Abstract
Adaptive decision making affords the animal the ability to respond quickly to changes in a dynamic environment: one in which attentional demands, cost or effort to procure the reward, and reward contingencies change frequently. The more flexible the organism is in adapting choice behavior, the more command and success the organism has in navigating its environment. Maladaptive decision making is at the heart of much neuropsychiatric disease, including addiction. Thus, a better understanding of the mechanisms that underlie normal, adaptive decision making helps achieve a better understanding of certain diseases that incorporate maladaptive decision making as a core feature. This chapter presents three general domains of methods that the experimenter can manipulate in animal decision-making tasks: attention, effort, and reward contingency. Here, we present detailed methods of rodent tasks frequently employed within these domains: the Attentional Set-Shift Task, Effortful T-maze Task, and Visual Discrimination Reversal Learning. These tasks all recruit regions within the frontal cortex and the striatum, and performance is heavily modulated by the neurotransmitter dopamine, making these assays highly valid measures in the study of psychostimulant addiction.
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Acknowledgments
The authors would like to thank Melissa Malvaez, Serena Ostrander, and Alisa Kosheleff for help with preparation of figures and Dr. Andrew Holmes for review of the final version of this manuscript. This work was supported by 1SC2MH087974 (Izquierdo).
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Izquierdo, A., Belcher, A.M. (2012). Rodent Models of Adaptive Decision Making. In: Kobeissy, F. (eds) Psychiatric Disorders. Methods in Molecular Biology, vol 829. Humana Press. https://doi.org/10.1007/978-1-61779-458-2_5
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DOI: https://doi.org/10.1007/978-1-61779-458-2_5
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