They discovered that animals living in the enriched environment had higher levels of a protein called brain-derived neurotrophic factor (BDNF).
他们发现生活在复杂环境下的小白鼠有一种名叫脑源性神经营养因子（BDNF）的蛋白质水平较高。
They found that young mice raised in an enriched environment -- with toys and other stimulation -- passed along the learning benefits to pups they had after they grew up.
研究人员发现，在放有玩具和其它刺激物的“高级”环境中成长的幼鼠会将它们的认知经验传给下一代。
The answer has been lurking around in the scientific literature since the 1970's when Michael Kaplan reported that an enriched environment enhances the number of new neurons.
其实这个答案一直潜藏在科学文献中，70年代，卡普兰就报道了丰富的环境可以提高神经元的数目。
Objective To explore the effect of early enriched environment intervention on expression of neurofilament protein (NFP) in brain and the neurobehavior of filial rats with brain injury.
目的观察早期环境干预对宫内感染致脑损伤仔鼠脑组织神经丝蛋白（NFP）的表达及对其神经行为的影响。
One group developed in an "enriched" environment, which allowed the rats to interact with other rats, play with toys, and receive maze training.
一组老鼠在“充实”的环境中成长，这使得老鼠可以与其他老鼠互动、玩玩具，并接受迷宫训练。
One group developed in an "enriched" environment, which allowed the rats to interact with other rats, play with toys, and receive maze training.
一组老鼠在“充实”的环境中成长，这使得老鼠可以与其他老鼠互动、玩玩具，并接受迷宫训练。
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