Processing Demands, Effort, and Individual Differences in Four Different Vigilance Tasks

  title={Processing Demands, Effort, and Individual Differences in Four Different Vigilance Tasks},
  author={Harry S. Koelega and John A. Brinkman and L Hendriks and Marinus N. Verbaten},
  journal={Human Factors: The Journal of Human Factors and Ergonomics Society},
  pages={45 - 62}
In an attempt to specify the limiting conditions of the taxonomy of vigilance tasks, four tasks differing in memory load and in stimuli employed (sensory or cognitive) were compared. Electrodermal activity and subjective measures were used to determine the investment of effort. The data show that vigilance level and vigilance decrement dissociate. The level seems to relate to effort demand and investment; the decrement seems to be task driven, determined mainly by the type of stimuli used… 

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