“…Pain represents a psychosomatic experience resulting in physical, psychical, and emotional sufferance. Persistent pain causes suffering, distress, deterioration of quality of life (QoL) (Houlihan, O'Donnell, Conaway, & Stevenson, ), abnormal sleeping patterns (Blake et al, ; Tonial, Stechman Neto, & Hummig, ), and anatomic changes of sensory perception (Curatolo & Arendt‐Nielsen, ). While individuals with intelligence quotient (IQ) within the normal range do not have difficulties complaining about presence, localization, and intensity of painful stimuli, the same characteristics are difficult to be reported by noncommunicating children or intellectually impaired individuals (Breau & Burkitt, ).…”