Searching for threat : factors determining performance during CCTV monitoring

  title={Searching for threat : factors determining performance during CCTV monitoring},
  author={Christina J. Howard and Tomasz Troscianko and Iain D. Gilchrist and Ardhendu Behera and David C. Hogg},
Monitoring closed-circuit television (CCTV) for security purposes is a task requiring sustained attention and the processing of many complex, constantly changing visual elements. Studies of performance in such tasks reveal a high level of workload and rapid loss of performance as workload is increased. Similarly, laboratory based experimental paradigms suggest that performance in CCTV monitoring is extremely dependent on the complexity and number of video screens monitored. We suggest that… CONTINUE READING


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