"Most of the cold receptors lie in the face, especially on the tip of the nose, the eyelids, lips, and forehead, and the genitals are sensitive to cold, as well. It’s our outer shell that seems to fear cold most, acting as a sentry on perpetual watch. Receptors for warmth lie deeper in the skin, and there are fewer of them. Not surprisingly, the tongue is more sensitive to heat than many other areas of the body."
- A Natural History of the Senses, Diane Ackerman, page 67
This painting was inspired by the quote above but also by infrared imaging. I watch a lot of ghost hunting shows where they use infrared to detect a ghost's cold signature which is categorized by purple or a dark blue. However, when the camera is pointed towards a living human, they have a wide range of colors. I just thought it was very interesting to see which parts of our body hold the most heat, which are sensitive to cold, and the way it helps us function.
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