Experimental display (based on Psychtoolbox) and MEG analyses codes (based on FieldTrip) implemented in MATLAB for the Experiment 2B of the Adversarial Research Collaboration: Empirical Tests of Higher-Order TheorieS of Consciousness (https://www.arc-ethos.org/).
The preregistration document: https://osf.io/8qsxg/overview
If you detect a bug or you have any questions about the implementations: a.ozsu@ucl.ac.uk