A study now finds that visual perceptual learning of complex features occurs due to enhancement of later, decision-related stages of visual processing, rather than earlier, visual encoding stages. It is suggested that strengthening of the readout of sensory information between stages may be reinforced by an implicit reward learning mechanism.
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Sasaki, Y., Watanabe, T. Neuroscience: When perceptual learning occurs. Nat Hum Behav 1, 0048 (2017). https://doi.org/10.1038/s41562-017-0048
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DOI: https://doi.org/10.1038/s41562-017-0048
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