Carla Hannaford says in her book, "Smart Moves"

Discovery activities stimulate and train those efficient thinking processes Carla Hannaford recommends developing in "Smart Moves.

"The more that both hemispheres and all lobes are activated by use, the more dendritic connections form and extend across the corpus callosum and myelinate. The more myelination, the faster the processing between both hemispheres and the rest of the brain.

"TRANSLATION: learning must involve both sides of the brain - instruction must be balanced so that we are building more efficient thinking processes in our children's brains."