial.
As long as a parent is a source of support and emotional sensitivity, this bond just gets stronger, and daytime caregivers do not interrupt any attachment to the parent (
https://www.jstor.org/stable/1132038). Ideally, the infant will feel strongly attached to both the parent figures AND the daycare figures, long before they know what “mom” / “dad” / “teacher” / “nanny” even means (
https://srcd.onlinelibrary.wiley.com/doi/abs/10.1111/j.1467-8624.1990.tb02825.x,
https://doi.org/10.1111/j.1467-8624.2006.00896.x). In other words, there doesn’t have to be “one” mom or parent or primary figure - there are many instances of infants having multiple equally strong relationships, particularly cross-culturally.
Importantly, a mother/infant bond is not based on things like who feeds the child most (check the Harlow studies or Steve Suomis research for some classics) or who spends the most time with them. It’s based on who they feel secure with. Some have even argued that working parents spend less overall time but much more QUALITY time with their kids, resulting in good relationships (this is “pop science” coverage but I think it does a good job of summarizing a big body of research and links to empirical studies -
https://www.washingtonpost.com/loca...813192-d378-11e4-8fce-3941fc548f1c_story.html).
TLDR; No, your weeks-old infant doesn’t have a conscious concept of what “mom” means - but they will! And right now you are doing all the things you need to do to strengthen that bond. For now, they see you as a familiar place of love and support that they like to be with - their “home base”. Caregiving away from you will not mess with that.
-Prof / Phd in Child Development