Watched a scary movie last night and reminded me of that feeling when you sense someone or something approaching you from behind.
In: Biology
Things I know of include heat, light, and air movement. We can sense the heat of other people, and especially if it is unexpected we find it very unnerving. When there is movement behind us, it often causes movement in light patterns in front of us – anything from clearly cast shadows to subtle changes in brightness can cue us in. Lastly, the movement of air can give us the impression of something solid being near us.
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