PsyBuilder (ver 0.1) for Psychtoolbox3 under MATLAB was developed by Prof. Yang Zhang (Attention and Perception lab, Soochow university, Suzhou, China) and his colleagues. PsyBuilder is provided as is—no warranty is made or implied by the authors of the software, or by anyone else. This software is designed for research purposes only, not to be used for any business purpose, such as, but not limited to, business training.