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      Dynamic infrared imaging for analysis of fingertip temperature after cold water stimulation and neurothermal modeling study

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      Computers in Biology and Medicine

      Elsevier BV

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          Abstract

          The human hand is considered to be the terminus of the nervous system. It contains numerous capillary vessels, and it plays an important role in the regulation of the autonomic nervous system. We have used infrared thermography and ultrasound Doppler flowmetry to investigate characteristics of the temperature variation of the hand and the blood flow after cold stimuli. We have also developed an image processing algorithm to measure temperature of various parts of the hand via sequential thermal images. Measured results show that local cold stimuli will induce oscillation of temperature, which may be due to neuroregulation during rewarming. Finally, in order to explain the mechanism of autonomic nervous system (ANS) regulation we have developed an ANS regulation model on the basis of the knowledge of the physiology and bioheat transfer. The results computed using our model are in good agreement with the experimental results.

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          Author and article information

          Journal
          Computers in Biology and Medicine
          Computers in Biology and Medicine
          Elsevier BV
          00104825
          July 2010
          July 2010
          : 40
          : 7
          : 650-656
          Article
          10.1016/j.compbiomed.2010.05.003
          20542263
          © 2010

          https://www.elsevier.com/tdm/userlicense/1.0/

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