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Skirzewski, Miguel; Princz-Lebel, Oren; German-Castelan, Liliana; Crooks, Alycia M; Kim, Gerard Kyungwook; Tarnow, Sophie Henke; Reichelt, Amy; Memar, Sara; Palmer, Daniel; Li, Yulong; Jane Rylett, R; Saksida, Lisa M; Prado, Vania F; Prado, Marco A M; Bussey, Timothy J
Nature communications, 12/2022, Letnik: 13, Številka: 1Journal Article
The ability to learn Pavlovian associations from environmental cues predicting positive outcomes is critical for survival, motivating adaptive behaviours. This cued-motivated behaviour depends on the nucleus accumbens (NAc). NAc output activity mediated by spiny projecting neurons (SPNs) is regulated by dopamine, but also by cholinergic interneurons (CINs), which can release acetylcholine and glutamate via the activity of the vesicular acetylcholine transporter (VAChT) or the vesicular glutamate transporter (VGLUT3), respectively. Here we investigated behavioural and neurochemical changes in mice performing a touchscreen Pavlovian approach task by recording dopamine, acetylcholine, and calcium dynamics from D1- and D2-SPNs using fibre photometry in control, VAChT or VGLUT3 mutant mice to understand how these signals cooperate in the service of approach behaviours toward reward-predicting cues. We reveal that NAc acetylcholine-dopaminergic signalling is continuously updated to regulate striatal output underlying the acquisition of Pavlovian approach learning toward reward-predicting cues.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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