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Short-term adaptation of five- to seven-year-old children to mental load

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Abstract

Tetrapolar rheography according to Kubicek has been used to estimate the adaptive capacity of the cardiovascular system in 150 five- to seven-year-old children at rest and during mental load. Mental load evokes two variants of stroke volume (SV) responses, one of them characterized by an increase in the SV, and the other, by a decrease in the SV and an increase in the diastolic blood pressure (BPd). Irrespective of the direction of the change in the SV, short-term adaptation to mental load in most five- to seven-year-old children does not stress the mechanisms of the cardiovascular system control and is generally favorable. In 13–15% of the children examined, short-term adaptation to mental load considerably stressed the cardiovascular system control. This is expressed in increased systolic blood pressure (BPs), BPd, and heart rate (HR); decreased CV and cardiac output (Q); and a prolonged restoration period for most central hemodynamic parameters.

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Authors and Affiliations

  1. Institute of Developmental Physiology, Russian Academy of Education, Moscow, 119869, Russia

    A. N. Sharapov, V. N. Bezobrazova, E. S. Zinenko & G. V. Kmit’

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  1. A. N. Sharapov
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  2. V. N. Bezobrazova
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  3. E. S. Zinenko
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  4. G. V. Kmit’
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Original Russian Text © A.N. Sharapov, V.N. Bezobrazova, E.S. Zinenko, G.V. Kmit’, 2010, published in Fiziologiya Cheloveka, 2010, Vol. 36, No. 3, pp. 74–81.

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Sharapov, A.N., Bezobrazova, V.N., Zinenko, E.S. et al. Short-term adaptation of five- to seven-year-old children to mental load. Hum Physiol 36, 312–318 (2010). https://doi.org/10.1134/S0362119710030096

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  • DOI: https://doi.org/10.1134/S0362119710030096

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