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Investigating visual attention during scene perception of safe and unsafe occupational performance / Diane E. MacKenzie in Canadian Journal of Occupational Therapy, 82(4) (Octobre 2015)
[article]
Titre : Investigating visual attention during scene perception of safe and unsafe occupational performance Titre original : L’analyse de l’attention visuelle durant une scène permettant de percevoir un rendement occupationnel sécuritaire ou non sécuritaire Type de document : texte imprimé Auteurs : Diane E. MacKenzie, Auteur ; David A. Westwood, Auteur Année de publication : 2015 Article en page(s) : p. 224-234 Langues : Anglais (eng) Mots-clés : Activities of Daily Living Attention Eye movement Occupational therapy Visual perception Résumé : Background. Occupational therapists routinely use observation for evaluation, intervention planning, and prediction of a client’s occupational performance and/or safety within the environment. Perception of safety contributes to the decision-making process for discharge or placement recommendations.
Purpose. The purpose of this study was to determine if differences exist in safety ratings and eye movements between occupational therapists and nontrained matched individuals while viewing domain-specific versus non-domain-specific images.
Method. Ten licensed occupational therapists and 10 age-, gender-, and education level–matched participants completed this eye-tracking study.
Findings. For all image exposure durations, occupational therapists had more polarized safety ratings for stroke-related image content but little evidence of differences in eye movements between groups. Eye movement group differences did not emerge in the regions of interest identified by an independent expert panel.
Implications. The results point to a complex relationship between decision making and observational behaviour in occupational assessment and highlight the need to look beyond image features.Permalink : ./index.php?lvl=notice_display&id=40887
in Canadian Journal of Occupational Therapy > 82(4) (Octobre 2015) . - p. 224-234[article] Investigating visual attention during scene perception of safe and unsafe occupational performance = L’analyse de l’attention visuelle durant une scène permettant de percevoir un rendement occupationnel sécuritaire ou non sécuritaire [texte imprimé] / Diane E. MacKenzie, Auteur ; David A. Westwood, Auteur . - 2015 . - p. 224-234.
Langues : Anglais (eng)
in Canadian Journal of Occupational Therapy > 82(4) (Octobre 2015) . - p. 224-234
Mots-clés : Activities of Daily Living Attention Eye movement Occupational therapy Visual perception Résumé : Background. Occupational therapists routinely use observation for evaluation, intervention planning, and prediction of a client’s occupational performance and/or safety within the environment. Perception of safety contributes to the decision-making process for discharge or placement recommendations.
Purpose. The purpose of this study was to determine if differences exist in safety ratings and eye movements between occupational therapists and nontrained matched individuals while viewing domain-specific versus non-domain-specific images.
Method. Ten licensed occupational therapists and 10 age-, gender-, and education level–matched participants completed this eye-tracking study.
Findings. For all image exposure durations, occupational therapists had more polarized safety ratings for stroke-related image content but little evidence of differences in eye movements between groups. Eye movement group differences did not emerge in the regions of interest identified by an independent expert panel.
Implications. The results point to a complex relationship between decision making and observational behaviour in occupational assessment and highlight the need to look beyond image features.Permalink : ./index.php?lvl=notice_display&id=40887 Exemplaires (1)
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Exclu du prêtThe association between measures of visual perception, visual-motor integration, and in-hand manipulation skills of school-age children and their manuscript handwriting speed / Ted Brown in The British Journal of Occupational Therapy, Vol.79 N°3 (March 2016)
[article]
Titre : The association between measures of visual perception, visual-motor integration, and in-hand manipulation skills of school-age children and their manuscript handwriting speed Type de document : texte imprimé Auteurs : Ted Brown ; Julia Link Année de publication : 2016 Article en page(s) : p.163-171 Langues : Anglais (eng) Mots-clés : Manuscript handwriting printing speed visual perception visual-motor integration in-hand manipulation occupational therapy children Résumé : Introduction The aim of this study was to investigate whether measures of visual perception, visual-motor integration, and in-hand manipulation skills of school-age children were associated with their manuscript handwriting speed.
Method A convenience sample of 39 typically developing Australian students aged six to eight years completed the Beery–Buktenica Developmental Test of Visual-Motor Integration – 6th edition (DTVMI), the Developmental Test of Visual Perception – 3rd edition (DTVP-3), the Test of In-Hand Manipulation – Revised (TIHM-R), and the Handwriting Speed Test (HST). Spearman rho correlations and multi-linear regression analyses were completed to analyze the data.
Results Significant correlations were found between visual perception, visual-motor integration, and in-hand manipulation skills and total letters written and total letters per minute. Regression analyses indicated that, when modeled together, the DTVP-3 eye–hand coordination and visual closure subscales and the TIHM-R were significant predictors of total letters written accounting for 25.5% of the variance. The DTVP-3 copying and visual closure subscales and the TIHM-R were predictive of total letters written per minute, with the TIHM-R making a significant unique contribution of 9.1% to the total variance of 26%.
Conclusion Visual perception abilities, specifically visual closure skills, plus in-hand manipulation skills appear to be significant predictors of children’s printing speed and need to be assessed and potentially targeted for skill remediation when working with school-age children who present with manuscript handwriting difficulties.Permalink : ./index.php?lvl=notice_display&id=42949
in The British Journal of Occupational Therapy > Vol.79 N°3 (March 2016) . - p.163-171[article] The association between measures of visual perception, visual-motor integration, and in-hand manipulation skills of school-age children and their manuscript handwriting speed [texte imprimé] / Ted Brown ; Julia Link . - 2016 . - p.163-171.
Langues : Anglais (eng)
in The British Journal of Occupational Therapy > Vol.79 N°3 (March 2016) . - p.163-171
Mots-clés : Manuscript handwriting printing speed visual perception visual-motor integration in-hand manipulation occupational therapy children Résumé : Introduction The aim of this study was to investigate whether measures of visual perception, visual-motor integration, and in-hand manipulation skills of school-age children were associated with their manuscript handwriting speed.
Method A convenience sample of 39 typically developing Australian students aged six to eight years completed the Beery–Buktenica Developmental Test of Visual-Motor Integration – 6th edition (DTVMI), the Developmental Test of Visual Perception – 3rd edition (DTVP-3), the Test of In-Hand Manipulation – Revised (TIHM-R), and the Handwriting Speed Test (HST). Spearman rho correlations and multi-linear regression analyses were completed to analyze the data.
Results Significant correlations were found between visual perception, visual-motor integration, and in-hand manipulation skills and total letters written and total letters per minute. Regression analyses indicated that, when modeled together, the DTVP-3 eye–hand coordination and visual closure subscales and the TIHM-R were significant predictors of total letters written accounting for 25.5% of the variance. The DTVP-3 copying and visual closure subscales and the TIHM-R were predictive of total letters written per minute, with the TIHM-R making a significant unique contribution of 9.1% to the total variance of 26%.
Conclusion Visual perception abilities, specifically visual closure skills, plus in-hand manipulation skills appear to be significant predictors of children’s printing speed and need to be assessed and potentially targeted for skill remediation when working with school-age children who present with manuscript handwriting difficulties.Permalink : ./index.php?lvl=notice_display&id=42949 Exemplaires (1)
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Exclu du prêtParticipation and quality of life for persons with oculomotor impairments after acquired brain injury / Sharon Gowdy Wagener in The British Journal of Occupational Therapy, Vol. 82 Issue 8 (Août 2019)
[article]
Titre : Participation and quality of life for persons with oculomotor impairments after acquired brain injury Type de document : texte imprimé Auteurs : Sharon Gowdy Wagener ; Robert Kreiger Année de publication : 2019 Article en page(s) : p. 475-484 Note générale : doi.org/10.1177/0308022619827262 Langues : Anglais (eng) Mots-clés : Participation quality of life brain injuries visual perception Résumé : Introduction
Acquired brain injury is a major diagnostic group treated by occupational therapists. This study explored participation in everyday activities and social roles, and quality of life for persons with acquired brain injury-related oculomotor impairments.
Method
Using a cross-sectional descriptive approach, 40 rehabilitation outpatients with acquired brain injury-related oculomotor impairments underwent semi-structured interviews using self-report measures of visual symptoms (ABI Vision Questionnaire), quality of life (PROMIS Global Health Scale), and participation (Assessment of Life Habits). Descriptive, correlational, and simple regression statistics were used for analysis.
Results
Visual symptoms were significant for 96.7% of the participants. Physical and mental quality of life scores were one standard deviation below population norms. Participation areas identified as very difficult or harder for 82% or more included recreation, education, work, home maintenance, and volunteering. Approximately 68% or more identified communicating in a group, reading, computer use, and driving as very difficult. Correlations between scores of visual symptoms and participation, and visual symptoms and physical quality of life, showed significant moderate negative relationships. Regression analyses indicated visual symptoms explained about half the measured difficulties in participation.
Conclusion
Awareness of the activities and roles that are likely to be disrupted by acquired brain injury-related oculomotor impairments enables occupational therapists to direct therapy where it matters most. Findings highlight the identified symptoms and participation areas.Permalink : ./index.php?lvl=notice_display&id=84617
in The British Journal of Occupational Therapy > Vol. 82 Issue 8 (Août 2019) . - p. 475-484[article] Participation and quality of life for persons with oculomotor impairments after acquired brain injury [texte imprimé] / Sharon Gowdy Wagener ; Robert Kreiger . - 2019 . - p. 475-484.
doi.org/10.1177/0308022619827262
Langues : Anglais (eng)
in The British Journal of Occupational Therapy > Vol. 82 Issue 8 (Août 2019) . - p. 475-484
Mots-clés : Participation quality of life brain injuries visual perception Résumé : Introduction
Acquired brain injury is a major diagnostic group treated by occupational therapists. This study explored participation in everyday activities and social roles, and quality of life for persons with acquired brain injury-related oculomotor impairments.
Method
Using a cross-sectional descriptive approach, 40 rehabilitation outpatients with acquired brain injury-related oculomotor impairments underwent semi-structured interviews using self-report measures of visual symptoms (ABI Vision Questionnaire), quality of life (PROMIS Global Health Scale), and participation (Assessment of Life Habits). Descriptive, correlational, and simple regression statistics were used for analysis.
Results
Visual symptoms were significant for 96.7% of the participants. Physical and mental quality of life scores were one standard deviation below population norms. Participation areas identified as very difficult or harder for 82% or more included recreation, education, work, home maintenance, and volunteering. Approximately 68% or more identified communicating in a group, reading, computer use, and driving as very difficult. Correlations between scores of visual symptoms and participation, and visual symptoms and physical quality of life, showed significant moderate negative relationships. Regression analyses indicated visual symptoms explained about half the measured difficulties in participation.
Conclusion
Awareness of the activities and roles that are likely to be disrupted by acquired brain injury-related oculomotor impairments enables occupational therapists to direct therapy where it matters most. Findings highlight the identified symptoms and participation areas.Permalink : ./index.php?lvl=notice_display&id=84617 Exemplaires (1)
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Exclu du prêtEffects of distance and eye-height on time-to-contact estimates / Heiko Hecht in Science & motricité, 89 (Octobre 2015)
[article]
Titre : Effects of distance and eye-height on time-to-contact estimates Titre original : Les effets de la distance et du point-de-vue sur le jugement du temps de pré-contact Type de document : texte imprimé Auteurs : Heiko Hecht, Auteur ; Klaus Landwehr, Auteur ; Bernhard Both, Auteur Année de publication : 2015 Article en page(s) : p.17-27 Langues : Anglais (eng) Mots-clés : Visual perception distance eye-height time-to-collision perspective Résumé : When making time-to-contact estimations, observers often factor misleading information into their judgments, maybe sacrificing accuracy for the sake of decision speed. We investigated to what extent judgments are vulnerable to misleading information caused by changes in observer perspective. Five experiments tested effects of distance and eye-height on predictions of object-object collisions seen against the background of a regular, an irregular, or a null ground-surface texture. By selectively keeping either viewing time, time-to-collision, or velocity constant, we unconfounded these variables. A total of 62 observers responded relatively earlier at greater distances, lower eye-heights, and longer times-to-collision. Ground-surface texture was practically ineffective. Results are discussed with regard to the controversies regarding the effects of irrelevant cues on the ability to extract the information relevant for making reliable estimates. Permalink : ./index.php?lvl=notice_display&id=40823
in Science & motricité > 89 (Octobre 2015) . - p.17-27[article] Effects of distance and eye-height on time-to-contact estimates = Les effets de la distance et du point-de-vue sur le jugement du temps de pré-contact [texte imprimé] / Heiko Hecht, Auteur ; Klaus Landwehr, Auteur ; Bernhard Both, Auteur . - 2015 . - p.17-27.
Langues : Anglais (eng)
in Science & motricité > 89 (Octobre 2015) . - p.17-27
Mots-clés : Visual perception distance eye-height time-to-collision perspective Résumé : When making time-to-contact estimations, observers often factor misleading information into their judgments, maybe sacrificing accuracy for the sake of decision speed. We investigated to what extent judgments are vulnerable to misleading information caused by changes in observer perspective. Five experiments tested effects of distance and eye-height on predictions of object-object collisions seen against the background of a regular, an irregular, or a null ground-surface texture. By selectively keeping either viewing time, time-to-collision, or velocity constant, we unconfounded these variables. A total of 62 observers responded relatively earlier at greater distances, lower eye-heights, and longer times-to-collision. Ground-surface texture was practically ineffective. Results are discussed with regard to the controversies regarding the effects of irrelevant cues on the ability to extract the information relevant for making reliable estimates. Permalink : ./index.php?lvl=notice_display&id=40823 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