Subtract mean rest spectrum from mean task spectrum after applying optimal linebroadening to the mean task spectrum. Usually used to correct for the BOLD lineshape narrowing effect in 1H fMRS data.

Subtract mean rest spectrum from mean task spectrum after applying optimal linebroadening to the mean task spectrum. Usually used to correct for the BOLD lineshape narrowing effect in 1H fMRS data.

subtract_rest_task(mrs_data, task_vec, xlim = c(2.11, 1.91))

Arguments

mrs_data

dynamic MRS data.

task_vec

a logical vector with the same length and dynamic scans. Elements set to TRUE and FALSE will be assigned to task and rest respectively.

xlim

spectral region to match, eg c(2.11, 1.91) for tNAA region.

Value

a list containing the matched mrs_data, difference spectra and optimisation results.