Early involvement of prefrontal cortex in visual bottom up attention

  title={Early involvement of prefrontal cortex in visual bottom up attention},
  author={Fumi Katsuki and Christos Constantinidis},
  booktitle={Nature Neuroscience},
Visual attention is guided to stimuli either on the basis of their intrinsic saliency against their background (bottom-up factors) or through willful search of known targets (top-down factors). Posterior parietal cortex (PPC) is thought to be important for the guidance of visual bottom-up attention, whereas dorsolateral prefrontal cortex is thought to represent top-down factors. Contrary to this established view, we found that, when monkeys were tested in a task requiring detection of a salient… CONTINUE READING
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