function asynch_groupdata_plotter(async, bgrd,matrix_of_trialcounts)
%uses the asynch_event_data_holder and bgrd_event_data_holder obtained with analyze_across_sd_stdp_expts and careful_asynch_measurer to plot the asynch sizes over time

for expt=2:2:size(asynch_event_data_holder,2)
    figure(expt/2),hold on
    plot(async(:,expt-1),async(:,expt),'ko')
    plot(bgrd(:,expt-1),bgrd(:,expt),'k.')
    
end