Habituation of the landing response of Drosophila wild-type and mutants defective in olfactory learning

Journal of Neurogenetics
C T Rees, H C Spatz

Abstract

Habituation of the landing response of Drosophila is described by two behavioural variables. The landing activity and the time till the onset of the response. These data are described in the framework of a leaky integrator model. It is shown that the course of habituation can be simulated by varying only one of the parameters of the model, the output of the detector for landing stimuli. The two other parameters, the leakiness and the degree of biological variance, are kept at fixed values. With the exception of the data for mutant rutabaga, the same values for the constant parameters can be used to describe the data for two wildtype strains and mutants defective in olfactory learning. Duerr and Quinn (1982) have shown that these mutants habituate slower than the corresponding wildtype to chemosensory stimuli. In contrast habituation to visual stimuli of the mutants dunce amnesiac and rutabaga is faster than that of wildtype Canton-S. The theoretical description shows that this can not be attributed to leakier integrators of the mutants, but rather to a faster decrease of the output of the landing detector.

References

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Citations

May 25, 2007·Learning & Memory·Summer F AcevedoEfthimios M C Skoulakis
Jan 31, 2012·Behavioural Brain Research·Maria Luisa ZaccardiRossana Scuri
Jun 13, 2009·Journal of Neuroscience Methods·Punita SharmaZoltan Asztalos
Jul 1, 1993·Neuron·R L Davis
Sep 11, 1991·Baillière's Clinical Obstetrics and Gynaecology·H T Engelhardt, K W Wildes
Apr 28, 2007·Journal of Neurogenetics·Zoltan AsztalosTim Tully
May 14, 2004·Genes, Brain, and Behavior·W ChoF W Wolf
Sep 4, 2008·Neurobiology of Learning and Memory·Jeff E Engel, Chun-Fang Wu

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