__'''1st Level Analysis 2: Basis functions, parametric modulation and correlated regressors'''__[[BR]] You can download a copy of Gayaneh and Oriel's talks here: attachment:BasisFunctions.ppt attachment:ParametricMod.ppt [[BR]] __'''Web Resources'''__[[BR]] Below is a list of web resources used in the talk [[BR]][[BR]] '''Basis Functions''' [[BR]] [http://www.fourier-series.com/fourierseries2/fourier_series_tutorial.html Fourier Series Tutorial][[BR]] [http://www.texample.net/tikz/examples/convolution-of-two-functions/ Animated illustration of the convolution of two functions][[BR]] [http://www-structmed.cimr.cam.ac.uk/Course/Convolution/convolution.html The convolution theorem and its applications][[BR]] [http://www.fil.ion.ucl.ac.uk/spm/doc/books/hbf2/ A link to all the chapters of the Human Brain Function][[BR]][[BR]] Rik's SPM GLM powperpoint from our imaging wiki attachment:SPM.ppt [[BR]][[BR]] '''Correlated regressors'''[[BR]][[BR]] [http://www.matthijs-vink.com/tools.html Design Magic toolbox- Multicollinearity assessment for fMRI for SPM][[BR]] __'''References'''__[[BR]] '''Basis Functions'''[[BR]] Human Brain Function, Academic press, 2nd edition, 2003 (Chapter 10)[[BR]] Functional Magnetic Resonance Imaging (Scott A Huttel et al.)[[BR]] R.N.A. Henson, M.D. Rugg, and K.J. Friston. (2001) The choice of basis functions in event-related fMRI. NeuroImage, 13(6):149, Note: Supplement 1 [[BR]] [http://www.fil.ion.ucl.ac.uk/spm/doc/papers/rnah_choice.pdf PDF of paper] attachment:Dale.pdf Selective Averaging of Rapidly Presented Individual Trials Using fMRI[[BR]] attachment:Josephs.pdf Event-Related fMRI[[BR]] attachment:Friston.pdf Event-Related fMRI: Characterizing Differential Responses[[BR]] attachment:Friston2.pdf Nonlinear Event-Related Responses in fMRI[[BR]] '''Parametric regressors'''[[BR]] Characterizing stimulus-response function using nonlinear regressors in parametric fMRI experiments’, Buchel et al, Neuroimage, 1998 [[BR]] [http://www.fil.ion.ucl.ac.uk/spm/doc/papers/cb_characterizing.pdf PDF of paper] Using parametric regressors to disentangle properties of multi-feature processes’, Wood et al, Behavioural and Brain Functions, 2008 doi:10.1186/1744-9081-4-38[[BR]] [http://www.behavioralandbrainfunctions.com/content/4/1/38/ Link to paper]