Scrub fMRI data in CIFTI format

Performs projection scrubbing or DVARS scrubbing, and optionally thresholds to identify artifactual time points. Requires ciftiTools and the Connectome Workbench.

scrub_xifti(
  X,
  method = c("projection", "DVARS"),
  brainstructures = c("left", "right"),
  ...
)

Arguments

X	Path to a CIFTI file, or a "xifti" object.
method	"projection" or "DVARS"
brainstructures	Character vector indicating which brain structure(s) to use: "left" (left cortical surface), "right" (right cortical surface) and/or "subcortical" (subcortical and cerebellar gray matter). Can also be "all" (obtain all three brain structures). Default: c("left", "right") (excludes the subcortex).
...	Additional arguments to each specific scrubbing function: pscrub or DVARS.

Value

A list with components

measure

A length \(T\) vector or data.frame with \(T\) rows, giving the outlyingness measure(s)

measure_info

Describes the outlyingness measure(s)

outlier_cutoff

The outlier cutoff value(s).

outlier_flag

A length \(T\) vector or data.frame with \(T\) rows, where TRUE indicates suspected outlier presence.