Effects of visual rehabilitation on a child with severe visual impairment / Li-Ting TSAI in American Journal of Occupational Therapy, Vol. 67/4 (juillet-aout 2013)

Public ISBD [article]  inAmerican Journal of Occupational Therapy > Vol. 67/4 (juillet-aout 2013) . - p. 437-447 Titre : Effects of visual rehabilitation on a child with severe visual impairment Type de document : texte imprimé Auteurs : Li-Ting TSAI ; Ling-Fu MENG ; et al. ; Wei-Chi WU Année de publication : 2013 Article en page(s) : p. 437-447 Langues : Anglais (eng) Mots-clés : Réhabilitation  Trouble vision  Enfant Résumé : We examined the effects of visual rehabilitation, including a chromatic luminance discrimination program and a fixation training program, on a 6-yr-old boy with severe visual impairment. Single-subject ABA and AB designs were used. The programs were conducted 2*/wk and included 6 to 7 sessions for the baseline phase and 10 to 11 sessions for the intervention phase. Play was integrated into the visual training programs. Goggle visual evoked potential (VEP) testing was used to evaluate neural activity in the primary visual cortex. Correct responses increased and response times were shortened after training in luminance discrimination. The total and maximum fixation time also improved, as did P100 latency and amplitude of VEPs. While walking, the boy was able to detect obstacles he had not noticed before training. The results indicate the value of visual training and the possibility of brain plasticity in a child with severe visual impairment. Permalink : ./index.php?lvl=notice_display&id=14089 [article] Effects of visual rehabilitation on a child with severe visual impairment [texte imprimé] / Li-Ting TSAI ; Ling-Fu MENG ; et al. ; Wei-Chi WU . - 2013 . - p. 437-447. Langues : Anglais (eng) in American Journal of Occupational Therapy > Vol. 67/4 (juillet-aout 2013) . - p. 437-447 Mots-clés : Réhabilitation  Trouble vision  Enfant Résumé : We examined the effects of visual rehabilitation, including a chromatic luminance discrimination program and a fixation training program, on a 6-yr-old boy with severe visual impairment. Single-subject ABA and AB designs were used. The programs were conducted 2*/wk and included 6 to 7 sessions for the baseline phase and 10 to 11 sessions for the intervention phase. Play was integrated into the visual training programs. Goggle visual evoked potential (VEP) testing was used to evaluate neural activity in the primary visual cortex. Correct responses increased and response times were shortened after training in luminance discrimination. The total and maximum fixation time also improved, as did P100 latency and amplitude of VEPs. While walking, the boy was able to detect obstacles he had not noticed before training. The results indicate the value of visual training and the possibility of brain plasticity in a child with severe visual impairment. Permalink : ./index.php?lvl=notice_display&id=14089

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