The threshold of pain is the point at which pain begins to be felt. It is an entirely subjective phenomenon. The intensity at which a stimulus (e.g., heat, pressure) begins to evoke pain is the threshold intensity. So, if a hotplate on a person's skin begins to hurt at 42°C (107°F), then that is the pain threshold temperature for that bit of skin at that time. 42°C is not the pain threshold, it is the temperature at which the pain threshold was crossed.
The intensity at which a stimulus begins to evoke pain varies from individual to individual and for a given individual over time.
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Famous quotes containing the words threshold of, threshold and/or pain:
“Much of modern art is devoted to lowering the threshold of what is terrible. By getting us used to what, formerly, we could not bear to see or hear, because it was too shocking, painful, or embarrassing, art changes morals.”
—Susan Sontag (b. 1933)
“Much of modern art is devoted to lowering the threshold of what is terrible. By getting us used to what, formerly, we could not bear to see or hear, because it was too shocking, painful, or embarrassing, art changes morals.”
—Susan Sontag (b. 1933)
“You can’t have operations without screams. Pain and the knife—they’re inseparable.”
—Jean Scott Rogers. Robert Day. Mr. Blount (Frank Pettingell)