In the early phase, activity decreases over the learning probably due to the increase of neuronal selectivity, whereas in the late phase activity increases because of the recruitment of new neurons.

• 在学习的早期阶段,由于神经元选择性提高,有关脑区的活动减弱;而在晚期,由于新神经元的参与,有关脑区的活动增强。