Abstract
Abstract The role of pain-related fear learning and memory processes, conceptually embedded within the fear-avoidance model of chronic pain, is increasingly recognized. The unique biological salience of interoceptive, visceral pain with its cognitive, emotional, and motivational facets fosters associative learning. Conditioned fear is in principle adaptive but may turn maladaptive and contribute to hypervigilance and hyperalgesia in chronic pain. This review summarizes current knowledge on the formation, extinction, and return of pain-related memories with a focus on visceral pain. It provides a conceptual background, describes experimental approaches, and summarizes findings on behavioral and neural mechanisms in healthy humans and patients with chronic pain. Future directions underscore the potential of refining knowledge on the role of associative learning in the pathophysiology and treatment of chronic visceral pain in disorders of gut–brain interactions such as irritable bowel syndrome.
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