Physiological workload reactions to increasing levels of task difficulty.

@article{Veltman1998PhysiologicalWR,
  title={Physiological workload reactions to increasing levels of task difficulty.},
  author={Joris A. Veltman and Anthony W. K. Gaillard},
  journal={Ergonomics},
  year={1998},
  volume={41 5},
  pages={656-69}
}
The sensitivity of physiological measures to mental workload was investigated in a flight simulator. Twelve pilots had to fly through a tunnel with varying levels of difficulty. Additionally, they had to perform a memory task with four levels of difficulty. The easiest memory task was combined with the easiest tunnel task and the most difficult memory task with the most difficult tunnel task. Between the tunnel tasks, subjects had to fly a pursuit task in which a target jet had to be followed… CONTINUE READING

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