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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).
[2] [4] Common forms of self-harm include damaging the skin with a sharp object or scratching with the fingernails, hitting, or burning. The exact bounds of self-harm are imprecise, but generally exclude tissue damage that occurs as an unintended side-effect of eating disorders or substance abuse , as well as more societally acceptable body ...
Female hands. Hand fetishism, [1] hand partialism or cheirophilia is the sexual fetish for hands. This may include the sexual attraction to a specific area such as the fingers, palm, back of the hand and/or nails, or the attraction to a specific action performed by the hands; which may otherwise be considered non-sexual—such as washing and drying dishes, painting of the fingernails and nail ...
The "lamp looks weird" trend originated from an old Reddit post by an anonymous user who experienced a lifetime of memories in a span of a few moments after sustaining a head injury.. In the story ...
There have been many different theories regarding the causes of excoriation disorder, including biological and environmental factors. [10]A common hypothesis is that excoriation disorder is often a coping mechanism to deal with elevated levels of turmoil, boredom, anxiety, or stress within the individual, and that the individual has an impaired stress response.
The phenomenon of referred itch was documented as early as 1733. Around that time, the English scientist Stephen Hales observed that when an area of the body was scratched by the nails, an itching sensation could be triggered on a distant part of the body. He had called the phenomenon the many "Instances of the Sympathy of the Nerves."
Frankie Muniz is stepping out of his comfort zone in Renner.. The new sci-fi thriller, which opened in limited theaters on Friday, features Muniz, 39, as an internally conflicted computer genius ...
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. [1] It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.