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We study metabolic and cardiovascular health in relation to temperature challenges


The maintenance of the temperature or temperatures of a body within a restricted range under variable conditions by autonomic or behavioral means.

Indoor environment

The indoor environment is where we spend the majority of our time. We study the effects of room temperature, humidity, air speed, and light on our thermal state.

Biophysical modelling

Two common statements are:

With biophysical modelling we go beyond this qualitative understanding of such statements and investigate whether how the numbers add up to explain the story.


Light is an important factor in supporting circadian rhythms and thereby influences physiological processes like thermoregulation. Additionally the colour of light can affect thermal perception. A room lit by light with colour tones towards the red end of the spectrum is perceived warmer compared to a room lit by light with colour tones towards the blue end of the spectrum. Still effects are not fully understood, required light conditions are inconclusive and the interaction between the physiological response and subjective perception of the environment is not clear.

In our group we study the effects of different intensities and spectra of light on human thermal responses. We focus on thermophysiological responses as well as on thermal sensation and thermal comfort. Together this should lead to a better design of indoor environments and improve wellbeing and alertness of building occupants.

Brown fat

Lisje Schellen

Hannah Pallubinksy

Marije te Kulve

Mark Hanssen

Wouter van Marken Lichtenbelt

Boris Kingma