<unk>  is the maximum level of pain that a person is able to tolerate.<unk>  is distinct from pain threshold (the point at which pain begins to be felt). The perception of pain that goes in to<unk>  has two major components. First is the biological component—the headache or skin prickling that activates pain receptors. Second is the brain’s perception of pain—how much focus is spent paying attention to or ignoring the pain. The brain’s perception of pain is a response to signals from pain receptors that sensed the pain in the first place.
Pain tolerance
Threshold of pain
Referred pain
Sense of balance
Affective sensation
Physical strength
Pain and pleasure
Anesthesia awareness