English to Chinese Social Sciences Psychology child study

She sprang into this era (of handling things) suddenly, within four days. It was not infrequently thus, and perhaps more and more as the little brain grew complex. Some power that had beeen slowly developing would leap up into completion, unlocking a dozen other doors of mental life. To put it phisiologically, some one new connection established between brain cells would bring a whole network of others into cooperation － the more easily as ancestral nerve paths seemed often to open up at a touch.