Contribution of Neuropeptide F (NPF) Neurons to Reward in Drosophila melanogaster /

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Bibliographic Details
Author / Creator:Saver Cortes, Mathias Andres, author.
Imprint:2017.
Ann Arbor : ProQuest Dissertations & Theses, 2017
Description:1 electronic resource (111 pages)
Language:English
Format: E-Resource Dissertations
Local Note:School code: 0330
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11715074
Hidden Bibliographic Details
Other authors / contributors:University of Chicago. degree granting institution.
ISBN:9780355078152
Notes:Advisors: Xiaoxi Zhuang; Ulrike Heberlein Committee members: Christian Hansel; Daniel Margoliash.
Dissertation Abstracts International, Volume: 78-12(E), Section: B.
English
Summary:In classical experiments performed by Olds & Milner in 1954, it was shown that rats learn to perform an operant lever-pressing behavior in order to receive an electric stimulus in specific brain nuclei, leading to the identification of what we currently know as mammalian "reward centers" and the discovery that neuronal activation in these brain regions is perceived as rewarding. For the fruit fly Drosophila melanogaster, it is known that specific subsets of neurons regulate different forms of reward. However, a more extensive circuit level description of the fly's reward circuit is missing. Here we present the development of a novel and high throughput 2-choice assay that employs optogenetic activation of neurons to study reward in Drosophila. This new system was characterized using activation of Neuropeptide F (NPF) neurons, a known rewarding stimulation. We showed that NPF neurons could be subdivided into different groups based upon their neuroanatomy and contribution to the NPF neuron activationinduced preference. Finally, we showed that this preference response is dependent on the activity of dopamine neurons.
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