It may worsen without further stimulation.

出自-2013年6月阅读原文

Cognitive stimulation is one of the areas where we did find some benefit.

2016年6月六级真题（第二套）听力 Section C

Exercise, diet, cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established.

2016年6月六级真题（第二套）听力 Section C

I think that by having people adopt a healthy lifestyle, both from a medical standpoint as well as nutritional and cognitive stimulation standpoint, we can reduce the incidence of cognitive decline, which will be proof that these factors are, in fact, imp

2016年6月六级真题（第二套）听力 Section C

The exact type of stimulation that an individual uses is not as important as being intellectually engaged.

2016年6月六级真题（第二套）听力 Section C

But distinctions that were sharp to us as children become unclear; we are numb to new stimulation, new ideas.

2018年高考英语天津卷 阅读理解 阅读D 原文