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Blue-light background impairs visual exogenous attention shift
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DOI：10.1038/s41598-022-24862-7.png)
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摘要
En 中文
Previous research into the effects of blue light on visual-spatial attention has yielded mixed results due to a lack of properly controlling critical factors like S-cone stimulation, ipRGCs stimulation, and color. We adopted the clock paradigm and systematically manipulated these factors to see how blue light impacts the speed of exogenous and endogenous attention shifts. Experiments 1 and 2 revealed that, relative to the control light, exposure to the blue-light background decreased the speed of exogenous (but not endogenous) attention shift to external stimuli. To further clarify the contribution(s) of blue-light sensitive photoreceptors (i.e., S-cone and ipRGCs), we used a multi-primary system that could manipulate the stimulation of a single type of photoreceptor without changing the stimulation of other photoreceptors (i.e., the silent substitution method). Experiments 3 and 4 revealed that stimulation of S-cones and ipRGCs did not contribute to the impairment of exogenous attention shift. Our findings suggest that associations with blue colors, such as the concept of blue light hazard, cause exogenous attention shift impairment. Some of the previously documented blue-light effects on cognitive performances need to be reevaluated and reconsidered in light of our findings.
Keyword:
RETINAL GANGLION-CELLS
SIMPLE REACTION-TIMES
ENRICHED WHITE-LIGHT
FRONTAL EYE FIELD
CONE SIGNALS
COLOR
PERFORMANCE
MELANOPSIN
ALERTNESS
LUMINANCE
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IF:
3.9
论文数:
27.8W
被引数:
83.5W
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