Wayfinding with words: spatial learning and navigation using dynamically updated verbal descriptions

Giudice, Nicholas A.; Bakdash, Jonathan Z.; Legge, Gordon E.

doi:10.1007/s00426-006-0089-8

Cited by 61 publications

(51 citation statements)

References 28 publications

(29 reference statements)

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“…They did not, however, present data on the gradual generation of a cognitive map. Also the results of the VIPs are in line with the findings of Giudice, Bakdash, and Legge (2007) in that they are able to form a cognitive map from a verbal description and that they are able to solve wayfinding issues using this map.…”

Section: Discussionsupporting

confidence: 74%

“…However, the ability to construct a cognitive map from verbal descriptions was recently demonstrated by Giudice, Bakdash, and Legge (2007). They trained blindfolded normally sighted participants with verbal descriptions of a ground plan of a corridor network during exploration, where the descriptions were adjusted to the participant's compass orientation during exploration.…”

mentioning

confidence: 99%

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Using route and survey information to generate cognitive maps: differences between normally sighted and visually impaired individuals

Steyvers

Kooijman

2008

Applied Cognitive Psychology

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Visually impaired people (VIP) have to rely on different information to generate a cognitive map of their environment than normally sighted people. This study explored the extent to which a cognitive map could be generated by auditory information of route-type and survey-type descriptions of a fictitious environment. A total of 27 visually impaired and 28 normally sighted participants listened to either a survey-type or a route-type description of a fictitious zoo. They then answered both route-type and survey-type questions. This listening/question-and-answer sequence was repeated twice (total n ¼ 3). The visually impaired participants showed no difference in error frequency between the two description types, while the normally sighted individuals performed better after listening to the survey-type description. In addition, the learning curve of the normally sighted individuals was steeper than that of the visually impaired and they made fewer errors. The error scores indicated two subgroups in both the normally sighted and the visually impaired groups. These two groups, the 'good' learners and the 'poor' learners, showed marked differences in generating a cognitive map from auditory descriptions of an environment.

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Section: Discussionsupporting

confidence: 74%

mentioning

confidence: 99%

Using route and survey information to generate cognitive maps: differences between normally sighted and visually impaired individuals

Steyvers

Kooijman

2008

Applied Cognitive Psychology

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“…Only a few studies have addressed the use of verbal descriptions during real-time spatial learning and navigation of indoor environments. This prototype navigator system design shares similar features with many existing studies [4][5] by providing static descriptions of the environment, in addition to dynamically updated directions [6] based on both realtime position and position history.…”

Section: B Navigation System Designmentioning

confidence: 93%

An indoor navigation system to support the visually impaired

Riehle

Lichter

Giudice

2008

2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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Indoor navigation technology is needed to support seamless mobility for the visually impaired. A small portable personal navigation device that provides current position, useful contextual wayfinding information about the indoor environment and directions to a destination would greatly improve access and independence for people with low vision. This paper describes the construction of such a device which utilizes a commercial Ultra-Wideband (UWB) asset tracking system to support real-time location and navigation information. Human trials were conducted to assess the efficacy of the system by comparing target-finding performance between blindfolded subjects using the navigation system for real-time guidance, and blindfolded subjects who only received speech information about their local surrounds but no route guidance information (similar to that available from a long cane or guide dog). A normal vision control condition was also run. The time and distance traveled was measured in each trial and a point-back test was performed after goal completion to assess cognitive map development. Statistically significant differences were observed between the three conditions in time and distance traveled; with the navigation system and the visual condition yielding the best results, and the navigation system dramatically outperforming the non-guided condition.

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“…Based on previous research, we know it is critical to avoid overly verbose verbal cues, which add cognitive effort and undue memory load [2].…”

Section: Prototype Navigatormentioning

confidence: 99%

Indoor magnetic navigation for the blind

Riehle

Anderson

Lichter

et al. 2012

2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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Indoor navigation technology is needed to support seamless mobility for the visually impaired. This paper describes the construction of and evaluation of a navigation system that infers the users' location using only magnetic sensing. It is well known that the environments within steel frame structures are subject to significant magnetic distortions. Many of these distortions are persistent and have sufficient strength and spatial characteristics to allow their use as the basis for a location technology. This paper describes the development and evaluation of a prototype magnetic navigation system consisting of a wireless magnetometer placed at the users' hip streaming magnetic readings to a smartphone processing location algorithms. Human trials were conducted to assess the efficacy of the system by studying route-following performance with blind and sighted subjects using the navigation system for real-time guidance.

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Wayfinding with words: spatial learning and navigation using dynamically updated verbal descriptions

Cited by 61 publications

References 28 publications

Using route and survey information to generate cognitive maps: differences between normally sighted and visually impaired individuals

Using route and survey information to generate cognitive maps: differences between normally sighted and visually impaired individuals

An indoor navigation system to support the visually impaired

Indoor magnetic navigation for the blind

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