Hi - I believe that for normal paradigms you would use a sine and cosine regressor, which is easy to setup in FEAT - but the answer depends on your paradigm! Cheers. On 21 Jun 2007, at 15:29, John McLean wrote: > Hi, > > Does anyone have experience of using FSL to analyse FMRI retinotopic > mapping data? > > In particular i am unsure how to model the data. > > Any help would be appreciated, probably best you contact me off the > list > by email: > > [log in to unmask] > > Thanks > > John ------------------------------------------------------------------------ --- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ------------------------------------------------------------------------ ---