Memories are formed when the repeated actiation of brain cells leads to a strengthening of neural connections, or synapses, a process known as synaptic plasticity.

• 当重复激活脑细胞以形成固定的神经联系时，就形成了记忆力，或者重复刺激突触也能形成这种联系，这个过程叫做突触可塑性。