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  3. Our minds may wander during boring tasks because daydreaming is actually the brain’ s normal state, rather than a pointless dist

Our minds may wander during boring tasks because daydreaming is actually the brain’ s normal state, rather than a pointless dist

admin2019-06-28  22
问题    Our minds may wander during boring tasks because daydreaming is actually the brain’ s normal state, rather than a pointless distraction, according to a new U. S. study.
   The researchers, reporting their findings today in the U. S. journal, Science, found that daydreaming could be the result of the brain thinking over important—but not immediately relevant—issues when the external environment ceases posing interesting and engaging problems.
   " For the most part psychologists have sort of assumed that we spend most of our time engaged in goal-directed thought and that, every so often, we have blips(光点) of irrelevant thoughts that pop up on the radar," said Malia Mason of Harvard University. "However, it could very well be the case that most of the time we are engaged in less directed, unintended thought and that this state is routinely interrupted by periods of goal-directed thought. "
   Daydreaming or mind-wandering is more precisely defined as a state of mind where thoughts that are experienced by an individual are unrelated to what is going on in the environment around them, according to Mason. When wandering, the brain flits from one thought to the next, generating images, voices, thoughts and feelings.
   When deciding how best to encourage daydreaming in order to study it, the researchers recognized that our minds often wander while we are engaged in familiar tasks, such as making a sandwich, because we don’ t need to concentrate on it. They trained study subjects to become proficient on certain tasks so that their minds would be able to wander when they performed them, but would have to concentrate when given something new.
The passage is most probably from______.
选项 A、a science magazine
B、a medical textbook
C、a personal letter
D、a government document
答案A
解析 文章主要介绍了一项新的科学研究，因此文章最有可能摘自某本科学杂志。根据第二段第一句也可推知正确答案。故选A。
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