在日常生活中，「行」對於明眼人來說是輕而易舉的一件事，但是對於視覺障礙者來說，「行」是最大的挑戰之一。視覺障礙者在獨立生活當中，空間導航困難為他們的主要障礙。視覺障礙者常會在室內和室外環境中進行探索。為了到達目的地，他們必須通過這些環境或先前的路線規劃來執行一系列決策。
視覺障礙者可透過剩餘的感官探索環境並建立心像地圖。相關的空間認知理論證明了，組合不同的感官輸入，所產生的空間認知，也會高度相似於視覺所建構出的空間記憶結構。透過語音導航描述環境資訊，將可直接描述非視覺感官者所建立的地標，使視覺障礙者無須經由實際探索即可快速建立正確的心像地圖。
本研究透過兩階段實驗(建立A/ B語音導航版本、進行A/ B語音導航版本實測)，逐步釐清適合視覺障礙者的語音導航。(1) 建立A/ B語音導航版本，此實驗招募4位視覺障礙者，4位非視覺障礙者，共8位受測者。透過實際探索陌生的室內環境，並建立出各組的語音導航版本。(2) 進行A/ B語音導航版本實測，此實驗招募31位視覺障礙受測者，32位非視覺障礙受測者(蒙眼明眼人)，合計共63位受測者。分別針對視覺障礙者所建立的語音導航(A版)與非視覺障礙者所建立的語音導航(B版)進行導航完成時間、成功率、方向感、安全感、瞭解自身位置、理解度、滿意度，各項指標。研究結果顯示，視覺障礙(VI)與非視覺障(NVI)，使用視覺障礙者所建立的語音導航(A版)在導航成功率、方向感、安全感、瞭解自身位置、滿意度皆明顯優於使用非視覺障礙者所建立的語音導航(B版)。本研究證實A版語音導航將可有效提升視覺障礙者探索陌生環境之成效。

During daily life, “moving around” is easy for people who are not vision impairment, but it is the most challenge for visually impairment people. As visually impaired people living independent, the main barrier for them is the difficult of spatial navigation. Visually impaired people usually explore in the indoor and outdoor environment. In order to move the goal, they have to go through these environments or make the route plans before to make a series of decision.
Visually impaired people can use other consciousness to explore environment and build the mental map. Relating spatial cognition theories improved that combining different conscious inputs to make the spatial cognition would also very similar to the spatial memory constructing by visual.
Through voice navigation to describe the environment information, it will describe the landmark was constructed by the people not use visual consciousness directly, and visually impaired people not need to explore by themselves can make the correct mental map quickly.
The study was making two stages of experiment (making A/ B voice navigation versions, and then A/ B voice navigation versions on test) to clarify the suitable voice navigation for visually impaired people step by step. (1) Making A/ B voice navigation versions, the experiment recruiting four visually impaired people (Group VI) and four not visually impaired people (Group NVI), totally were eight participants. Through exploring the foreign indoor environment, and making each group’s voice navigation version. (2) A/ B voice navigation versions on test, the experiment recruiting 31 visually impaired people and 32 not visually impaired people (sighted people wore a blindfold), totally were 63 participants. On test the voice navigation (version A) for visually impaired people and the voice navigation (version B) for not visually impaired people of the item of navigation complete times, successful percent, sense of direction, sense of safety, knowing their location, grade of understanding, grade of satisfying separately.
The research result represented that visually impaired people and not visually impaired people used the voice navigation (version A) which was created by visually impaired people was greater than voice navigation (version B) which was created by not visually impaired people in successful percent of navigation, the sense of direction, the sense of safety, knowing their location and grade of satisfying obviously. The study improved that voice navigation (version A) will enhance the effect of visually impaired people to explore foreign environment.

Allen, G. (1999). Cognitive abilities in the service of wayfinding: a functional aroach. The professional geographer, 51(4), 555-561.
Avraamides, M., Loomis, J., Klatzky, R. & Golledge, R. (2004). Functional equivalence of spatial representations derived from vision and language: Evidence from allocentric judgments. Journal of experimental psychology: learning, memory, and cognition, 30(4), 801-814.
Brambring, M. (1982). Language and geographic orientation for the blind. Place and action: studies in deixis and related topics, 161–182.
Caddeo, P., Fornara, F., Nenci, A. M., & Piroddi, A. (2006). Wayfinding tasks in vis-ually impaired people: the role of tactile maps. Cognitive Processing, 7(1), 168-169.
Chen, X. M., Liu, C. L., Qiao, F. Q. & Qi, K. M. (2016). The process of construction of spatial representation in the unfamiliar environment in the blind: The role of strategies and its effect. Acta Psychologica Sinica, 2016, Vol. 48, No.6, 637-647.
Chi, C. A. (1990). Handbook of Orientation and Mobility Training for the Visually Impaired People. Taipei: Department of Social Welfare of Taipei City Government.
Chi, C. A. (2000). Materials of Orientation and Mobility Teaching. Taipei: Department of Special Education of National Taiwan Normal University.
Department of Statistics, Ministry of Health and Welfare of Taiwan. (2018). Disabled Welfare Statistical Data of 2018. Retrieved from: https://dep.mohw.gov.tw/DOS/lp-2976-113.html
Emerson, A. (2006). Orientation and mobility content for children and youths: A delphi aroach pilot study. Journal of visual impairment & blindness, v100 v6 p331-342.
Espinosa, M. (1994). Un estudio transaccional sobre la ciudad de madrid and dos de sus barrios (A transactional study about madrid city and two of its suburbs). Unpublished PH.D. thesis. Universidad autonoma de madrid.
Espinosa, M., Ungar, S., Ochaı́ta, E., Blades, M. & Spencer, C. (1998). Comparing methods for introducing blind and visually impaired people to unfamiliar urban environments. Journal of environmental psychology, 18(3), 277-287.
Foo, P., Warren, W., Duchon, A. & Tarr, M. (2005). Do humans integrate routes into a cognitive map? Map- versus landmark-based navigation of novel shortcuts. Journal of experimental psychology: learning, memory, and cognition, 31(2), 195-215.
Foulke, E. (1971). The perceptual basis for mobility. Research bulletin: American foundation for the blind. 23, 1–8.
Fryer, L., Freeman, J. & Pring, L. (2013). What verbal orientation information do blind and partially sighted people need to find their way around? A study of everyday navigation strategies in people with impaired vision. British journal of visual impairment, 31(2), 123-138.
Giudice, N., Klatzky, R., Bennett, C. & Loomis, J. (2012). Perception of 3-d location based on vision, touch, and extended touch. Experimental brain research, 224(1), 141-153.
Golledge, R. (1992). Place recognition and wayfinding: Making sense of space. Geoforum, 23(2), 199-214.
Golledge, R. (1993). Geography and the disabled: A survey with special reference to vision impaired and blind populations. Transactions of the institute of british geographers, 18(1), p.63.
Golledge, R., Marston, J., Loomis, J. & Klatzky, R. (2004). Stated preferences for components of a personal guidance system for non-visual navigation. Journal of visual impairment & blindness, 98, 135–147.
Huang, Y. R. (2008). A Research of the Influence on the Effectiveness of Interior Guiding Facility by the Demographic Variable of People with Visual Impairment. Journal of Architecture. 65, 83-100.
Jacobson, W. (1993). The art and science of teaching orientation and mobility to persons with visual impairments. New York: AFB Press.
Jacobson, W. & Bradley, R. (1997). 〝Learning theory and teaching methodologies, 〞in Foundations of orientation and mobility, B.B. Blasch, W.R. Wiener & R.L. Welsh, Edited. New York: American Foundation for the Blind.
Klatzky, R., Lia, Y., Loomis, J. & Golledge, R. (2002). Encoding, learning, and spatial updating of multiple object locations specified by 3-d sound, spatial language, and vision. Experimental brain research, 149(1), 48-61.
Koji, Y., Nikola, B. & Khai, T. (2012). Spacesense: representing geographical information to visually impaired people using spatial tactile feedback. CHI '12 proceedings of the sigchi conference on human factors in computing systems, pages 415-424.
Lee, Y. C. (2000). A Study of Nonvisual Sensory Spatial Experience of one Visually Impaired Person Walking on Routes to Campus. Master Essay. New Taipei City: Department of Architecture of Tamkang University.
Liu, H. H. (1981). Visually Impaired Children Orientation and Mobility Training. Tainan: Taiwan visually impaired children inclusive education project of teacher education class.
Loomis, J., Klatzky, R. & Giudice, N. (2013). Representing 3D space in working memory: Spatial images from vision, hearing, touch, and language. New York: Springer, 131-155.
Loomis, J., Lia, Y., Klatzky, R. & Golledge, R. (2002). Spatial updating of locations specified by 3-d sound and spatial language. Journal of experimental psychology: learning, memory, and cognition, 28(2), 335-345.
Montello, D. (2018). Handbook of behavioral and cognitive geography. 1st ed. Northampton, ma: Edward Elgar pub.
Neuville, E., Izaute, M. & Trassoudaine, L. (2009). A wayfinding pilot study: The use of the intelligent public vehicle by people with visual impairment. British journal of visual impairment, 27(1), 65-74.
Ochaíta, E. & Huertas, J. (1993). Spatial representation by persons who are blind: A study of the effects of learning and development. Journal of visual impairment & blindness, [online] 87(2), 37-41.
Ochaíta, E., Huertas, J. & Espinosa, A. (1991). Representación espacial en los niños ciegos: Una investigación sobre las principales variables que la determinan y los procedimientos de objetivación más adecuados. Infancia y aprendizaje, 14(54), 53-70.
Passini, R. & Proulx, G. (1988). Wayfinding without vision. Environment and behavior, 20(2), 227-252.
Passini and Arthur, P. (1992). Way-finding: People Signs and Architecture, New York: McGraw-Hill Book.
Rieser, J., Guth, D. & Hill, E. (1986). Sensitivity to perspective structure while walking without vision. Perception, 15(2), 173-188.
Rieser, J., Lockman, J. & Pick, H. (1980). The role of visual experience in knowledge of spatial layout. Perception & psychophysics, 28(3), 185-190.
Royal National Institute of Blind People. (2003). Talking images research report. Retrieved from RNIB website.
Sauerburger, D. and Bourquin, E. (2010). Teaching the Use of a Long Cane Step by Step: Suggestions for Progressive, Methodical Instruction. Journal of visual impairment & blindness 104.4.
Schinazi, V., Thrash, T. & Chebat, D. (2015). Spatial navigation by congenitally blind individuals. Wiley interdisciplinary reviews: Cognitive science, 7(1), 37-58.
Skill Evaluation Center of Workforce Development Agency, Ministry of Labor of Taiwan. (2018). Acceptance Number of Skill Test over the Years. Retrieved from: https://www.wdasec.gov.tw/News.aspx?n=23A105FE84353704&sms=CA0630966F34DA45
Tatham, A. (1991). The design of tactile maps: theoretical and practical considerations. In: Rybaczak M, Blakemore K (eds) proceedings of international cartographic association: Maing the nations.ICA, London, UK, 157–166.
The Eye Diseases Prevalence Research Group, EDPRG (2004). Causes and prevalence of visual impairment among adults in the united states. Archives of ophthalmology, 122(4), p.477.
Ungar, S. (2000). Cognitive maing without visual experience. In R. Kitchin, & S. Freundschuh (eds.), Cognitive maing: Past, present and future, 221–248.
Vision Loss Expert Group, VLEG (2017). Magnitude, temporal trends, and projections of the global prevalence of blindness and distance and near vision impairment: A systematic review and meta-analysis. Lancet glob health., 2017 sep; 5(9):e888–97.
Wan, M. M. (2008). Education for People with Visual Impairment. Taipei: Wu-Nan Book Inc.
Wolbers, T., Klatzky, R., Loomis, J., Wutte, M. & Giudice, N. (2011). Modality-independent coding of spatial layout in the human brain. Current biology, 21(11), 984-989.
Worsfold, J. & Chandler, E. (2010). Wayfinding project final report. London: RNIB.
Yu, S. C. (2013). The Research on the Wayfinding Experience of the Visually Impaired People Using Echo Cognitive Spatial Mapping Technique. Doctoral Essay. Taipei: Doctoral Program in Design, College of Design of National Taipei University of Technology.