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. Author manuscript; available in PMC: 2014 Oct 28.
Published in final edited form as: J Neurosci. 2009 Jul 1;29(26):8462–8473. doi: 10.1523/JNEUROSCI.5718-08.2009

Figure 5.

Figure 5

The activity of Purkinje cells in vivo can be driven by granule cells which only form parallel fibers. A, Extracellular recordings were made from Purkinje cells in vivo, and patches of granule cells located 300 or 600 μm away along the parallel fiber beam were electrically stimulated using a train of three pulses at 100Hz. B, Raw data from a representative experiment illustrating the occurrence of complex spikes (asterisk) during recording from a Purkinje cell. The pause in simple spike firing following the complex spike as denoted by asterisks in the raw data trace is shown with an expanded time scale. C, Raster plot and the corresponding poststimulus time histogram (5ms bins) showing the response of a Purkinje cell to the repeated activation of a patch of granule cells located 300μm away along the parallel fiber beam. D, Same as C except granule cells located 600μm away were activated.