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The relationship between alertness and spatial attention under simulated shiftwork.

Abstract：

:Higher and lower levels of alertness typically lead to a leftward and rightward bias in attention, respectively. This relationship between alertness and spatial attention potentially has major implications for health and safety. The current study examined alertness and spatial attention under simulated shiftworking conditions. Nineteen healthy right-handed participants (M = 24.6 ± 5.3 years, 11 males) completed a seven-day laboratory based simulated shiftwork study. Measures of alertness (Stanford Sleepiness Scale and Psychomotor Vigilance Task) and spatial attention (Landmark Task and Detection Task) were assessed across the protocol. Detection Task performance revealed slower reaction times and higher omissions of peripheral (compared to central) stimuli, with lowered alertness; suggesting narrowed visuospatial attention and a slight left-sided neglect. There were no associations between alertness and spatial bias on the Landmark Task. Our findings provide tentative evidence for a slight neglect of the left side and a narrowing of attention with lowered alertness. The possibility that one's ability to sufficiently react to information in the periphery and the left-side may be compromised under conditions of lowered alertness highlights the need for future research to better understand the relationship between spatial attention and alertness under shiftworking conditions.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Chandrakumar D,Dorrian J,Banks S,Keage HAD,Coussens S,Gupta C,Centofanti SA,Stepien JM,Loetscher T

doi

10.1038/s41598-020-71800-6

subject

Has Abstract

pub_date

2020-09-11 00:00:00

pages

14946

issue

1

issn

2045-2322

pii

10.1038/s41598-020-71800-6

journal_volume

10

pub_type

临床试验,杂志文章

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