function M=visualize(data)

%data is the Nx64 matrix of time x channel
%M is a Matlab movie (movie(M) will playback M) 

     time=size(data,1);
     data=data';
     clow=min(min(data));
     chigh=max(max(data));
     data=reshape(data,[8 8 time]);
     h = figure(1);
     
for iter=250:time

     imagesc(data(:,:,iter)',[clow chigh])
     colormap('default')
     colorbar('horiz')
     axis image off
     title(sprintf('time=%d ms, image number=%d',iter*.05,iter));
     set(gcf,'color','white');
     M(iter)=getframe(h);
 end