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警觉

警觉又称警觉心警觉性,是一种心理状态。一个处于警觉状态的人或者动物能够一定程度上留意到周围的环境,而且能够在周围环境出现危险时能及时应对。警觉性对一个人来说非常重要,而警觉性会受很多因素影响,如果一个人过于劳累、抑郁、睡眠不足都会使人警觉性不足。人在昏睡时警觉性也会下降。而对于发作性嗜睡病注意力不足过动症慢性疲劳症候群重性抑郁疾患爱迪生氏病睡眠不足来说,警觉性不足也是上述疾病的症状之一[1]

参考文献

[编辑]
  1. ^ Posner, M. I. (2008). Measuring alertness. Annals of the New York Academy of Sciences, 1129(1), 193-199.
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警觉
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