Abstract:
OBJECTIVE:The current study investigated performance on a dual auditory task during a simulated night shift. BACKGROUND:Night shifts and sleep deprivation negatively affect performance on vigilance-based tasks, but less is known about the effects on complex tasks. Because language processing is necessary for successful work performance, it is important to understand how it is affected by night work and sleep deprivation. METHOD:Sixty-two participants completed a simulated night shift resulting in 28 hr of total sleep deprivation. Performance on a vigilance task and a dual auditory language task was examined across four testing sessions. RESULTS:The results indicate that working at night negatively impacts vigilance, auditory attention, and comprehension. The effects on the auditory task varied based on the content of the auditory material. When the material was interesting and easy, the participants performed better. Night work had a greater negative effect when the auditory material was less interesting and more difficult. CONCLUSION:These findings support research that vigilance decreases during the night. The results suggest that auditory comprehension suffers when individuals are required to work at night. Maintaining attention and controlling effort especially on passages that are less interesting or more difficult could improve performance during night shifts. APPLICATION:The results from the current study apply to many work environments where decision making is necessary in response to complex auditory information. Better predicting the effects of night work on language processing is important for developing improved means of coping with shiftwork.
journal_name
Hum Factorsjournal_title
Human factorsauthors
Pilcher JJ,Jennings KS,Phillips GE,McCubbin JAdoi
10.1177/0018720816654377subject
Has Abstractpub_date
2016-11-01 00:00:00pages
1031-1043issue
7eissn
0018-7208issn
1547-8181pii
0018720816654377journal_volume
58pub_type
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