Related Experiment Video
Updated: Oct 13, 2025
Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
Published on: March 14, 2013
Using medical microwave radiometry for brain temperature measurements
Oleg Shevelev1, Marina Petrova1, Andrey Smolensky2
1People' Friendship University of Russia, Moscow, Russia; Federal Research and Clinical Centre for Resuscitation and Rehabilitation, Moscow, Russia.
Abstract:
Brain temperature (BT) is a crucial physiological parameter used to monitor cerebral status. Physical activities and traumatic brain injuries (TBI) can affect BT; therefore, non-invasive BT monitoring is an important way to gain insight into TBI, stroke, and wellbeing. The effects of BT on physical performance have been studied at length. When humans are under extreme conditions, most of the energy consumed is used to maintain the BT. In addition, measuring the BT is useful for early brain diagnostics. Passive microwave radiometry (MWR) measures the intrinsic radiation of tissues in the 1-4 GHz range. It was shown that non-invasive passive MWR technology can successfully measure BT and identify even small TBIs. Here, we review the potential applications of MWR for assessing BT.
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