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      Neural bases of binocular rivalry.

      1 , ,
      Trends in cognitive sciences
      Elsevier BV

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          Abstract

          During binocular rivalry, conflicting monocular images compete for access to consciousness in a stochastic, dynamical fashion. Recent human neuroimaging and psychophysical studies suggest that rivalry entails competitive interactions at multiple neural sites, including sites that retain eye-selective information. Rivalry greatly suppresses activity in the ventral pathway and attenuates visual adaptation to form and motion; nonetheless, some information about the suppressed stimulus reaches higher brain areas. Although rivalry depends on low-level inhibitory interactions, high-level excitatory influences promoting perceptual grouping and selective attention can extend the local dominance of a stimulus over space and time. Inhibitory and excitatory circuits considered within a hybrid model might account for the paradoxical properties of binocular rivalry and provide insights into the neural bases of visual awareness itself.

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          Author and article information

          Journal
          Trends Cogn Sci
          Trends in cognitive sciences
          Elsevier BV
          1364-6613
          1364-6613
          Nov 2006
          : 10
          : 11
          Affiliations
          [1 ] Psychology Department, 301 Wilson Hall, Vanderbilt University, Nashville, TN 37203, USA. frank.tong@vanderbilt.edu
          Article
          S1364-6613(06)00240-3
          10.1016/j.tics.2006.09.003
          16997612
          e25644a6-f34f-4bf4-9b75-a1bc20731e1c
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