PsyExTool Project for Psychophysical research of sensory systems

Abstract

A range of computer programing packages for psychophysical methods including open source are available at present. But there are not many convenient and enough flexible experiment control tools that incorporates these methods. The current MATLAB and GNU Octave environment-based project PsyExTool is aimed to create a tool that enables to couple the methods with visual or audio stimulus presentation modules. At present the program allows to use adjustment, constant stimulus and adaptive PSI psychophysical methods. The parameters of the stimulus and psychophysical method is adjusted in a single graphical user interface. The responses are collected using keyboard or mouse. The process of experiment is displayed graphically. At the end of the session, the data can be stored or exported for further analysis. The structure of the program may incorporate and combine additional methods for data collection and stimuli presentation in various sensory modalities. The open-source status of the code should ensure availability and flexibility of the tool.