The conclusion that parent-child interaction may be critical only for emotion development comes from k a y e s theory that one children developmental at a periodontic rate to language is needed in order to be considered a social person three self and mine are needed for physical growth for babies cannot be considered first if they do not respond to mature affection 5 a baby is more person then organism

It seems that the provided information is a mix of incomplete sentences and unclear statements. However, based on the fragments presented, it appears that the conclusion suggested is that parent-child interaction is crucial for emotional development but not necessarily for other aspects such as language development or physical growth. Additionally, it is stated that for a baby to be considered a person, they need to respond to mature affection.