geriatric[ˌdʒeriˈætrɪk]：adj.老人的；老年医学的

The 904 New Zealand men and women who were tested at 45 were tracked from the age of three, each undergoing multiple tests over the years.

在45岁时接受测试的904名新西兰男性和女性从3岁开始接受跟踪，他们每个人都经过了多年的多次测试。

The long-term data collection enabled researchers to establish that toddlers with lower IQ scores, linguistic ability, capacity to tolerate frustration, motor skills and emotional control tended to have slower gait-speeds by middle age.

研究人员通过分析长期收集的数据发现，智商、语言能力、抗挫能力、运动技能和情绪控制能力都较低的幼儿，到了中年时的走路速度往往较慢。

MRI exams during their final assessment at 45 showed the slower walkers tended to have lower total brain volume, lower mean cortical thickness, less brain surface area and higher incidence of white matter “hyperintensities”.

在45岁最终评估时所做的核磁共振成像检查显示，走得慢的人大脑总容量较低，平均皮质厚度较低，大脑表面积较小，脑白质白斑的发病率较高。

"In short, their brains appeared somewhat older," the researchers said.

研究人员说：“简而言之，他们的大脑显示有些老化。”

Slower walkers were also judged to look older facially to a panel of eight assessors who determined each patient’s “facial age” from a photograph.

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