Figure 6.

Use of a cell-attached method to elicit low-threshold burst firing. A, Images from the fixed-stage microscope during dLGN relay neuron recording taken during epifluorescence in cell-attached and whole-cell configuration. B, The top trace illustrates cell-attached bursts resulting from extracellular current injection. The bottom trace shows low-threshold bursts recorded in the more conventional whole-cell configuration. In each case, five consecutive records are superimposed to show the variability in burst behavior. C, Quantification of the mean burst frequency and burst latency recorded in cell-attached and whole-cell configuration.