Methods 193 normal subjects were tested by mini-mental state examination (MMSE), word immediate recall and word delayed recall test, clock drawing test, digit span test and verbal fluency test.

方法：对193名正常老年人采用简明智力状态检查(MMSE)、词语即刻回忆和延迟回忆、画钟表、数字广度和词语流畅性测验等神经心理学测验进行认知测评。

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Nor does he perform with exceptional aptitude on tests of skills that lie outside his area of expertise, such as verbal recall.

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They found that patients showed significant improvement in the delayed verbal recall task, in which participants were asked to remember what they had been told earlier.

CNN: Nutritional drink, imaging show promise for Alzheimer's

There were also cognitive and memory tasks that the drink did not seem to improve, according to the study, and the researchers should look further into what other improvements can be seen besides the verbal recall finding, Gu said.

CNN: Nutritional drink, imaging show promise for Alzheimer's