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. 2017 Nov 9;5(21):e13488. doi: 10.14814/phy2.13488

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© 2017 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of The Physiological Society and the American Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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(A) The time courses of the average changes in concentrations of prefrontal oxygenated‐hemoglobin (Oxy‐Hb) and deoxygenated‐hemoglobin (Deoxy‐Hb) on both sides, as well as MAP, during emotionally charged challenges (comedy, landscape, and horror). The mean data during each intervention, which were collected as the mean value over the three bouts, were further averaged among the subjects (n = 13–14). (B) The time courses of the average changes in facial skin blood flows (forehead and cheek) and hand skin blood flow, measured with laser Doppler flowmetry, during emotionally charged challenges (comedy, landscape, and horror) in 12–13 subjects. *Significant difference (P < 0.05) from the baseline control.