A Strategically Timed Verbal Task Improves Performance and Neurophysiological Alertness During Fatiguing Drives

The objective of this study was to investigate if a verbal task can improve alertness and if performance changes are associated with changes in alertness as measured by an electroencephalogram (EEG). Previous research has shown that a secondary task can improve performance on a short, monotonous drive. The current work extends this by examining longer, fatiguing drives. The study also uses EEG to confirm that improved driving performance is concurrent with improved driver alertness. A 90-min, monotonous simulator drive was used to place drivers in a fatigued state. Four secondary tasks were used: no verbal task, continuous verbal task, late verbal task, and a passive radio task. When engaged in a secondary verbal task at the end of the drive, drivers showed improved lane-keeping performance and had improvements in neurophysiological measures of alertness. A strategically timed concurrent task can improve performance even for fatiguing drives. Secondary-task countermeasures may prove useful for enhancing driving performance across a range of driving conditions.


  • English

Media Info

  • Media Type: Digital/other
  • Features: Figures; References; Tables;
  • Pagination: pp 453-462
  • Serial:

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Filing Info

  • Accession Number: 01525883
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 17 2014 1:23PM