Why Do Some Noises Make You Cringe?

The video explores why certain sounds, like fingernails on a chalkboard, are universally unpleasant. It discusses scientific studies that show human ears are sensitive to specific frequencies, possibly due to evolutionary reasons. The video also examines brain responses to these sounds, highlighting the role of the amygdala and auditory cortex. Various theories suggest that the anatomy of the human ear amplifies certain frequencies, causing discomfort. Despite different theories, the exact reason for this sensitivity remains uncertain.

What new insight or understanding did you gain from this video?