When I hear scratching on a blackboard or polystyrene it gives me chills. Why does this happen?
In: Biology
Well, your body reacts to sounds by using your brain to resurface earlier instincts. For example, sudden high pitched sounds (such as writing on a chalkboard) will make you feel stressful and “wriggly” because your primal brain tells you to run from the nonexistent predator or natural danger that is suddenly screeching near or at you. Interesting fact- us humans are so horrible, that clanging, metallic sounds resemble war, and can cause legitimate, unexplainable (by them) fear in some people.
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