The idea that infants may infer a relationship whose stability depends on balanced exchange helps explaining why the representation of giving not only marks the coalitional boundaries of the relationship (who is with whom?), but also changes of resource flow within it. (10/15)The idea that infants may infer a relationship whose stability depends on balanced exchange helps explaining why the representation of giving not only marks the coalitional boundaries of the relationship (who is with whom?), but also changes of resource flow within it. (10/15)

Why does this matter? To begin with, this evidence adds an additional relational concept to the growing "grammar of social relations" developmental scientists have discovered in recent years (from dominance to kin-like relationships). (11/15)Why does this matter? To begin with, this evidence adds an additional relational concept to the growing "grammar of social relations" developmental scientists have discovered in recent years (from dominance to kin-like relationships). (11/15)