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Vigilance
...and now for another Human Factors Minute!
Vigilance is the action or state of keeping careful watch for possible danger or difficulties. The issue with this is that as automation is becoming increasingly more prevalent within our society humans are having to switch from the active role of operator to the passive role of monitor.
Human Factors research has identified many issues with requiring humans to do vigilance tasks as they are highly stressful on individuals because of their substantial demand on information processing resources. One reason for this is individuals need to constantly use working memory to distinguish what a threating detection is compared to a non-threatening detection.
Additionally, many experiments have measured workload during vigilance tasks. The results show that vigilance tasks carry high workload and are cognitively demanding. It is also found that vigilance decrement steadily increases as workload increases over time. Other studies show that there is a reduction in cerebral flow during vigilance tasks which provides physiological evidence that performance capabilities decrease during vigilance tasks.
Research has investigated the high stress that results from vigilance tasks. Data indicates that increases in epinephrine and norepinephrine, as well as self-reports of various experiments showing vigilance tasks cause individuals to disengage from the task and experience distress and worry.
This has been another Human Factors Minute!
Be sure to check out our main show at our official website: https://www.humanfactorscast.media
Support us on these platforms to get access to the entire Human Factors Minute library:
Patreon: https://www.patreon.com/humanfactorscast
Buy us a coffee: https://www.buymeacoffee.com/hfactorspodcast
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Resources:
Music by Kevin McLeod: https://incompetech.com/music/royalty-free/
Mentioned in this episode:
Support us on Patreon for access to the full library of Human Factors Minute
https://www.patreon.com/humanfactorscast
View all episodes
By Human Factors Cast...and now for another Human Factors Minute!
Vigilance is the action or state of keeping careful watch for possible danger or difficulties. The issue with this is that as automation is becoming increasingly more prevalent within our society humans are having to switch from the active role of operator to the passive role of monitor.
Human Factors research has identified many issues with requiring humans to do vigilance tasks as they are highly stressful on individuals because of their substantial demand on information processing resources. One reason for this is individuals need to constantly use working memory to distinguish what a threating detection is compared to a non-threatening detection.
Additionally, many experiments have measured workload during vigilance tasks. The results show that vigilance tasks carry high workload and are cognitively demanding. It is also found that vigilance decrement steadily increases as workload increases over time. Other studies show that there is a reduction in cerebral flow during vigilance tasks which provides physiological evidence that performance capabilities decrease during vigilance tasks.
Research has investigated the high stress that results from vigilance tasks. Data indicates that increases in epinephrine and norepinephrine, as well as self-reports of various experiments showing vigilance tasks cause individuals to disengage from the task and experience distress and worry.
This has been another Human Factors Minute!
Be sure to check out our main show at our official website: https://www.humanfactorscast.media
Support us on these platforms to get access to the entire Human Factors Minute library:
Patreon: https://www.patreon.com/humanfactorscast
Buy us a coffee: https://www.buymeacoffee.com/hfactorspodcast
Join us on Discord:https://go.humanfactorscast.media/Discord
Follow us:
Human Factors Cast Merchandise Store: https://www.humanfactorscast.media/p/Store/
Follow us on Twitch: https://twitch.tv/HumanFactorsCast
Follow us on YouTube: https://www.youtube.com/HumanFactorsCast
Follow us on LinkedIn: https://www.linkedin.com/company/humanfactorscast
Follow us on Twitter: https://www.twitter.com/HFactorsPodcast
Follow us on Facebook: https://www.facebook.com/HumanFactorsCast
Resources:
Music by Kevin McLeod: https://incompetech.com/music/royalty-free/
Mentioned in this episode:
Support us on Patreon for access to the full library of Human Factors Minute
https://www.patreon.com/humanfactorscast