Very often, I observe that a toddler
A who currently focuses their attention on a specific toy or activity becomes distracted if another toddler
B begins playing with an object
A played with previously.
A shifts their attention to
O and aborts their current activity, even though it often appears that
A was fully engaged in the previous activity and no resources for attention shift were free. Most times,
B and a dispute about
For me, it seems to be a basic need of a toddler, although I can't find a specific theory that provides a coherent description of my observation.
Does any cognitive science theory explain the tendency for toddlers to desire objects held by other toddlers?