“The order of antagonistic … to the response to L‐aspartate …: gamma‐DGG (69%) greater than APV (66%) greater than NMDLA (60%) greater than GDEE (31%), and that to the response to L‐glutamate was: GDEE (63%) greater than NMDLA (22%) greater than gamma‐GDD (15%) greater than APV (14%).”