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Driving with homonymous visual field loss: Does visual search performance predict hazard detection? / Matthew Smith in The British Journal of Occupational Therapy, Volume 78 numéro 2 (Fébrier 2015)
[article]
Titre : Driving with homonymous visual field loss: Does visual search performance predict hazard detection? Type de document : texte imprimé Auteurs : Matthew Smith, Auteur ; Callum D. Mole, Auteur ; Georgios K. Kountouriotis, Auteur Année de publication : 2015 Article en page(s) : p. 85-95 Langues : Anglais (eng) Mots-clés : Stroke Hemianopia Driving Visual field Visual search Hazard detection Reaction times Compensation Résumé : Introduction Stroke often causes homonymous visual field loss, which can lead to exclusion from driving. Retention of a driving licence is sometimes possible by completing an on-road assessment, but this is not practical for all. It is important to find simple tests that can inform the assessment and rehabilitation of driving-related visual-motor function.
Method We developed novel computerised assessments: visual search; simple reaction and decision reaction to appearing pedestrians; and pedestrian detection during simulated driving. We tested 12 patients with stroke (seven left, five right field loss) and 12 controls.
Results The homonymous visual field defect group was split into adequately compensated or inadequately compensated groups based on visual search performance. The inadequately compensated group had problems with stimuli in their affected field: they tended to react more slowly than controls and in the driving task they failed to detect a number of pedestrians. In contrast, the adequately compensated group were better at detecting pedestrians, though reaction times were slightly slower than controls.
Conclusion We suggest that our search task can predict, to a limited extent, whether a person with stroke compensates for visual field loss, and may potentially identify suitability for specific rehabilitation to promote return to driving.En ligne : http://bjo.sagepub.com/content/78/2.toc Permalink : ./index.php?lvl=notice_display&id=35927
in The British Journal of Occupational Therapy > Volume 78 numéro 2 (Fébrier 2015) . - p. 85-95[article] Driving with homonymous visual field loss: Does visual search performance predict hazard detection? [texte imprimé] / Matthew Smith, Auteur ; Callum D. Mole, Auteur ; Georgios K. Kountouriotis, Auteur . - 2015 . - p. 85-95.
Langues : Anglais (eng)
in The British Journal of Occupational Therapy > Volume 78 numéro 2 (Fébrier 2015) . - p. 85-95
Mots-clés : Stroke Hemianopia Driving Visual field Visual search Hazard detection Reaction times Compensation Résumé : Introduction Stroke often causes homonymous visual field loss, which can lead to exclusion from driving. Retention of a driving licence is sometimes possible by completing an on-road assessment, but this is not practical for all. It is important to find simple tests that can inform the assessment and rehabilitation of driving-related visual-motor function.
Method We developed novel computerised assessments: visual search; simple reaction and decision reaction to appearing pedestrians; and pedestrian detection during simulated driving. We tested 12 patients with stroke (seven left, five right field loss) and 12 controls.
Results The homonymous visual field defect group was split into adequately compensated or inadequately compensated groups based on visual search performance. The inadequately compensated group had problems with stimuli in their affected field: they tended to react more slowly than controls and in the driving task they failed to detect a number of pedestrians. In contrast, the adequately compensated group were better at detecting pedestrians, though reaction times were slightly slower than controls.
Conclusion We suggest that our search task can predict, to a limited extent, whether a person with stroke compensates for visual field loss, and may potentially identify suitability for specific rehabilitation to promote return to driving.En ligne : http://bjo.sagepub.com/content/78/2.toc Permalink : ./index.php?lvl=notice_display&id=35927 Exemplaires (1)
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Exclu du prêtSearch training for people with visual field loss after stroke: A cohort study / Ailie J. Turton in The British Journal of Occupational Therapy, Vol.81 Issue 5 (Mai 2018)
[article]
Titre : Search training for people with visual field loss after stroke: A cohort study Type de document : texte imprimé Auteurs : Ailie J. Turton ; Jayne Angilley ; Verity Longley ; Philip Clatworthy ; Ian D. Gilchrist Année de publication : 2018 Article en page(s) : p. 255-265 Langues : Anglais (eng) Mots-clés : Occupational therapy stroke hemianopia intervention measurement Résumé : Introduction
People with visual field loss after stroke often experience difficulties in everyday activities. The purpose of this study was to assess the acceptability of search training as used within occupational therapy and the feasibility of possible measures for use in a future trial.
Method
Nine participants took part in a goal oriented intervention that was delivered three times a week for 3 weeks. Patient reports of acceptability and outcomes using the Visual Function Questionnaire-25 were collected. Participants’ room-search behaviour before and after the intervention was recorded using a head-worn camera.
Results
Eight participants completed nine treatment visits. All participants reported improved awareness and attention to the blind side during activities following the intervention. Seven participants’ change scores on the Visual Function Questionnaire-25 exceeded six points. Patterns of head-direction behaviour and overall room-search times were variable across patients; markedly, improved performance was only evident in the most severely affected participant.
Conclusion
The intervention was acceptable. The Visual Function Questionnaire-25 is a feasible measure for assessing patient-reported outcomes. While the room search was informative about individuals’ behaviour, more sophisticated methods of gaze tracking would allow search processes to be determined in real-world activities that are relevant to patients’ goals.Permalink : ./index.php?lvl=notice_display&id=80079
in The British Journal of Occupational Therapy > Vol.81 Issue 5 (Mai 2018) . - p. 255-265[article] Search training for people with visual field loss after stroke: A cohort study [texte imprimé] / Ailie J. Turton ; Jayne Angilley ; Verity Longley ; Philip Clatworthy ; Ian D. Gilchrist . - 2018 . - p. 255-265.
Langues : Anglais (eng)
in The British Journal of Occupational Therapy > Vol.81 Issue 5 (Mai 2018) . - p. 255-265
Mots-clés : Occupational therapy stroke hemianopia intervention measurement Résumé : Introduction
People with visual field loss after stroke often experience difficulties in everyday activities. The purpose of this study was to assess the acceptability of search training as used within occupational therapy and the feasibility of possible measures for use in a future trial.
Method
Nine participants took part in a goal oriented intervention that was delivered three times a week for 3 weeks. Patient reports of acceptability and outcomes using the Visual Function Questionnaire-25 were collected. Participants’ room-search behaviour before and after the intervention was recorded using a head-worn camera.
Results
Eight participants completed nine treatment visits. All participants reported improved awareness and attention to the blind side during activities following the intervention. Seven participants’ change scores on the Visual Function Questionnaire-25 exceeded six points. Patterns of head-direction behaviour and overall room-search times were variable across patients; markedly, improved performance was only evident in the most severely affected participant.
Conclusion
The intervention was acceptable. The Visual Function Questionnaire-25 is a feasible measure for assessing patient-reported outcomes. While the room search was informative about individuals’ behaviour, more sophisticated methods of gaze tracking would allow search processes to be determined in real-world activities that are relevant to patients’ goals.Permalink : ./index.php?lvl=notice_display&id=80079 Exemplaires (1)
Cote Support Localisation Section Disponibilité Revue Revue Centre de Documentation HELHa Campus Montignies Armoires à volets Document exclu du prêt - à consulter sur place
Exclu du prêt