Matlab code for generating random abstract line-shapes as in Morales, J., Lau, H., & Fleming, S. M. (2018). Domain-General and Domain-Specific Patterns of Activity Supporting Metacognition in Human Prefrontal Cortex. The Journal of Neuroscience. https://doi.org/10.1523/JNEUROSCI.2360-17.2018
Run fun_generate_shapes.m in Matlab (Psychtoolbox Required) to create random shapes. See file documentation for details.