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精神刺激对人体潜水反射的抑制作用。

Attenuation of the diving reflex in man by mental stimulation.

作者信息

Ross A, Steptoe A

出版信息

J Physiol. 1980 May;302:387-93. doi: 10.1113/jphysiol.1980.sp013250.

Abstract
  1. A study was made of the effects of mental arithmetic, and of listening to prose, on the bradycardia produced by breath holding with and without immersion of the face in cold water. 2. Bradycardia was produced in both air and water, but the response was significantly greater on face immersion. The reaction was attenuated by mental arithmetic in both air and water. In contrast external distraction by listening to prose had no effect on cardiac response. 3. It was concluded that the diving reflex can be modified by higher nervous stimulation. The effect is apparently dependent on mental challenge, such as that provoked by arithmetic.
摘要
  1. 本研究旨在探讨心算以及聆听散文对屏气(无论面部是否浸入冷水)所引发的心动过缓的影响。2. 在空气和水中均可引发心动过缓,但面部浸入时的反应显著更强。在空气和水中,心算均可使该反应减弱。相比之下,聆听散文这种外部干扰对心脏反应并无影响。3. 研究得出结论,潜水反射可被高级神经刺激所改变。这种影响显然取决于精神挑战,比如由算术引发的挑战。

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本文引用的文献

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Effects of cortical stimulation and lesions on cardiovascular function.
Physiol Rev. 1963 Jan;43:68-114. doi: 10.1152/physrev.1963.43.1.68.
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Circulatory responses to breath holding in man.
J Appl Physiol. 1967 Feb;22(2):201-6. doi: 10.1152/jappl.1967.22.2.201.
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Mechanism of apneic bradycardia in man.人类呼吸暂停性心动过缓的机制。
J Appl Physiol. 1969 Sep;27(3):323-7. doi: 10.1152/jappl.1969.27.3.323.
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Cardiac rhythm during breath-holding and water immersion in man.
Acta Physiol Scand. 1968 May-Jun;73(1):139-50. doi: 10.1111/j.1748-1716.1968.tb04091.x.
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Physiological adaptations in diving vertebrates.潜水脊椎动物的生理适应性。
Physiol Rev. 1966 Apr;46(2):212-43. doi: 10.1152/physrev.1966.46.2.212.

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