There are however notable differences between the PsychoJS and PsychoPy libraries, most of which having to do with the way a web browser interprets and runs JavaScript, deals with resources (such as images, sound or videos), or render stimuli. Experiment designers familiar with the PsychoPy library should feel at home with PsychoJS, and can expect the same level of control they have with PsychoPy, from the structure of the trials/loops all the way down to frame-by-frame updates. PsychoJS offers classes such as Window and ImageStim, with very similar attributes to their Python equivalents. We built the PsychoJS library to make the JavaScript experiment files look and behave in very much the same way as the Builder-generated Python files. If you want to know more, see DownloadPsychtoolbox (or help DownloadPsychtoolbox in the command window.) If you intend to use multi-media functions, or if you want fast, high-quality, cross-platform, consistent text rendering with Matlab, you must install the 64-Bit GStreamer-1.18.5 or. Many of the existing Builder experiments should "just work", subject to the Components being compatible between PsychoPy and PsychoJS. If the download fails, read below on Download Problems. The recommended approach to creating experiments is to use PsychoPy Builder to generate the javascript and html files. The server will also need to host the PsychoJS library. Those files need to be hosted on a web server to which participants will point their browser in order to run the experiment. Running PsychoPy experiments online requires the generation of an index.html file and of a javascript file that contains the code describing the experiment. In some circumstance, they can even use their phone! Getting Started The idea behind PsychoJS is to make PsychoPy experiments available online, from a web page, so participants can run them on any device equipped with a web browser such as desktops, laptops, or tablets. Experiments can be run multiple times per day, without data collection becoming impractical. We can study people in environments they do not find intimidating. Data can be collected on larger, more varied, international populations. With high-speed broadband, improved web technologies and smart devices everywhere, studies can now go online without sacrificing too much temporal precision. These studies are still typically conducted on small numbers of people in laboratory environments equipped with dedicated hardware. psychology, neuroscience, linguistics or mental health) use computers to present stimuli and record responses in a precise manner. Many studies in behavioural sciences (e.g. You can contribute by submitting pull requests to the PsychoJS GitHub repository, and discuss issues and current and future features on the Online category of the PsychoPy Forum. You can create online experiments from the PsychoPy Builder, you can find and adapt existing experiments on, or create them from scratch. It is the online counterpart of the PsychoPy Python library. PsychoJS is a JavaScript library that makes it possible to run neuroscience, psychology, and psychophysics experiments in a browser. Home Project Website Forum Github Modules
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