Introduction and Definition of Allodynia Allodynia is defined clinically as pain resulting from a stimulus that does not normally provoke pain. This phenomenon represents a critical divergence from typical nociceptive processing, highlighting a state of pathological hypersensitivity within the nervous system. Unlike hyperalgesia, which is an exaggerated response to a painful stimulus, allodynia involves the […]
Introduction to Amputation-Related Pain Syndromes The loss of a limb, whether due to trauma, disease, or surgical necessity, precipitates a complex array of physiological and psychological adjustments. Among the most challenging consequences is the development of chronic pain and abnormal sensations localized to the missing or residual limb. This entry explores the phenomenology, etiology, and […]