Home » Introduction to Neurohacking In R » What is a wrapper function What is a wrapper function Theme 4 Quiz 4 >>> What is a wrapper function >>> Introduction to Neurohacking In R 1. Question 1 What is a wrapper function? 1 point none of these options a function which “wraps” an image around itself a function that calls other functions to create an image processing pipeline an inhomogeneity correction and registration function =========================================== 3. Question 3 Given the following R code from the lecture: which file will the images be registered to? 1 point 113-01-FLAIR.nii.gz 113-01-PD.nii.gz 113-01-MPRAGE.nii.gz 113-01-T2w.nii.gz =========================================== 5. Question 5 Why is the lapply function used in the following code from the lecture? 1 point the code is incorrect and we should be using an apply statement instead the function lapply is an apply statement for lists; the object outfiles is a list the function lapply is always used with the function fslmask the code is incorrect and we should be using a mapply statement instead =========================================== 2. Question 2 The R function preprocess_mri_within (part of the R package extrantsr) performs which image pre-prcoessing steps? 1 point inhomogeneity correction registration skull stripping all of these options =========================================== 4. Question 4 Given the following R code from the lecture: what should be changed if you wish to do N3 correct rather than N4 correct? 1 point change correction = “N3” to correction = “N4” no changes are necessary as N3 is already being used change correction = “N4” to correction = “N3” change skull_strip = FALSE to skull_strip = TRUE Other Questions Of This Category Which type of registration is performed in this lecture before a nonlinear registrationA pipelineWhy is it appropriate to use rigid registration when performing co registration within a subject longitudinallyThe function bias correct is part of which packageRigid registration has how many degrees of freedomThe fslr function fsl_biascorrect calls what function in FSLWhich templates are used in this lectureSymmetric image normalization SyN is a type of nonlinear registrationHow many degrees of freedom does an affine registration haveWhat type of registration are we using to register the baseline and followup T1 volumesFlirt in FSL is a tool for nonlinear registrationWhat does the function ants_regwrite in the R package extrantsr doAfter the registration and interpolation the ROI in our example is still a binary imageWhat type of image format does ANTsR use in RThe NIfTI file format is NOT