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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Phys Life Rev. 2009 Jun 1;6(2):103–120. doi: 10.1016/j.plrev.2009.02.001

Figure 1.

Figure 1

Brain networks underlying attention. One fronto-parietal network is involved in orienting to sensory events (circles), while a cingulo-opercular network relates to the resolution of conflict among responses (triangles, executive network), a third network is responsible for achieving the alert state involves norepinepherine from the midbrain (squares).