Brain Sensory Signals (IMAGE)
Caption
Figure 1: Efficient selection of sensory signals representing the target of focal attention can account for improved behavioral performance. A) When subject is trying to focus attention on one target (yellow highlighted stimulus in right panel) and ignore distractors (blue highlighted stimuli), neural responses were increased in occipital visual areas of the brain. B) When subjects distributed attention across four stimuli, signals from distracters (blue arrows) had the same magnitude as signals from the target (yellow arrow), causing both relevant and irrelevant information to be routed to perceptual areas of the brain and resulting in less discriminable neural response (more overlap between blue and yellow distributions).
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RIKEN
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