diff --git a/src/pspm_cfg/pspm_cfg_selector_data_design.m b/src/pspm_cfg/pspm_cfg_selector_data_design.m
index 6bd7fe03..19b91dc8 100644
--- a/src/pspm_cfg/pspm_cfg_selector_data_design.m
+++ b/src/pspm_cfg/pspm_cfg_selector_data_design.m
@@ -74,7 +74,7 @@
     end
     % marker channel
     if isfield(job.timeunits, 'markers')
-        options.marker_chan_num = pspm_cfg_channel_selector('run', job.timeunits.markers.chan);
+        options.marker_chan_num = pspm_cfg_selector_channel('run', job.timeunits.markers.chan);
     end
     out1 = model;
     out2 = options;
diff --git a/src/pspm_extract_segments.m b/src/pspm_extract_segments.m
index bd8ae4bc..9fe869ff 100644
--- a/src/pspm_extract_segments.m
+++ b/src/pspm_extract_segments.m
@@ -332,24 +332,13 @@
   % ensure correct file suffix
   [pt, fn, ~] = fileparts(options.outputfile);
   outfile = [pt filesep fn '.mat'];
-  write_ok = 0;
-  if exist(outfile, 'file')
-    if options.overwrite
-      write_ok = 1;
-    else
-      button = questdlg(sprintf('File (%s) already exists. Replace file?', ...
-        outfile), 'Replace file?', 'Yes', 'No', 'No');
-
-      write_ok = strcmpi(button, 'Yes');
-    end
-  else
-    write_ok = 1;
-  end
-
-  if write_ok
+  
+  if pspm_overwrite(options.outputfile, options.overwrite)
     save(outfile, 'segments');
-    out.outputfile = outfile;
+    out.outputfile = outfile;   
   end
+
+
 end
 
 if options.plot
diff --git a/src/pspm_review.fig b/src/pspm_review.fig
index 79f0e237..28b0ec60 100644
Binary files a/src/pspm_review.fig and b/src/pspm_review.fig differ
diff --git a/src/pspm_review.m b/src/pspm_review.m
index 8772eb2f..a133eb43 100644
--- a/src/pspm_review.m
+++ b/src/pspm_review.m
@@ -5,6 +5,7 @@
 %   Introduced in PsPM 3.0
 %   Written in 2008-2015 by Gabriel Graeni (University of Zurich)
 %   Maintained in 2022 by Teddy
+%   Maintained in 2024 by Bernhard Agoué von Raußendorf
 
 %% Initialise
 global settings
@@ -47,10 +48,11 @@ function pspm_review_OpeningFcn(hObject, ~, handles, varargin)
 set(handles.textPlot4,'HorizontalAlignment','left')
 set(handles.textPlot5,'HorizontalAlignment','left')
 set(handles.textPlot6,'HorizontalAlignment','left')
+set(handles.textPlot7,'HorizontalAlignment','left')
 set(handles.textStatus,'HorizontalAlignment','left')
 set(handles.textStatus,'String','Select a model...');
 
-handles.nrPlot = 6;
+handles.nrPlot = 7;
 %handles.figCnt = 0;
 handles.modelCnt = 0;
 handles.currentModel = 1;
@@ -303,6 +305,7 @@ function buttonPlot5_Callback(hObject, ~, handles)
 set(handles.textStatus,'String',tmpStatusString);
 guidata(hObject, handles);
 
+
 % --- Executes on button press in buttonPlot6.
 function buttonPlot6_Callback(hObject, ~, handles)
 % hObject    handle to buttonPlot6 (see GCBO)
@@ -310,6 +313,60 @@ function buttonPlot6_Callback(hObject, ~, handles)
 % handles    structure with handles and user data (see GUIDATA)
 tmpStatusString = get(handles.textStatus,'String');
 set(handles.textStatus,'String','Plotting is in progress. Please wait...');
+switch handles.modelData{handles.currentModel}.modeltype
+    case 'glm'
+
+        modelfile = handles.modelData{handles.currentModel}.modelfile;
+        options = struct();
+        [ssts, segments] = pspm_extract_segments('model', modelfile, options);
+
+        if ssts == -1
+            uiwait(msgbox('Error extracting segments from the model.', 'Error')) 
+        else
+
+            glm = handles.modelData{handles.currentModel}.model;
+            sr = glm.input.sr;
+            cmap = lines(numel(segments.segments));  
+            f.h = figure;
+            f.a.h = axes(f.h);
+            hold on;
+
+            legendNames = cell(1, numel(segments.segments));
+
+            for x = 1:numel(segments.segments)
+
+                plotdata = segments.segments{x}.mean;
+                t = (1:length(plotdata)) / sr; 
+                f.a.p = plot(f.a.h, t, plotdata, 'Color', cmap(x, :), 'LineWidth', 1);
+                legendNames{x} = segments.segments{x}.name;
+
+            end
+
+            f.a.l = legend(legendNames, 'Interpreter', 'none', 'Location', 'best');
+            legend boxoff
+
+            set(get(f.a.h, 'xlabel'), 'String', 'Time (seconds)');
+            set(get(f.a.h, 'ylabel'), 'String', 'Mean Response (data units)');
+            set(get(f.a.h, 'title'), 'String', 'Mean Responses for All Segments');
+
+            hold off;
+        end
+
+
+
+end
+
+set(handles.textStatus,'String',tmpStatusString);
+guidata(hObject, handles);
+
+
+% --- Executes on button press in buttonPlot7.
+function buttonPlot7_Callback(hObject, ~, handles)
+% hObject    handle to buttonPlot7 (see GCBO)
+% eventdata  reserved - to be defined in a future version of MATLAB
+% handles    structure with handles and user data (see GUIDATA)
+tmpStatusString = get(handles.textStatus,'String');
+set(handles.textStatus,'String','Plotting is in progress. Please wait...');
 switch handles.modelData{handles.currentModel}.modeltype
   case 'glm'
     [~, handles.modelData{handles.currentModel}.fig] = ...
@@ -463,16 +520,18 @@ function showModel(handles)
       'Plot', ...
       'Plot', ...
       'Show', ...
+      'Plot', ...
       'Plot'};
     textPlotString = {'Design matrix in SPM style', ...
       'Orthogonality in SPM style', ...
       'Predicted & observed', ...
       'Regressors in command window', ...
-      'Reconstructed responses'};
+      'Reconstructed responses', ...
+      'Plot data per condition'};
     % detect contrasts
     if isfield(handles.modelData{handles.currentModel}.model, 'con')
-      buttonPlotString{6} = 'Show';
-      textPlotString{6} = 'Contrast names in command window';
+      buttonPlotString{7} = 'Show';
+      textPlotString{7} = 'Contrast names in command window';
     end
     setInvisble(handles);
     setButtonPlotString(handles, buttonPlotString);
diff --git a/src/pspm_ui.m b/src/pspm_ui.m
index bf16a1d3..13039981 100644
--- a/src/pspm_ui.m
+++ b/src/pspm_ui.m
@@ -8,6 +8,7 @@
 % ● History
 %   Introduced in PsPM 5.1
 %   Written and maintained in 2021-2022
+%   Maintained in 2024 by Bernhard von Raußendorf
 
 %% Initialise
 global settings
@@ -262,6 +263,10 @@
       'buttonPlot4',...
       'textPlot5',...
       'buttonPlot5',...
+      'textPlot6',...
+      'buttonPlot6',...
+      'textPlot7',...
+      'buttonPlot7',...
       'buttonPlotClose',...
       'textSessionNr',...
       'editSessionNr',...