% load a GLM (only needed if not yet loaded!)
glm = xff('*.glm', 'Please select the single-study GLM...');

% create the contrast
contrast = glm.SingleStudy_tMap([0;1;1;1;0]);

% name the contrast
contrast.Map.Name = 'Motion in any visual field';

% save the contrast
contrast.SaveAs;

% clean up
contrast.ClearObject;
glm.ClearObject;