Scientists at the University of California, San Diego, have uncovered a neurological mechanism that may explain why chronic lower back pain often resists conventional treatment. According to the findings, movement-triggered pain in chronic sufferers activates a brain network tied to self-awareness and memory, a response notably absent in ordinary acute pain, which typically suppresses this network. Researchers say the discovery suggests chronic pain may become embedded in the brain's sense of personal identity rather than functioning as a simple sensory signal.
The unexpected difference could clarify why standard pain medications frequently offer limited relief to the millions living with persistent back pain. It may also account for why fear, anticipation and past experience can intensify the condition, as the brain appears to weave pain into an individual's self-perception. The team said the results point toward new treatment approaches that address the brain's role in sustaining chronic pain, though further research is needed to translate the findings into clinical practice. The study adds to growing evidence that chronic pain is a complex neurological phenomenon rather than a purely physical one.
Independent reporting synthesized from primary wires and global correspondents.