The more baby Rowan engages in using language, the more those neuronal pathways will be strengthened. The neuronal pathways that are not used now .

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

during the nancy. probs

answer; nonpartisan election;