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VA Technical Reference Model v 24.4

Psychophysics Toolbox Version 3 (PTB-3)
Psychophysics Toolbox Version 3 (PTB-3) Technology

General InformationGeneral Information help

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

Website: Go to site
Description: The Psychophysics Toolbox Version 3 (PTB-3) is a free set of MATLAB functions for vision and neuroscience research. This software is a set of functions that offers access to the display frame buffer and color lookup table and allows integration with the vertical retrace. This technology has the ability to support sub-millisecond timing, video playback and capture, expose raw Open Graphics Library (OpenGL) and help the collection of observer responses through regular and specialized input devices.

This technology does not utilize a database as data is stored on the user`s local drive.

Note: The technology page and/or vendor page is not accessible within the VA firewall.
Technology/Standard Usage Requirements: Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information: This technology has been assessed by the Section 508 Office and found non-conformant. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at Please see reference tab for more information concerning product versions.
Decision: View Decisions

Decision Source: TRM Mgmt Group
Decision Process: One-VA TRM v22.11
Decision Date: 11/17/2022 at 02:07:39 UTC
Aliases: Psychtoolbox
Introduced By: TRM Request
Vendor Name: Psychtoolbox
- The information contained on this page is accurate as of the Decision Date (11/17/2022 at 02:07:39 UTC).