Looking for windows of opportunity.
Also involved were parts of the frontal and temporal lobes, the arcuate fasciculus, and some subcortical structures.
At the micro level, special attention was focused on brain cell organization, branching and spines on dendrites, myelinization of axons, and axodendritic synapses.
Because of its origin in structure, language was considered to unfold according to a biological timetable--given just "scraps" of language experiences.
For some educators, however, the milestones of this timetable are considered to be windows of opportunity to stimulate the child with rich and appropriate models of language.
Because of its exclusiveness in humans, lanlguage has been dubbed by E. Lenneberg to be a "Species Specific" phenomenon.