Visual perception: Learning to see through noise.
New studies show that perceptual learning does not reduce the noise inherent to the neuronal mechanisms of perception. Rather, learning boosts the brain's capability to extract and make use of the relevant outside signal - but where and how the neuronal changes occur is still unknown.
Hurlbert
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Physiological Sciences, Medical School, Newcastle upon Tyne, NE2 4HH, UK.
D006801:Humans; D007858:Learning / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D013647:Task Performance and Analysis; D014796:Visual Perception / Q000502:physiology*