Effects of four workplace lighting technologies on perception, cognition and affective state (English)

In: International Journal of Industrial Ergonomics   ;  42 ,  1  ;  122-128  ;  2012
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Light-emitting diodes (LED) are becoming an increasingly common lighting option for industrial applications, offering superior power efficiency and longevity relative to conventional fluorescent technologies. This study examined the visual perceptual, affective and cognitive implications of equipping temporary military shelters with either fluorescent or one of three advanced LED lighting systems with varied color temperature and luminance. Twenty-four volunteers were each tested over the course of five consecutive days, including a practice session and four test sessions, one for each of the lighting conditions. Volunteers showed highest visual acuity as measured on symbol identification and color recognition tasks with LED relative to fluorescent lighting and this effect was greatest at highest color temperatures. In terms of psychological and cognitive performance, volunteers showed increased fatigue ratings with fluorescent relative to LED, and this effect was associated with slower response times on tasks measuring spatial and verbal memory. Recent increases in the number of LED technologies being incorporated into industrial lighting applications carry implications for worker performance. We provide evidence that these advanced lighting technologies can promote increased alertness and visual cognitive efficiency among workers when compared to more traditional alternatives.

Table of contents – Volume 42, Issue 1

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Shelton-Rayner, Graham K. / Mian, Rubina / Chandler, Simon / Robertson, Duncan / Macdonald, David W. | 2011
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Wang, Edward Yung-nian / Wang, Eric Min-yang | 2011
A novel foot plate to assess 3D range of motion of the hindfoot
Tuijthof, G.J.M. / Pontesilli, M. / van der Zwaag, H. / Jonges, R. / van de Geer, S.G. / Maas, M. / Blankevoort, L. | 2011
Gender differences in bone conduction auditory signal processing: Communication equipment design implications
Hodges, Meghan L. / McBride, Maranda E. | 2011
Optimization of product dimensions for discrete sizing applied to a tool handle
Garneau, Christopher J. / Parkinson, Matthew B. | 2011
Collection of anthropometry from older and physically impaired persons: Traditional methods versus TC2 3-D body scanner
Sims, R.E. / Marshall, R. / Gyi, D.E. / Summerskill, S.J. / Case, K. | 2011
Optimal helmet use and adjustments with respect to neck load: The experience of military helicopter aircrew
Van den Oord, Marieke H.A.H. / Frings-Dresen, Monique H.W. / Sluiter, Judith K. | 2011
The impact of an increase in work rate on task demands for a simulated industrial hand tool assembly task
Gooyers, Chad E. / Stevenson, Joan M. | 2011
Perceptual matching of shape design style between wheel hub and car type
Luo, Shi-Jian / Fu, Ye-Tao / Zhou, Yu-Xiao | 2011
Quantitative estimation of muscle fatigue on cyclic handgrip tasks
Soo, Yewguan / Sugi, Masao / Yokoi, Hiroshi / Arai, Tamio / Kato, Ryu / Ota, Jun | 2011
Effect of cold immersion on grip force, EMG, and thermal discomfort
Chi, Chia-Fen / Shih, Yuh-Chuan / Chen, Wen-Lin | 2011
Effects of four workplace lighting technologies on perception, cognition and affective state
Hawes, Breanne K. / Brunyé, Tad T. / Mahoney, Caroline R. / Sullivan, John M. / Aall, Christian D. | 2011
Musculoskeletal problems and ergonomic risk assessment in rubber tappers: A community-based study in southern Thailand
Meksawi, Supaporn / Tangtrakulwanich, Boonsin / Chongsuvivatwong, Virasakdi | 2011
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Govindu, Nirathi Keerthi / Babski-Reeves, Kari | 2011
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An evaluation of the proposed revision of the anti-vibration glove test method defined in ISO 10819 (1996)
Welcome, D. E. / Dong, R. G. / Xu, X. S. / Warren, C. / McDowell, T. W. | 2012
A comparative ergonomics study: Performing reading-based tasks on a large-scale tabletop vs. laptop
Li, Binfeng / Zhang, Wei / Zhou, Ronggang / Yang, Chengyun / Li, Zhihong | 2011
Ergonomic design knowledge built in the intelligent decision support system
Kaljun, Jasmin / Dolšak, Bojan | 2011
Measurement strategies for occupational noise exposure assessment: A comparison study in different industrial environments
Arezes, Pedro M. / Bernardo, C.A. / Mateus, Olga A. | 2011
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Boschman, Julitta S. / van der Molen, Henk F. / Frings-Dresen, Monique H.W. / Sluiter, Judith K. | 2011
IFC - Editorial Board
| 2011