The latest installment of The Year in Cognitive Neuroscience series features in-depth reviews of the major issues and emerging topics in cognitive neuroscience, including the role of strategies in motor learning; efficient coding and the neural representation of value; the emotion paradox in the aging brain; perceptual foundations of bilingual acquisition in infancy; understanding disgust; color through the lens of art practice, history, philosophy and neuroscience; functional imaging studies of emotion regulation; and neuropeptides and social recognition