“”The more attention you pay to a stimulus, the better your visual perception is and the more effective your visual cortex is at processing that stimulus. Another factor is the reward value of a stimulus: when a visual signal becomes associated with a reward, it affects our processing of that visual signal.”

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“…information about rewards is being sent to the visual cortex to indicate which stimuli have been associated with rewards…reward-only trials were found to strengthen the cue-reward associations…rewards can be associated with stimuli over longer time scales than previously thought… a reward signal is being sent to the visual cortex via dopamine,”

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