The gate-control theory of pain suggests that pain is experienced when brain gates close, stopping the production of endorphins in the brain.

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The gate-control theory of pain suggests that the perception of pain involves interactions between different nerve fibers in the central nervous system. It proposes that certain nerve fibers can open or close a gate in the spinal cord, modulating the amount of pain signals that reach the brain. This theory does not specifically mention endorphins, but it does suggest that various factors can alter the gating process and influence pain perception, such as attention, emotions, beliefs, and previous experiences.

The Gate-Control Theory of Pain Suggests That Pain Is Experienced