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. 2014 Jul:108:335-340.

Effect of Cane Technique on Obstacle Detection with the Long Cane

Dae Shik Kim  1 , Robert Wall Emerson  2
Affiliations

Effect of Cane Technique on Obstacle Detection with the Long Cane

Dae Shik Kim et al. J Vis Impair Blind. 2014 Jul.
No abstract available

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Figures

Figure 1
Figure 1
Obstacles of different sizes (2-inch, 6-inch, 10-inch, and 14-inch diameters) and heights (1-inch, 3-inch, 5-inch, and 7-inch).
Figure 2
Figure 2
Participant approaching the obstacle on the obstacle detection path along the 20-foot-long guide rail.
Figure 3
Figure 3
Obstacle detection rates by cane technique. The p value for each obstacle height indicates the result of the corresponding pair-wise comparison between the two-point touch and constant-contact techniques.
See this image and copyright information in PMC

References

    1. Blasch BB, La Grow SJ, De l’Aune W. Three aspects of coverage provided by the long cane: Object, surface, and foot-placement preview. Journal of Visual Impairment & Blindness. 1996;90:295–301.
    1. Cohen J. Statistical power analysis for the behavioral sciences. 2nd ed. Mahwah, NJ: Lawrence Erlbaum; 1988.
    1. Erdfelder E, Faul F, Buchner A. Gpower: A general power analysis program. Behavior Research Methods, Instruments, & Computers. 1996;28:1–11.
    1. Hill E, Ponder P. Orientation and mobility techniques: Guide for the practitioner. New York: American Foundation for the Blind; 1976.
    1. Jacobson WH. The art and science of teaching orientation and mobility to persons with visual impairments. 2nd ed. New York: AFB Press; 2013.

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