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. 2012 Jan 25;32(4):1183–1196. doi: 10.1523/JNEUROSCI.5342-11.2012

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Copyright © 2012 the authors 0270-6474/12/321183-14$15.00/0

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Figure 3. — No differences between control and epileptic rats in direct responses to glutamate photo-uncaging. Laser stimulation at sites near somata and proximal dendrites of recorded neurons evoked action potentials in a normotopic granule cell in a slice from a control rat (A1), normotopic granule cell in an epileptic rat (A2), hilar ectopic granule cell in an epileptic rat (A3), mossy cell in a control rat (A4), and CA3 pyramidal cell in a control rat (A5). Biocytin-labeled recorded neurons (yellow) and NeuN immunoreactivity (green) are shown in the left panels. Corresponding maps of membrane potential responses to glutamate photo-uncaging are shown in the right panels. B, Group data revealed no significant differences between control and epileptic rats in the number of action potential-evoking spots per map (left graph) or number of action potentials evoked per spot (right graph) for normotopic granule cells (GC), mossy cells (MC), and CA3 pyramidal cells (CA3PC). Hilar ectopic granule cells (HEGC) were found only in slices from epileptic rats. The number of cells is indicated in the bars of left graph. Values represent mean ± SEM.