This git repository provides all required code to run the Staircase - Heartbeat Discrimination Task, a novel cardiac discrimintation interoception task. It is part of a larger Em-Body toolkit currently under development that will be released in due course.

The Wiki page has all required information to install and run the task. It also contains all the code to run the analysis and generate the figures in the manuscript below.

If you use this task please cite the following publication:

Savage, H.S., Longley, B.F., Lim, W.P.H., Nord, C.L., Kilner J., & Garfinkel, S.N. (2025). The StaircaseHeartbeat Discrimination Task(S-HDT). PsyArXiv. doi:10.31234/osf.io/59rbn_v1

Please note that this is a pre-printed manuscript that has not (yet!) completed peer review