Quantification of the effects of treatments with BDNF or NT-3 and with antibodies against BDNF or NGF on the density of GAD65-immunoreactive puncta in the stratum oriens. A, Untreated slices. B, C, DNQX-treated slices. D, E, Bicuculline-treated slices. Results are presented as percentages of controls (white bars). n, Number of animals;Bic., bicuculline. *p < 0.05; **p < 0.01.