Involves number and computing skills, recognizing patterns and relationships, timeliness and order, and the ability to solve different kinds of problems through logic.
包括计数和运算技能、识别图式和关系，时间和次序以及运用逻辑解决各种各样问题的能力。
2
The ability to return to concentration and work; the ability to rediscover interest in life, and take pleasure in it, while recognizing that present pleasure is far from past joy.
能够再次集中精神并恢复工作。能够重新发现生活的乐趣——尽管认为其远不如过去快乐，但仍并乐于享受。
3
After this, skill in recognizing faces declined slowly, with the ability of 65-year-olds roughly matching that of 16-year-olds.