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      Exogenous orienting of attention depends upon the ability to execute eye movements.

      1 , ,
      Current biology : CB
      Elsevier BV

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          Abstract

          Shifts of attention can be made overtly by moving the eyes or covertly with attention being allocated to a region of space that does not correspond to the current direction of gaze. However, the precise relationship between eye movements and the covert orienting of attention remains controversial. The influential premotor theory proposes that the covert orienting of attention is produced by the programming of (unexecuted) eye movements and thus predicts a strong relationship between the ability to execute eye movements and the operation of spatial attention. Here, we demonstrate for the first time that impaired spatial attention is observed in an individual (AI) who is neurologically healthy but who cannot execute eye movements as a result of a congenital impairment in the elasticity of her eye muscles. This finding provides direct support for the role of the eye-movement system in the covert orienting of attention and suggests that whereas intact cortical structures may be necessary for normal attentional reflexes, they are not sufficient. The ability to move our eyes is essential for the development of normal patterns of spatial attention.

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          Author and article information

          Journal
          Curr Biol
          Current biology : CB
          Elsevier BV
          0960-9822
          0960-9822
          May 04 2004
          : 14
          : 9
          Affiliations
          [1 ] School of Psychology, The University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom.
          Article
          S0960-9822(04)00265-9
          10.1016/j.cub.2004.04.035
          15120071
          5488c492-9750-4f10-9209-a2ad20a09873
          History

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