Measuring fatigue through the voice: Speech 'flattens' after 24 hours awake
Wednesday, December 22, 2010 - 15:31
in Mathematics & Economics
Researchers in Australia have developed a new method to analyze the effect of fatigue on the central nervous system. They describe how sustained wakefulness slows speech and diminishes variations in pitch and tone -- findings relevant to public safety officials, military leaders, and employers concerned with fatigue among their workers.