Zita Patai and Sonia Doallo lead pair of studies showing facilitation of perceptual discrimination by long-term spatial contextual memory for targets embedded in complex scenes, and the boosting of these effects by positive reward associations. Both papers are published in the Journal of Cognitive Neuroscience. They contain some interesting twists about the mechanisms by which memory can guide perception and help advance our understanding of the interactions among reward, memory, and perceptual systems in the human brain.
Doallo S, Patai EZ, Nobre AC. Reward Associations Magnify Memory-based Biases on Perception. J Cogn Neurosci. 2012 Oct 15. [Epub ahead of print]
Patai EZ, Doallo S, Nobre AC. Long-term Memories Bias Sensitivity and Target Selection in Complex Scenes. J Cogn Neurosci. 2012 Dec;24(12):2281-91. doi: 10.1162/jocn_a_00294. Epub 2012 Sep 27.