Publikationer
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Cognitive workload and driving behavior in persons with hearing loss
Statens väg- och transportforskningsinstitut, Trafik och trafikant,TRAF, Samspel människa, fordon, transportsystem, MFT. (Linnaeus Centre HEAD)
Statens väg- och transportforskningsinstitut, Trafik och trafikant,TRAF, Samspel människa, fordon, transportsystem, MFT. (Linnaeus Centre HEAD)ORCID-id: 0000-0003-2301-5793
Linköping University. (Linnaeus Centre HEAD)
Linköping University. (Linnaeus Centre HEAD)
2013 (Engelska)Ingår i: Transportation Research Part F: Traffic Psychology and Behaviour, ISSN 1369-8478, E-ISSN 1873-5517, Vol. 21, s. 113-121Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Purpose: To compare the effect of cognitive workload in individuals with and without hearing loss, respectively, in driving situations with varying degree of complexity.

Methods: 24 participants with moderate hearing loss (HL) and 24 with normal hearing (NH) experienced three different driving conditions: Baseline driving; Critical events with a need to act fast; and a Parked car event with the possibility to adapt the workload to the situation. Additionally, a Secondary task (observation and recalling of 4 visually displayed letters) was present during the drive, with two levels of difficulty in terms of load on the phonological loop. A tactile signal, presented by means of a vibration in the seat, was used to announce the Secondary task and thereby simultaneously evaluated in terms of effectiveness when calling for driver attention. Objective driver behavior measures (M and SD of driving speed, M and SD of lateral position, time to line crossing) were accompanied by subjective ratings during and after the test drive.

Results: HL had no effect on driving behavior at Baseline driving, where no events occurred. Both during Secondary task and at the Parked car event HL was associated with decreased mean driving speed compared to baseline driving. The effect of HL on the Secondary task performance, both at Baseline driving and at the lower Difficulty Level at Critical events, was more skipped letters and fewer correctly recalled letters. At Critical events, task difficulty affected participants with HL more. Participants were generally positive to use vibrations in the seat as a means for announcing the Secondary task.

Conclusions: Differences in terms of driving behavior and task performance related to HL appear when the driving complexity exceeds Baseline driving either in the driving task, Secondary task or a combination of both. This leads to a more cautious driving behavior with a decreased mean driving speed and less focus on the Secondary task, which could be a way of compensating for the increasing driving complexity. Seat vibration was found to be a feasible way to alert drivers with or without HL.

Ort, förlag, år, upplaga, sidor
2013. Vol. 21, s. 113-121
Nyckelord [en]
Hearing, Driving (veh), Distraction, Psycological aspects
Nationell ämneskategori
Annan medicin och hälsovetenskap
Forskningsämne
Road: Transport, society, policy and planning, Road: Personal transport
Identifikatorer
URN: urn:nbn:se:vti:diva-6648DOI: 10.1016/j.trf.2013.09.011OAI: oai:DiVA.org:vti-6648DiVA, id: diva2:687632
Tillgänglig från: 2014-01-14 Skapad: 2014-01-14 Senast uppdaterad: 2017-12-06Bibliografiskt granskad
Ingår i avhandling
1. Effects of hearing loss on traffic safety and mobility
Öppna denna publikation i ny flik eller fönster >>Effects of hearing loss on traffic safety and mobility
2014 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Alternativ titel[sv]
Effekter av hörselnedsättning på trafiksäkerhet och mobilitet
Abstract [en]

The aim of this PhD thesis was to investigate traffic safety and mobility for individuals with hearing loss (HL). Three studies were conducted: 1. a questionnaire survey aimed to evaluate differences in choice of transportation that might be related to HL, 2. a driving simulator study that looked into compensatory strategies and evaluated the efficiency of a tactile signal to alert the driver, and 3. a field study to evaluate these effects in real traffic and to evaluate a navigation system with a supportive tactile signal. The effects of HL discovered in this thesis add to the knowledge and understanding of the influence of HL on traffic safety and mobility. Differences found consistently point to a generally more cautious behavior. Compensatory and coping strategies associated with HL are bound to driving complexity and appear when complexity increases. These strategies include driving at lower speeds, using a more comprehensive visual search behavior and being less engaged in distracting activities. Evaluation of a tactile signal showed that by adding a tactile modality, some driver assistance systems can also be made accessible to drivers with HL. At the same time, the systems might be more effective for all users, since the driver can be more focused on the road. Based on the results in this thesis, drivers with HL cannot be considered an increased traffic safety risk, and there should be no need for adjustments of the requirements of hearing for a license to drive a car.

Abstract [sv]

Syftet med den här doktorsavhandlingen var att undersöka trafiksäkerhet och mobilitet för individer med hörselnedsättning (HN). Tre studier har genomförts: 1. en enkätstudie för att undersöka skillnader i transportvanor relaterade till HN, 2. en körsimulatorstudie for att titta på kompensatoriska strategier och utvärdera effektiviteten i en taktil signal för att påkalla förarens uppmärksamhet och 3. en fältstudie för att undersöka effekterna i riktig trafik samt utvärdera ett navigationssystem med en taktil signal som stöd för navigering. Effekterna av HN som kom fram i denna avhandling bidrar till kunskapen och förståelsen för hur HN påverkar trafiksäkerhet och mobilitet. De funna skillnaderna pekar konsistent mot ett generelltmera försiktigt beteende. Kompensatoriska - och copingstrategier förknippade med HN beror på körkomplexitet och observeras när komplexiteten ökar. Dessa strategier innebär körning med lägre hastighet, mera heltäckande visuell avsökning och mindre engagemang i distraherande uppgifter. Utvärdering av en taktil signal visade att genom att lägga till en taktil modalitet kan vissa förarstödsystem bli tillgängliga även för förare med HN. Samtidigt kan systemen bli mera effektiva för alla användare eftersom föraren då kan fokusera mera på vägen. Baserat på resultaten i den här avhandlingen kan inte förare med HN betraktas som någon förhöjd risk och det bör därmed inte finnas något behov av att justera hörselkraven när det gäller körkortsinnehav.

Ort, förlag, år, upplaga, sidor
Linköping: Linköping University Electronic Press, 2014. s. 81
Serie
Linköping Studies in Arts and Science, ISSN 0282-9800 ; 636Studies from the Swedish Institute for Disability Research, ISSN 1650-1128 ; 69
Nyckelord
Hearing, Driver, Driving (veh), Behaviour, Cognition, Mental load, Eye movement, Tactile, Warning, Signal, Driver assistance system, Navigation (route), Simulator (driving), Test, Safety
Nationell ämneskategori
Tvärvetenskapliga studier inom samhällsvetenskap Övrig annan medicin och hälsovetenskap
Forskningsämne
80 Road: Traffic safety and accidents, 841 Road: Road user behaviour
Identifikatorer
urn:nbn:se:vti:diva-7842 (URN)10.3384/diss.diva-111933 (DOI)978-91-7519-178-2 (ISBN)
Disputation
2014-12-05, I:101, Hus I, Campus Valla, 13:00 (Svenska)
Opponent
Handledare
Tillgänglig från: 2015-05-05 Skapad: 2015-05-05 Senast uppdaterad: 2018-01-11Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltext

Personposter BETA

Thorslund, BirgittaPeters, Björn

Sök vidare i DiVA

Av författaren/redaktören
Thorslund, BirgittaPeters, Björn
Av organisationen
Samspel människa, fordon, transportsystem, MFT
I samma tidskrift
Transportation Research Part F: Traffic Psychology and Behaviour
Annan medicin och hälsovetenskap

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 44 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf