Definition of Chalkboard scraping
Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its physiological effects).
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Frequently asked questions
What is Chalkboard scraping?
Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating.
Sources & credits
- Wikipedia: Chalkboard scraping – CC BY-SA 4.0
- Image by 信州りんご – CC BY-SA 4.0