Vigilance attention 16.422 Vigilance- Monitoring for signal detection over extended periods of time(e.g. radar watch, airport security, etc.) People cannot maintain vigilance past 30 minutes in low workload monitoring conditions High mental Vigilance is problematic problematic Better Performance Attentional demandVigilance & Attention 16.422 • Vigilance – Monitoring for signal detection over extended periods of time (e.g. radar watch, airport security, etc.) • People cannot maintain vigilance past 30 minutes in low workload monitoring conditions . High mental workload is problematic Vigilance is problematic Better Performance Worse Low High Attentional demand