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. 2008 Apr 4;95(2):942–950. doi: 10.1529/biophysj.107.117887

FIGURE 3.

FIGURE 3

Variation of upstroke morphology for apical stimulation in experiment and simulation. (A) Experimental Inline graphic map for point stimulation at the apex. The thick semitransparent white bar marks the position of the stimulation electrode; other details are as in Fig. 2 A. (B) Activation sequence for apical stimulation experiment (same experiment as in A), with details as in Fig. 2 B. (C) Simulated Inline graphic map for apical stimulation. (D) Activation sequence for apical stimulation simulation. (E) Optical upstrokes from selected locations as marked in A and C. (F) Comparison of Inline graphic profiles from experiment and simulation. Lines along which profiles are taken are marked by dashed black lines in A and C; the stimulation site corresponds to distance = 0.