The gate control theory of pain (Melzack & Wall 1965) proposes that non-painful input closes the “gates” to painful input, which prevents pain sensation from travelling to the central nervous system. Activation of nerves which do not transmit pain signals but transmit information about touch, pressure & vibration (called non-nociceptive fibres; nociception [no-see-sep-shun] is the perception of pain by beings) can interfere with signals from pain fibres, thereby inhibiting pain. Therefore, stimulation by non-harmful input is able to suppress pain.
The team in a pain clinic will typically be up of a clinical psychologist, nurse, occupational therapist, physiotherapist, an advising pharmacist, CBT therapist and counsellor. The International Association for the Study of Pain recommends the use of OTs for assessments an treatment of chronic pain (Loesler 1991). A pain clinic can be hospital (inpatient) or community (outpatient) based.