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Nonlinear Relationship between Level of Blood Flow and Skin Temperature for Different Dynamics of Temperature Change.

Research output: Contribution to journalJournal article


Journal publication date15/05/2008
JournalBiophysical Journal
Original languageEnglish


We present a study of the relationship between blood flow and skin temperature under different dynamics of skin temperature-change: locally induced thermal shock and well controlled, gradual change. First, we demonstrate memory phenomena for blood flow and skin temperature under both conditions. Secondly, we point out that the ‘‘hysteresis’’ loops obtained are dependent on initial conditions, indicating physiological response times of more than twenty minutes. We also show that under thermal shock the level of blood flow is preserved up to some characteristic temperature limit, independently of subject.