本研究藉由主觀及非主觀的方法研究照明對於高齡者的專注力影響。本研究主要透過生理測量模式測量腦波及心律變異性分析(HRV)，作為影響受測者在燈光照明下的非主觀性輸出指標，並使用問卷作為受測者生理效應的主觀評估。
本研究主要目的為尋找適合高齡者閱讀環境下的照明設置條件，並幫助閱讀專注力及學習能力(非視覺效果)。在本研究中共有13位受測者(男性4名及女性9名)，平均年齡為67±3歲。所有受測者都須接受4項不同之照明設置之組合(照度功率：300lux及500lux;色溫：3000K及5000K CCT)進行測試，並在實驗全程測量及記錄受測者的腦波及HRV訊號。透過EEG及HRV之生理訊號分析，觀察受測者對於照明的感受。
EEG訊號分析之實驗結果顯示，在使用較高照度(500lux)及較高色溫CCT(5000K CCT)之照明設置下，高齡者在進行閱讀時，額葉之副交感神經活動減弱，意味著在閱讀期間更加專注及集中注意力。另一方面，在5000K CCT下，β/α波的比例也隨之增加，這意味著在短波長彩色照明下老年人往往會有更多的注意力。根據ECG之研究結果顯示，雖然500lux及5000K CCT的照明組合下有最佳的效果，然而在照明環境變化下對高齡者並未有顯著的影響。
本研究結果之主觀評估顯示，受測者比起照明為300lux的空間下，更喜歡在較明亮(500lux)及看起來較寬敞的照明設置。在500lux的不同CCT下與不同照明環境的評級之間並沒有統計上之顯著性差異，但於平均評級之間觀察到微小的差異。由此可知，500lux的照明情境下，在5000K CCT下比3000K CCT下，房間看起來較為明亮及寬敞。然而，這些結果未有統計上顯著差異，因此該結果應視為指示性而非結論性。

This study investigates the influence of lighting on the concentration of the elderly people by means of non-subjective and subjective measures. In this study, the main physiological measurement mode is measuring the brainwave and Heart Rate Variability (HRV) as an indicator to the impact on subject’s non-subjective output on the lighting and using the questionnaires as a subjective evaluation of the subject’s physiological effects.
The main purpose of this research is to look for a lighting’s setting condition suitable for elderly people for reading which support their concentration and learning ability (non-visual effects). In this study, subjects were a total of 13 (4 male and 9 female) mean age 67 ± 3.3 years old. All subjects were required to subject to 4 different combinations of lighting setting (Lighting illumination power: 300 lux and 500 lux; Color temperature: 3000K and 5000K of CCT). Their brainwave and HRV are detected during the whole processing. Then through the analysis of EEG and HRV, observed the subject’s feeling about the lighting. Experimental results of EEG signals analysis, showed that there were decreasing parasympathetic activity in the Frontal Lobe part of the human brain for the elderly people while they were performing the reading task under the brighter and cooler color (500 lx and 5000K CCT) lighting setting which mean they were more focused and had more concentration during the task. On the other hand, the ratio of β/α wave was also increasing under the 5000K CCT which mean elderly people tend to have more concentration under short wavelength color lighting.
As for the result of ECG recording showed that the environmental changes in lighting did not have significant influence on the elderly although the combination of 500 lx and 5000K CCT gave the best result of the HRV for the task.
Result from the subjective rating showed the observers preferred the lighting setting under which the room looked brighter (500 lux) and more spacious than under other lighting setting at illuminance level of 300 lux. There were no statistically significant differences between the ratings for different lighting environments under different CCT at 500 lux but small differences were observed between the mean ratings. It can be suggested that at 500 lux, the room looked slightly brighter and slightly more spacious under 5000 K of CCT than under 3000 K of CCT. However, these results were not statistically significant and so should be considered as indicative rather than conclusive.

Aarts MPJ and Westerlaken AC. (2005). Field study of visual and biological light conditions of independently-living elderly people. Gerontechnology, 4 (3):141–52.
Abbott A. (2003). Restless nights, listless days. Nature, 245 (6961):896–8.
Akashi Y, Boyce PR. (2006). A field study of illuminance reduction. Energy and Buildings; 38: 588–599.
Akselrod, Solange, et al. (1981). Power spectrum analysis of heart rate fluctuation: a quantitative probe of beat-to-beat cardiovascular control. science 213.4504: 220-222
Badia P, Myers B, Boecker M, Culpepper J, Harsh JR. (1991). Bright light effects on body temperature, alertness, EEG and behaviour. Physiology and Behaviour, 50 (3):583–8.
Ball, K. K., Beard, B. L., Roenker, D. L., et al. (1988). Age and visual search: expanding the useful field of view. [Research Support, U.S. Gov't, P.H.S.]. Journal of the Optical Society of America. A, Optics and image science, 5 (12), 2210-2219. http://dx.doi.org/10.1364/JOSAA.5.002210
Becker D. E. (2006). Fundamentals of Electrocardiography Interpretation. Anesth Prog; 53(2): 53–64. doi: 10.2344/0003-3006(2006)53[53:FOEI]2.0.CO;2
Boyce, P. R. (2003). Human Factors in Lighting, 2nd ed., New York: Taylor and Francis Inc.
Boyce PR, Eklund NH. (1995). Evaluating lighting quality: Proceedings of the 3rd European Conference on Energy-Efficient Lighting, Newcastle, UK, June 19–21.
Boyce PR, Eklund NH. (1996). An evaluation of office lighting options: Proceedings of the IESNA Annual Conference, Cleveland, USA, August 4-7: 38–68.
Brainard GC, Rollag MD, Hanifin JP. (1997). Photic regulation of melatonin in humans: ocular and neural signal transduction. Journal of Biological Rhythms, 12(6):537–46.
Cajochen C, Zeitzer JM, Czeisler CA, Dijk DJ. (2000). Dose–response relationship for light intensity and ocular and electroencephalographic correlates of human alertness. Behavioural Brain Research, 115(1):75–83.
CEN. (2011). CEN EN 12464-1 Light and lighting - Lighting of work places - Part 1: Indoor work places. European Committee for Standardization.
CIE (1997) Low Vision: Lighting needs for the partially sighted. Technical report 123. Vienna.
Collins, M. J., Brown, B., and Bowman, K. J. (1989). Peripheral visual acuity and age. Ophthalmic & physiological optics: the journal of the British College of Ophthalmic Opticians, 9 (3), 314-316.
Cullinan, T. R., Gould, E. S., Silver, J. H. and Irvine, D. (1979) Visual disability and home lighting. The Lancet 24, 642–644.
Czeisler CA, Allan JS, Strogatz SH, Ronda JM, Sanchez R, Rios CD, et al. (1986). Bright light resets the human circadian pacemaker independent of timing of sleep–wake cycle. Science, 233(4764):667–71.
Dangol R, Islam M, Hyvärinen M, Bhusal P, Puolakka M, Halonen L. (2013). Subjective preferences and colour quality metrics of LED light sources. Lighting Research and Technology; 45: 666–688.
Davis RG and Ginthner DN. (1990). Correlated color temperature, illuminance level, and the Kruithof curve. Journal of the Illuminating Engineering Society; 19: 27–38.
Edwards, J. D., Ross, L. A., Wadley, V. G., et al. (2006). The useful field of view test: normative data for older adults. [Comparative Study Research Support, N.I.H., Extramural]. Archives of clinical neuropsychology: the official journal of the National Academy of Neuropsychologists, 21 (4), 275-286. http://dx.doi.org/10.1016/j.acn.2006.03.001
Eklund N, Boyce PR. (1996). The development of a reliable, valid, and simple office lighting survey. Journal of the Illuminating Engineering Society; 25: 25–40.
Electrophysiology. (1996). Heart Rate Variability: Standards of Measurement, Physiological Interpretation, and Clinical Use. Circulation, vol. 93, no. 5, pp. 1043-1065.
Elliott, D. B. and Whitaker, D. (1991). Changes in macular function throughout adulthood. Documenta Ophthalmologica, 76, 251-259.
Elliott, D., Whitaker, D., and MacVeigh, D. (1990). Neural contribution to spatiotemporal contrast sensitivity decline in healthy ageing eyes. [Research Support, Non-U.S. Gov't]. Vision research, 30 (4), 541-547. http://dx.doi.org/10.1016/0042-6989(90)90066-T
Hon E. H. and Lee S. T. (1963). Electronic evaluation of the fetal heart rate patterns proceeding fetal death, further observations,” American journal of obstetrics and gynecology, 87, 814-826.
Haas, Lindsay F. (2003). Hans Berger (1873–1941), Richard Caton (1842–1926), and electroencephalography. Journal of Neurology, Neurosurgery & Psychiatry 74.1: 9-9.
Harper DG, Volicer L, Stopa EG, McKee AC, Nitta M, Satlin A. (2005). Disturbance of endogenous circadian rhythm in aging and Alzheimer disease. The American Journal of Geriatric Psychiatry, 13(5):359–68.
Hatfield CF, Herbert J, van Someren EJW, Hodges JR, Hastings MH. (2004). Disrupted daily activity/rest cycles in relation to daily cortisol rhythms of home-dwelling patients with early Alzheimer’s dementia. Brain, 127(Pt 5):1061–74.
Homan RW, Herman J, Purdy P. (1987). Cerebral location of international 10-20 system electrode placement. Electroencephalogr Clin Neurophysiol; 66(4):376-82.
Hughes PC and Neer RM. (1981). Lighting for the elderly: a psychobiological approach to lighting. Human Factors, 23(1):65–85.
Hyndman, B. W., and J. R. Gregory. (1975). Spectral analysis of sinus arrhythmia during mental loading. Ergonomics 18.3: 255-270.
http://nbia.ca/brain-structure-function
https://psychmnemonics.wordpress.com/2015/02/11/eeg-wave-frequencies
Islam M, Dangol R, Hyva¨ rinen M, Bhusal P, Puolakka M, Halonen L. (2013). Investigation of user preferences for LED lighting in terms of light spectrum. Lighting Research and Technology; 45: 641–665.
Iwata M et al., (2001). Change in visual contrast sensitivity with age depends on illuminance level, Journal of Illuminating Engineering Institute of Japan, 85 (5), 352-360.
Jatupaiboon N., S. Pan-ngum, and P. Israsena. (2013). Real-Time EEG-Based Happiness Detection System, The Scientific World Journal, vol. 2013, pp. 1-12, 2013
Johnson, C. A., Adams, A. J., Twelker, J. D., et al. (1988). Age-related changes in the central visual field for short-wavelength-sensitive pathways. J Opt Soc Am A, 5 (12), 2131-2139. http://dx.doi.org/10.1364/JOSAA.5.002131
Julian, W. G. (1983) The design of the visual environment of aged partially sighted. Architect. Sci. Rev. 26, 112–115.
Klimesch (1996). Memory processes, brain oscillations and EEG synchronization. International Journal of Psychophysiology, 24(1-2), 61-100.
Kline, D., Culham, J., Bartel, P., et al. (1994). Aging and hyperacuity thresholds as a function of contrast and oscillation rate. Canadian Psychology, 35(2a), 14.
Kline, D. W., Kline, T. J., Fozard, J. L., et al. (1992). Vision, aging, and driving: the problems of older drivers. [Research Support, Non-U.S. Gov't]. Journal of gerontology, 47 (1), P27-34.
Knez I. (2001). Effects of colour of light on nonvisual psychological processes. J Environ Psychol. 21 (2):201–208. doi: 10.1006/jevp.2000.0198
Kooijman, A. C., Cornelissen, F. W., van Schoot, A. J., van der Wildt, G. J., Schipper, J., Meester, H. and Dijkstra, M. (1994) Designing the occupational environment for visual impaired persons. In: Low Vision - Research and New Developments in Rehabilitation (eds A. C. Kooijman, P. L. Looijersijn, J. A. Welling and G. J. van der Wildt), 105 Press Amsterdam, Netherlands, pp. 208–216.
Lindqvist, Ari. (1989). Noninvasive methods to study autonomic nervous control of circulation. Acta Physiologica Scandinavica. Supplementum 588 (1989): 1-107.
Linhart F, Scartezzini J-L. (2011). Evening office lighting–visual comfort vs. energy efficiency vs. performance? Journal of Building and Environment; 46: 981–989.
Lord, S. R. (2006). Visual risk factors for falls in older people. Age and Ageing, 35(S2), ii42–ii45.
Lowry R. (2008). Concepts and Applications of Inferential Statistics. Online book 2008. Retrieved 19 February 2013, from http://faculty.vassar.edu/lowry/webtext.html
Malik, M. (1996). Heart rate variability: standards of measurement, physiological interpretation, and clinical use. Circulation 93, 1043–1065.
Mizuhara, Wang, Kobayashi, & Yamaguchi (2004). A long-range cortical network emerging with theta oscillation in a mental task. Neuroreport, 15(8), 1233.
Niedermeyer and Lopes da Silva (2012). Electroencephalography: Basic Principles, Clinical Applications, and Related Fields, 6th edition. Philadelphia, PA: Lippincott Williams & Wilkins.
Okajima K, Iwata M, (1998). Simulation of light efficiency for aged people and data-analysis of an optimal illuminance with aging models of the human lens, Journal of Illuminating Engineering Institute of Japan, 82, 8A, pp.564-572.
O‘Keefe and Burgess (1999). Theta activity, virtual navigation and the human hippocampus. Trends in Cognitive Sciences, 3(11), 403-406.
Pfurtscheller G. and Aranibar A. (1977). Event-related cortical desynchronization detected by power measurements of scalp EEG. Electroencephalogr Clin Neurophysiol ;42(6):817-26.
Pirkl, J. J. (1994). Transgenerational Design: Products for an Aging Population. New York, NY: Van Nostrand Reinhold.
Reeves B., E. Thorson. (1985). Attention to Television: Intrastimulus Effects of Movement and Scene Changes on Alpha Variation Over Time. International Journal of Neuroscience, vol. 27, no. 3-4, pp. 241-255.
Sagawa K, Ujike H, and Sasaki T. (2003). Legibility of Japanese Characters and Sentences as a function of Age, Proc. of the IEA., Vol. 7: p. 496-499.
Saul, J. Philip, et al. "Assessment of autonomic regulation in chronic congestive heart failure by heart rate spectral analysis." The American journal of cardiology 61.15 (1988): 1292-1299
Scerbo, M., F. Freeman and P. Mikulka. (2000). A Biocybernetic System for Adaptive Automation. In: Engineering Psychophysiology. Issues and Applications, R. Backs, W. Boucsein (Eds.), Lawrence Erlbaum Associates, Mahwah, New Jersey, pp.241-255.
Schack, Klimesch, & Sauseng (2005). Phase synchronization be-tween theta and upper alpha oscillations in a working memory task. Inter-national Journal of Psychophysiology, 57(2), 105-114.
Scialfa, C. T., Adams, E. M., & Giovanetto, M. (1991). Reliability of the Vistech Contrast Test System in a life-span adult sample. [Research Support, Non-U.S. Gov't]. Optometry and vision science: official publication of the American Academy of Optometry, 68 (4), 270-274.
Scialfa, C. T., Garvey, P. M., Tyrrell, R. A., et al. (1992). Age differences in dynamic contrast thresholds. [Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S.]. Journal of gerontology, 47 (3), P172-175.
Sekuler, A. B., Bennett, P. J., & Mamelak, M. (2000). Effects of aging on the useful field of view. [Research Support, Non-U.S. Gov't]. Experimental aging research, 26 (2), 103-120. http://dx.doi.org/10.1080/036107300243588
Sloane, P. D. (1992). Normal aging. In R. J. Ham & P. D. Sloane (Eds.), Primary Care Geriatrics: A Case-Based Approach (2nd ed., pp. 20-39). St Louis: Mosby Year Book.
Sorensen, S. and Brunnstrom, G. (1995). Quality of light and quality of life: an intervention study among older people. Lighting Res. Technol. 27, 113–118.
Sun, F. C., Stark, L., Nguyen, A., et al. (1988). Changes in accommodation with age: static and dynamic. [Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.]. American journal of optometry and physiological optics, 65 (6), 492-498.
Szanton, Sarah L. (2014). Older adults’ favorite activities are resoundingly active: Findings from the NHATS study.
Task Force of the European Society of Cardiology and North American Society of Pacing and Electrophysiology. (1996). Heart rate variability: standards of measurement, physiological interpretation and clinical use. Circulation, 93(5):1043–1065.
Task Force of the European Society of Cardiology. (1996). Heart rate variability standards of measurement, physiological interpretation, and clinical use. Eur Heart J 17: 354-381.
Thayer J., R. Lane. (2000). A model of neurovisceral integration in emotion regulation and dysregulation. Journal of Affective Disorders, vol. 61, no. 3, pp. 201-216.
Tsubota K., K. Nakamori. (1993). Dry Eyes and Video Display Terminals. New England Journal of Medicine, vol. 328, no. 8, pp. 584-584.
Vos, J. J. (1995). Age dependence of glare effects and their significance in terms of visual ergonomics. In W. Adrian (Ed.), Proceedings of the Third International Symposium, Lighting for Aging Vision and Health (pp. 11-25). New York: Lighting Research Institute.
Warren, W. H., Jr., Blackwell, A. W., & Morris, M. W. (1989). Age differences in perceiving the direction of self-motion from optical flow. [Research Support, U.S. Gov't, P.H.S.]. Journal of gerontology, 44 (5), P147-153.
Waterhouse JM, Minors DS, Waterhouse ME, Reilly T, Atkinson G. (2002). Keeping in time with your body clock. Oxford: Oxford University Press.
Weale, R. A. (1961). Retinal illumination and age. Transactions of the illuminating engineering society, 26, 95-110.
Webb AR. (2006). Considerations for lighting in the built environment: non-visual effects of light. Energy and Buildings, 38(7):721–7.
Wijk, H., Berg, S., Sivik, L., & Steen, B. (1999). Color discrimination, color naming and color preferences in 80-year olds. Aging (Milano), 11 (3), 176-185.
World Population Ageing 2015. (2015). 擷取自 Department of Economic and Social Affairs Population Division: http://www.un.org/en/development/desa/population/publications/pdf/ageing/WPA2015_Report.pdf
Zhang, L., Ren, F., Zhang, Q., Chen, Y., Wang, B., Jiang, J. (2008). The TEAD/TEF family of transcription factor scalloped mediates Hippo signaling in organ size control. Dev. Cell 14(3): 377—387.