Figure 2

Changes in the amplitude and frequency of EEG activity after 4-AP injection. Graphs represent the three experimental groups of animals sacrificed at 30 (graphs in top), 60 (graphs in middle) and 180 (graphs in bottom) min after 4-AP administration. The time course is represented on the x-axis, while the y-axis represents the data as percentage of change with respect to electrical basal activity (100%) of 24 control animals. Error bars represent SEM. Abbreviations: right and left occipital cortex (blue diamond rOC / red square lOC), right entorhinal cortex (green triangle rEC) and left occipital cortex binocular (violet asterisk lOCB).