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. Author manuscript; available in PMC: 2013 Jun 10.
Published in final edited form as: J Neurophysiol. 1999 Nov;82(5):2765–2775. doi: 10.1152/jn.1999.82.5.2765

FIG. 7.

FIG. 7

Synaptic inputs of interbarrelette cells. A–F: synaptic responses of an interbarrelette cell to a progressive increase in stimulus intensity. A: at or near threshold, stimulation evokes a pure IPSP. B and C: stimulation at moderate intensities induces an earlier EPSP with single sodium spike and a late IPSP. D–F: stronger stimulation elicits a long-lasting EPSP with a train of spikes. G: superimposed traces from B–F underscore how the IPSP gives way to the long-lasting EPSP along with progressive increases in stimulus intensity. H: a slight increase in stimulus intensity may also evoke a late EPSP (2) that follows the initial EPSP (1). This late EPSP can be also evident in the records of C and G (middle trace).