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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...

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Timing divided attention.

Hinze Hogendoorn1, Thomas A Carlson, Rufin VanRullen

  • 1Helmholtz Institute, Experimental Psychology Division, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands. j.h.a.hogendoorn@uu.nl

Attention, Perception & Psychophysics
|November 25, 2010
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Dividing visual attention incurs distinct time and precision costs depending on processing stage. This research proposes a new model for divided attention, integrating diverse findings in visual processing and saccade preparation.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Dividing visual attention across multiple objects or locations is a key cognitive function.
  • Current theoretical frameworks lack a unified explanation for the effects of divided attention.

Purpose of the Study:

  • To develop a theoretical model for divided attention by manipulating the stage of visual processing.
  • To investigate the time and precision costs associated with dividing attention.

Main Methods:

  • Manipulated the stage of visual processing where attention was divided.
  • Probed the costs of divided attention across two dimensions (time and precision).

Main Results:

  • Dividing attention incurs dissociable time and precision costs, varying with processing stage (monitoring vs. access).
  • Dividing attention during monitoring led to delayed access and a precision cost.
  • Dividing attention during access suggested rapid, sequential allocation of undivided attention.

Conclusions:

  • Propose a model where divided attention involves parallel preparation and sequential execution of attention shifts.
  • This framework integrates findings from divided attention and saccade preparation literature.
  • Offers a unified approach to understanding various divided attention methodologies.