About RatBat

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Purpose

 

Cognitive test battery for rats.

Written for the University of Cambridge.

The battery includes:

 

•Reinforcement familiarization
•Touchscreen training
•Reversal learning
•Delayed matching and non-matching to sample
•Paired-associates learning
•Simple schedules of reinforcement
•N-pair concurrent visual discrimination
•N-Pair Concurrent Auditory Discrimination
•Audiovisual intradimensional (ID)/extradimensional (ED) set shifting

 

Software requirements

 

Requires Whisker v2.7 or greater (www.whiskercontrol.com).

 

Data storage

 

•Text-based output to disk.
•ODBC data storage to a database (supplied).

 

Author

 

Rudolf Cardinal (rudolf@pobox.com).

Some configuration/code changes to ID/ED task by John Earl (August 2005).

 

Acknowledgements

 

Thanks to Mike Aitken, Shibley Rahman, and Hannah Clarke for helpful discussions regarding the PAL and and reversal learning tasks.

 

Copyright

 

Copyright © Cambridge University Technical Services Ltd

 

Revision history

 

•19 June 2003. Started (version 0.1).
•26 June 2003. Finished (version 0.1). Released within the University of Cambridge.
•6 Aug 2003: Version 0.2 (interim release with known bugs). In the process of updating to version 0.3. Short lifespan, within U of C only.
•7 Aug 2003. Version 0.3: tasks altered to be primarily two-alternative choice tasks, enabling use of IR beams as well as touchscreen. Miscellaneous bugfixes.
•12 Jan 2004. Version 0.4: writes version number and compilation date to summary file; new summary statistics for reversal learning; new correction procedure ("VeryHarsh") for reversal learning.
•22 Nov 2003. Version 0.5: change in method of centring stimuli; fixed bug (couldn't edit first point in a polygon list)
•5 July 2004. Version 0.6: improved end-of-task on-screen display for reversal learning.
•24 October 2004. Version 0.7: recording of all events; auditory discriminations; audiovisual ID/ED task; more status information for reversal task; new correction procedure (ANTIBIAS_NONCORRECTIONLIMIT) for reversal task.
•9 Dec 2004. Version 0.8. Improved bitmap centring function. N-pair discrimination tasks (visual, auditory) have an option to finish when X trials from the last Y are performed correctly.
•8 Feb 2005. Version 0.9. Bugfixes: (1) traylight could remain on between modules; (2) config version number reading was wrong; (3) minor errors fixed in manual.
•21 Feb 2005. Version 1.0. Bugfixes: quasi-random selection procedures in NPair/NPairAuditory crashed.
•1 May 2005. Version 1.1. Able to specify only the stimuli that will actually be required in the ID/ED task.
•29 June 2005. Version 1.2. Bugfix: facility to trigger trials on a particular event was missing in the audiovisual ID/ED task.
•August 2005. Version 1.3. Some configuration/code changes to ID/ED task by John Earl.
•8 March 2007. Version 1.4. Easier compilation for users.
•12 Jan 2009. Version 2.0. Server default changed from "loopback" to "localhost" (Windows Vista compatibility and more general standardization).