A method for analyzing fMRI brain data, comprising: collecting the fMRI data including spatial information and temporal information from subjects； preprocessing the fMRI data； computing independent components (ICs) and their corresponding time course for each individual subjects； constructing an initial functional connectivity pattern； constructing a classifier based on the functional connectivity pattern； and applying the classifier to functional connectivity patterns of individual subjects for statistical analysis or diagnosis. The method may be used in fMRI based studies of a brain function and brain disorder diagnosis.
