018 __top__ - Pain Gate Ddsc
Proposed by Melzack and Wall in 1965, the Gate Control Theory suggests that the spinal cord acts like a “gate” that can either allow pain signals to reach the brain or block them.
Triggers localized, non-harmful neural activation while prompting systemic endorphin release. Chronic migraines, neuropathy. Central Control: The Brain's Downward Influence pain gate ddsc 018
is a structured instructional unit designed to explain the neurophysiological basis of pain modulation through the Gate Control Theory (Melzack & Wall, 1965). The module bridges fundamental neuroscience with clinical pain management strategies. Proposed by Melzack and Wall in 1965, the
The "gate" is not a physical structure but a functional mechanism involving specific nerve fibers and interneurons. The dorsal horn of the spinal cord contains a region called the , where this gating occurs. Two primary types of peripheral nerve fibers compete to transmit their signals to the brain: Central Control: The Brain's Downward Influence is a
The "gate" itself is comprised of inhibitory interneurons located within the of the spinal cord's dorsal horn.
This uses a high frequency of around 90-130 Hz and a relatively low intensity to stimulate the A-beta fibers and close the gate. This method provides relief quickly, often within minutes, but the effect typically wears off within 1-2 hours after turning the unit off. It is often used for acute pain.
