signals, including sensations such as pain, within the body, various theories have been proposed as to the causes of pain and its role or function. Even within...

Pain is a distressing feeling often caused by intense or damaging stimuli. The International Association for the Study of Pain defines pain as "an unpleasant...

specificity theory and the peripheral pattern theory, the gate control theory is considered to be one of the most influential theories of pain. This theory provided...

that they influence pleasure and pain. Theories of ethical hedonism can be divided into egoistic and utilitarian theories. Egoistic hedonism says that each...

equivalent terms, one systematic comparison of theories and models of psychological pain, psychic pain, emotional pain, and suffering concluded that each describe...

pain are all derived from experimental theories and observations. Little is known about the true mechanisms causing phantom pain, and many theories highly...

Pain management is an aspect of medicine and health care involving relief of pain (pain relief, analgesia, pain control) in various dimensions, from acute...

Chronic pain or chronic pain syndrome is a type of pain that is also known by other titles such as gradual burning pain, electrical pain, throbbing pain, and...

Neuropathic pain is pain caused by a lesion or disease of the somatosensory nervous system. Neuropathic pain may be associated with abnormal sensations...

sensations such as perceived movement, pressure, pain, itching, or temperature. There are a variety of theories concerning the etiology of phantom limb sensations...

quality theories and attitude theories. An alternative terminology refers to these theories as phenomenalism and intentionalism. Quality theories hold that...

chronic illness or pain have reported feelings of difference and division between themselves and people without disabilities. This theory and the claiming...

the buttocks. Pain can vary from a dull constant ache to a sudden sharp feeling. Low back pain may be classified by duration as acute (pain lasting less...

Myofascial pain syndrome (MPS), also known as chronic myofascial pain (CMP), is a syndrome characterized by chronic pain in multiple myofascial trigger...

Philosophy of pain may be about suffering in general or more specifically about physical pain. The experience of pain is, due to its seeming universality...

pain, left arm/hand pain, jaw pain.[citation needed] This represents one of the earliest theories on the subject of referred pain. It is based on the...

abdominal pain syndrome is a functional gastrointestinal disorder meaning that it is not associated with any organic or structural pathology. Theories on the...

develop more or less effective theories of mind. Neo-Piagetian theories of cognitive development maintain that theory of mind is a byproduct of a broader...

the body. Symptoms include pelvic pain, heavy and painful periods, pain with bowel movements, painful urination, pain during sexual intercourse and infertility...

"Mad Pain and Martian Pain" is a philosophical article written by David Kellogg Lewis. Lewis argued that a theory of pain must be able to reflect the most...

Big Pharma conspiracy theories are conspiracy theories that claim that pharmaceutical companies as a whole, especially big corporations, act in dangerously...

recurrent limb pain in childhood, paroxysmal nocturnal pains, or benign idiopathic paroxysmal nocturnal limb pains of childhood. Theories of causation include:...

or fluid movement theory is one of three main theories developed to explain dentine hypersensitivity, which is a sharp, transient pain arising from stimuli...

Bentham, Baruch Spinoza, and Descartes, have hypothesized that the feelings of pain (or suffering) and pleasure are part of a continuum. There is strong evidence...

Post-ejaculatory pain, mediated by nerves and muscles, is a hallmark of the condition. The cause is unknown. However, there are several theories of causation...

respond to suggestion. There are competing theories explaining hypnosis and related phenomena. Altered state theories see hypnosis as an altered state of mind...

widespread pain, accompanied by fatigue, awakening unrefreshed, and cognitive symptoms. Other symptoms can include headaches, lower abdominal pain or cramps...

Pain tolerance is the maximum level of pain that a person is able to tolerate. Pain tolerance is distinct from pain threshold (the point at which pain...

limbs in minutes; and a third that can reverse aging. Medbed conspiracy theories often involve claims that the devices are utilized by members of a "deep...

theories and is best summed up in Bentham's well-known phrase, "the greatest happiness for the greatest number". Jeremy Bentham supported his theory with...