Common associated symptoms are difficulty with memory, concentration and thinking, and daytime sleepiness, including sleepiness while driving.

与此同时产生的症状一般有记忆力衰退、难以专心做事与思考、白天嗜睡，包括开车嗜睡。

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The headmaster, Yang Peihua, explains tactfully that they help improve memory and concentration and instil "morality".

杨培华校长解释说，功夫有利于增强记忆、灌输道德规范。

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By cleansing toxic emotions, fasting strengthens metal clarity with increases memory, concentration, creativity and insight.

通过清除不良情绪，斋戒能使头脑更清醒，并能提高记忆力、注意力、创造力和洞察力。

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The guidelines also state that people who have had strokes should be screened for cognitive problems, such as memory or concentration impairment, "as soon as is practicable".

BBC: NEWS | Health | 'Action needed on mini-strokes'

Bayer, sensing the public's confusion about such products, decided not to cite herbs in the names of its new One-A-Day preparations but to use tags like Cold Season and Memory and Concentration instead.

CNN: ASIANOW - TIME Asia

Should the parents tell their children: 60% of NFL players have had at least 1 concussion, 26% had 3 or more, collectively claiming loss of memory, concentration, and problems with speech, headaches, and other neurological issues?

FORBES: Connect