Fig. 4From: Underlying mechanisms of long-term potentiation during the inhibition of the cannabinoid CB1 and GABAB receptors in the dentate gyrus of hippocampusRepresentative sample traces of field potentials evoked by paired-pulse stimulation at intervals of 20 (a), 30 (b) and 40 (c) ms before and after high-frequency stimulation in the hippocampal PP-DG pathway in male ratsBack to article page