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Article: A study of the discriminability of shape symbols by the foot

TitleA study of the discriminability of shape symbols by the foot
Authors
KeywordsSymbol Identification
Blindness
Cutaneous Sense
Feet
Kinesthesis
Issue Date2001
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00140139.asp
Citation
Ergonomics, 2001, v. 44 n. 3, p. 328-338 How to Cite?
AbstractAn experiment to test the discriminability of shape symbols using the shod foot was performed with 38 blind people (aged 23–72 years). Ten shape symbols which were 5 mm thick and fitted into a 30.5cm2 tile were presented to subjects to identify by using only their feet. Each subject had 20 trials in which to discriminate the symbols. In each trial, a symbol was selected randomly and presented to the subject in randomized orientation. The subject was instructed to step on the symbol and to identify it using their own method. Time to discriminate a symbol and the accuracy of identification were recorded. A very high accuracy (93% on average) was obtained, which is comparable to the accuracy of tactile symbol discrimination using the hands. Average time to discriminate a symbol was 16 s with a standard deviation of 12.15 s, which indicated the high variability of the results. Owing to the high accuracy of identification, tactile foot-discriminable symbols have great potential as landmarks for blind people and if applied to a tactile guide path they could provide information for orientation and navigation.
Persistent Identifierhttp://hdl.handle.net/10722/224790
ISSN
2023 Impact Factor: 2.0
2023 SCImago Journal Rankings: 0.691
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCourtney, AJ-
dc.contributor.authorChow, HM-
dc.date.accessioned2016-04-15T01:42:13Z-
dc.date.available2016-04-15T01:42:13Z-
dc.date.issued2001-
dc.identifier.citationErgonomics, 2001, v. 44 n. 3, p. 328-338-
dc.identifier.issn0014-0139-
dc.identifier.urihttp://hdl.handle.net/10722/224790-
dc.description.abstractAn experiment to test the discriminability of shape symbols using the shod foot was performed with 38 blind people (aged 23–72 years). Ten shape symbols which were 5 mm thick and fitted into a 30.5cm2 tile were presented to subjects to identify by using only their feet. Each subject had 20 trials in which to discriminate the symbols. In each trial, a symbol was selected randomly and presented to the subject in randomized orientation. The subject was instructed to step on the symbol and to identify it using their own method. Time to discriminate a symbol and the accuracy of identification were recorded. A very high accuracy (93% on average) was obtained, which is comparable to the accuracy of tactile symbol discrimination using the hands. Average time to discriminate a symbol was 16 s with a standard deviation of 12.15 s, which indicated the high variability of the results. Owing to the high accuracy of identification, tactile foot-discriminable symbols have great potential as landmarks for blind people and if applied to a tactile guide path they could provide information for orientation and navigation.-
dc.languageeng-
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00140139.asp-
dc.relation.ispartofErgonomics-
dc.rightsPREPRINT This is a preprint of an article whose final and definitive form has been published in the [JOURNAL TITLE] [year of publication] [copyright Taylor & Francis]; [JOURNAL TITLE] is available online at: http://www.informaworld.com/smpp/ with the open URL of your article POSTPRINT This is an Accepted Manuscript of an article published by Taylor & Francis in [JOURNAL TITLE] on [date of publication], available online: http://wwww.tandfonline.com/[Article DOI] -
dc.subjectSymbol Identification-
dc.subjectBlindness-
dc.subjectCutaneous Sense-
dc.subjectFeet-
dc.subjectKinesthesis-
dc.titleA study of the discriminability of shape symbols by the foot-
dc.typeArticle-
dc.identifier.emailCourtney, AJ: acour@hkucc.hku.hk-
dc.identifier.doi10.1080/00140130118501-
dc.identifier.scopuseid_2-s2.0-0035138218-
dc.identifier.hkuros63103-
dc.identifier.volume44-
dc.identifier.issue3-
dc.identifier.spage328-
dc.identifier.epage338-
dc.identifier.isiWOS:000166737300007-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0014-0139-

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