the mechanism in cells of the substantia gelatinosa of the spinal cord that transmit the net effect of both excitatory and inhibitory signals to the brain. It can modify pain signals. Also called gating mechanism.

SPINAL GATE: "The spinal gate is a mechanism that controls pain."
Cite this page: N., Pam M.S., "SPINAL GATE," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/spinal-gate/ (accessed April 18, 2021).