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. 2015 Mar 18;9:89. doi: 10.3389/fncel.2015.00089

FIGURE 4.

FIGURE 4

Action potential (AP) properties of b-AC Martinotti cells (b-AC MCs) are modified in the presence of 4-AP. (A) Representative AP firing of a L2/3 b-MC during a 475 pA depolarizing current pulse before (black) and after (red) bath application of 4-AP. (B) Superimposition of APs from A before and after bath application of 4-AP showing spike widening and burst firing in presence of 4-AP. (C) Summary plot demonstrates that bath application of 4-AP significantly increases AP duration in MCs (n = 10). (D) Summary graph illustrating that the AHP after each AP in b-AC MCs was significantly reduced by bath application of 4-AP (n = 10). p < 0.05.