Neuronal Receptors (s) having The effects of glutamate on SNr cells is mediated by the three principal types of glutamate receptors: a-amino 3hydroxy-5methyl- 4-isoxaline propionic acid/kainate (AMPA), N-methyl-D aspartate (NMDA) and metabotropic receptors [mGluR1 and mGluR5]” Reviewed in as Publication facts