Biological process

down regulation of N-methyl-D-aspartate selective glutamate receptor activity, down regulation of NMDA glutamate receptor activity, down regulation of NMDA receptor, down-regulation of N-methyl-D-aspartate selective glutamate receptor activity, down-regulation of NMDA glutamate receptor activity, down-regulation of NMDA receptor, downregulation of N-methyl-D-aspartate selective glutamate receptor activity, downregulation of NMDA glutamate receptor activity, downregulation of NMDA receptor, negative regulation of N-methyl-D-aspartate selective glutamate receptor activity, negative regulation of NMDA receptor

Any process that stops, prevents or reduces the frequency, rate or extent of NMDA glutamate receptor activity.