with matlab 7 the error is: SPM2: spm_results_ui (v2.42) 19:31:37 - 17/02/2005 ======================================================================= SPM2: wfu_spm_getSPM2_conj (v2.50) 19:31:37 - 17/02/2005 ---------------------------------------------------------------- ??? Error using ==> cellstr Input must be a string. Error in ==> spm_conman at 875 Mcstr = cellstr(Mcstr); if length(Mcstr)<2, Mcstr{2}=''; end Error in ==> spm_conman at 803 [F,cF] = spm_conman('Initialise','on',xX,xCon,STATmode,n,Prompt,Mcstr,OK2chg); Error in ==> wfu_spm_getSPM2_conj at 232 [Ic,xCon] = spm_conman(SPM,'T&F',Inf,... Error in ==> spm_getSPM at 14 [SPM,xSPM] = wfu_spm_getSPM2_conj; Error in ==> spm_results_ui at 260 [SPM,xSPM] = spm_getSPM; ??? Error while evaluating uicontrol Callback.