Neurophysiology of Sustained Attention

  • Jackson Beatty
Part of the NATO ASI Series book series (ASID, volume 49)


Sustained attention requires the elaborated processing of sensory information by an alert and aroused nervous system. The spectrum of the electroencephalogram provides useful information concerning the state of CNS arousal as related to vigilance performance. Similarly, taskevoked pupillary responses reflect the intensity of cognitive processing, which declines during prolonged sensory monitoring. Such effects are not confined to simple sensory tasks, but are also observed in monotonous tests of complex reasoning.


Sustained Attention Sleep Loss Pupillary Response Monitoring Task Central Nervous System Activation 
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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • Jackson Beatty
    • 1
  1. 1.Department of Psychology and Brain Research InstituteUniversity of California, Los AngelesLos AngelesUSA

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