Effects of increased cognitive load on field of view in multi-task operations involving surveillance

Many multi-task operations require human operators to simultaneously perform visual surveillance and a secondary task. As the trend in the technological advancement of surveillance systems indicates high likelihood of heavy interdependence between human and technology in the foreseeable future, it i...

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Published in:Human-intelligent systems integration (Online) 2021-12, Vol.3 (4), p.277-285
Main Authors: Goh, Seng Yuen Marcus, Lye, Sun Woh, Sou, Ka Lon, Luo, Chengwen, Xu, Hong
Format: Article
Language:English
Subjects:
Air traffic control
Automobiles
Cognitive ability
Computational Intelligence
Engineering
Field of view
Human Resource Management
Hypotheses
Investigations
Multitasking
Operators
Parameters
Research Article
Response time
Surveillance
Surveillance systems
User Interfaces and Human Computer Interaction
Variance analysis
Visual field
Visual fields
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creator Goh, Seng Yuen Marcus
Lye, Sun Woh
Sou, Ka Lon
Luo, Chengwen
Xu, Hong
description Many multi-task operations require human operators to simultaneously perform visual surveillance and a secondary task. As the trend in the technological advancement of surveillance systems indicates high likelihood of heavy interdependence between human and technology in the foreseeable future, it is paramount to venture beyond the context of driving, an area where similar research is saturated in, and investigate the functional field of view (FFoV) of multi-tasking human operators in other operations involving surveillance. In the present study, we investigated the effects of multi-tasking and stimulus parameters (size and contrast) on the response accuracy and response time for identifying visual targets appearing within one’s visual field. Mixed analyses of variance revealed that only response time was negatively affected by multi-tasking, while both response accuracy and response time deteriorated as either the size or contrast of the visual targets decreased. In addition, a significant interaction effect between the investigated parameters of the visual target on response accuracy implies the need for multi-task operations involving surveillance to consider such and future findings critically as they evolve their technology and systems to aid the human operators. The current findings provide insights for surveillance and air traffic control (ATC) operations in future studies.
doi_str_mv 10.1007/s42454-021-00038-y
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subjects Air traffic control
Automobiles
Cognitive ability
Computational Intelligence
Engineering
Field of view
Human Resource Management
Hypotheses
Investigations
Multitasking
Operators
Parameters
Research Article
Response time
Surveillance
Surveillance systems
User Interfaces and Human Computer Interaction
Variance analysis
Visual field
Visual fields
title Effects of increased cognitive load on field of view in multi-task operations involving surveillance
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