Psychtoolbox Forum

The Psychtoolbox user community is quite active. The forum has ca. 2,000 subscribers and around 4 messages are posted a day.

Histogram of forum postings

Please help other PTB users on the forum.

How to use the forum - A quick primer

Read below how you can assist us in helping you effectively …

If you need an example on how to achieve specific tasks, please take a look at our demos in the Psychtoolbox/PsychDemos folder. If you are a new to Psychtoolbox, make sure to read the introductory PDF file in the Psychtoolbox/PsychDocumentation folder.

Also see docs.psychtoolbox.org or type >> help Psychtoolbox to read our online help.

Please try to find out if similar questions have been asked before.

If you still have a question, try posting it on the forum. Bug reports and feature requests can be posted on the forum. When you post a question, try to include all relevant information

  • Output of >> PsychtoolboxVersion
  • Which platform (Mac OS X, Windows XP/Vista/7, Linux, …)
  • A minimal code snippet that exhibits the bug you found
  • Warnings and Errors that were printed to the console (please read them carefully)
  • Hardware setup and relevant driver versions

We appreciate it when you sign with your name and affiliation.

If you are a registered member of the forum, your posts won’t be subject to moderation delay. Your questions will show up faster and you might get answers faster. Otherwise it may take between hours and days until your post shows up for others to read.

The document »How To Report Bugs Effectively« is a great guide on how to report a potential bug in an effective way. Please read it!

The document »How To Ask Questions The Smart Way« also contains lots of good tips on how to behave on community-run support channels.

If you notice a particularly helpful answer on the forum, we will all be grateful if you would copy it to the FAQ section on our Wiki to preserve it for posterity. You may want to edit it down to the relevant bits. With time we will incorporate and cross-reference these texts elsewhere in the project.

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