Office of NIH History  
Page Banner: Drugs as opiates; drugs as research tools
  Gate Control Model  
   
  A graph showing the gate control model of pain

 
     
  The Gate Control Model - Reprinted by permission - Ronald Melzack and Patrick Wall, Pain mechanisms: a new theory. Science v. 150 (1965): 975. Copyright AAAS , http://www.sciencemag.org  
     
  Return  
     
  Office of NIH History | NIH| DHHS