Fig. 2From: Different doses of methamphetamine alter long-term potentiation, level of BDNF and neuronal apoptosis in the hippocampus of reinstated ratsSample traces of PS amplitude and fEPSP slope recorded prior to and after HFS in pathway perforant to dentate gyrus. Arrows indicate PS amplitude and the slope of the EPSP (a). Evoked field potentials in the DG recorded before and after HFS in all groups are shown in (b)Back to article page