Hi - yes, several tools - see the FSL wiki. Steve. On 25 Apr 2013, at 11:13, Shan(Hannah) Luo <[log in to unmask]> wrote: > Dear FSL experts, > > I am playing with some resting-state pASL data and trying to figure out how to quantify cerebral blood flow (CBF) in my region of interest. I know a toolbox ( ASLtbx) can do the job but in a different platform. Does FSL have something similar calculate CBF? Thanks ahead of time. --------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------