PhysiologyScientific ReportsPeer-reviewed
Differential Sensitivity of Impedance Plethysmography andPhotoplethysmography Sensors to Temperature-Induced PeripheralVasoconstriction
Seobin Jung, Seamus Thomson, Alexandros Pantelopoulos…·Sam Sheng
This study compares how IPG and PPG sensors respond to temperature-induced vasoconstriction, finding PPG is more sensitive to capillary changes while IPG reflects deeper blood flow.
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