For most people, these can be fun, generally harmless things, but they also tend to be time or location dependent.

多数人来说， 这些活动通常是既有趣又无害的，但它们往往受时间或地点的限制。

Acute exercise improves memory in a time dependent fashion by priming the molecular process involved in the encoding and consolidation of newly acquired information.

剧烈运动通启动参与新获得信息的编码和整合的分子程，以时间依赖的方式改善记忆。

You think about spike timing dependent plasticity, a term that your viewers may not all know, but is related to how neurons adjust their strength of connectivity to one another.

你想想时序依赖性突触可塑性，这语可能不是所有观众都了解，但它与神经元之间如何调整彼此连接强度有关。