maxisi = 300.0;
subplot(1, 3, 1);
dt = 0.005;    % bin width for ISIH in seconds
poissonisis = isis(poissonspikes);
plotisihist(poissonisis, dt);
xlim([0, maxisi])
title('Poisson');

subplot(1, 3, 2);
pifouisis = isis(pifouspikes);
plotisihist(pifouisis, dt);
xlim([0, maxisi])
title('PIF OU');

subplot(1, 3, 3);
lifadaptisis = isis(lifadaptspikes);
plotisihist(lifadaptisis, dt);
xlim([0, maxisi])
title('LIF adapt');
savefigpdf(gcf, 'isihist.pdf', 20, 7);