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We combined behavioral measures with recordings of brain activity with high temporal resolution to test whether the previous reward outcome associated with a memory could modulate the impact of memory-based biases on perception, and if so, the level(s) at which visual neural processing is biased by reward-associated memory-guided attention. Data showed that past rewards potentiate the effects of spatial memories upon the discrimination of target objects embedded within complex scenes starting from early perceptual stages. We show that a single reward outcome of learning impacts on how we perceive events in our complex environments.<\/jats:p>","DOI":"10.1162\/jocn_a_00314","type":"journal-article","created":{"date-parts":[[2012,10,15]],"date-time":"2012-10-15T17:36:41Z","timestamp":1350322601000},"page":"245-257","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":22,"title":["Reward Associations Magnify Memory-based Biases on Perception"],"prefix":"10.1162","volume":"25","author":[{"given":"Sonia","family":"Doallo","sequence":"first","affiliation":[{"name":"1University of Santiago de Compostela"},{"name":"2University of Oxford"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva Zita","family":"Patai","sequence":"additional","affiliation":[{"name":"2University of Oxford"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna 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