What fibers connect the two hemispheres of the brain?

In the research performed by Tronick & Weinberg, mothers were instructed to interact normally with their infants' facial expressions, and then on cue to show no emotional reaction at all. This procedure is called the

facial mimicking technique. emotional expression technique. still-face technique. social response technique.

Egocentrism is Piaget's terminology for describing the concept of centration, in which the child thinks about the world from his own personal perspective

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