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This article is part of the supplement: Seventeenth Annual Computational Neuroscience Meeting: CNS*2008

Open Access Poster presentation

Cerebellar timing and negative patterning

Horatiu Voicu

Author Affiliations

Department of Neurobiology and Anatomy, University of Texas Health Science Center, Houston, TX, 77030, USA

BMC Neuroscience 2008, 9(Suppl 1):P1  doi:10.1186/1471-2202-9-S1-P1

The electronic version of this article is the complete one and can be found online at:

Published:11 July 2008

© 2008 Voicu; licensee BioMed Central Ltd.

Poster presentation

Experimental studies suggest that the rabbit cerebellum is able to show negative patterning (exclusive or), a paradigm in which the rabbit eyelid is conditioned to respond to two individual stimuli, but not to both stimuli presented together. The paradigm, however, works only for interstimulus intervals (ISIs) longer than 800 ms. In this study we use a large scale simulation of the cerebellum to investigate the dynamics between cerebellar timing and the negative patterning paradigm at shorter ISIs. Since the simulation is not able to learn negative patterning with the standard paradigm we design a modified negative patterning training paradigm which is able to produce the standard results. The training mechanism induced by the new paradigm suggests that cerebellar timing and the negative patterning paradigm are mutually exclusive for ISIs shorter than 800 ms.