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reactrl_jocn2021

Paper:

Braver, T. S., Kizhner, A., Tang, R., Freund, M. C., & Etzel, J. A. (2021). The dual mechanisms of cognitive control project. Journal of Cognitive Neuroscience, 33(9), 1990-2015. DOI: https://doi.org/10.1162/jocn_a_01768

This repository contains analyses data, code, and results for two multivariate analyses: crosstask_simil and profile_analysis

crosstask_simil

A cross-task pattern similarity analysis:

fig_crosstasksimil_conditional

script name (./code/crosstask_simil) reads writes
0_est_simil_jocn_2trpk.R beta coefs from fMRI 1st-level GLM: in/betas*.RDS (not in remote repo; too large) pattern similarity matrices: out/corr*.RDS
1_rsa_jocn_2trpk.R pattern similarity matrices: out/corr*.RDS subject-level similarity statistics: out/subjs_jocn.csv
2_rsa_jocn_2trpk.rmd subject-level similarity statistics: out/subjs_jocn.csv analysis report: code/crosstask_simil/*.html; figure: out/fig_crosstasksimil_conditional.tiff
  • in/betas*.RDS wrangled from AFNI output files, which are not in remote repo, via code/_wrangle/save_betas_dmcc_2trpk_surface.R

profile analysis

A multivariate analysis of differences between sessions in profiles of activation:

fig_multivariate_triangle

script name (./code/profile_analysis) reads writes
distance_jocn.rmd ROI-wise univariate contrasts on beta coefs from fMRI 1st-level GLM: in/roistats*.RDS analysis report: code/profile_analysis/*.html; figure: out/fig_multivariate_triangle.tiff
  • in/roistats*.RDS wrangled from AFNI output files via code/_wrangle/save_roistats.R