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Résultat de la recherche
12 recherche sur le mot-clé 'Postural control'




Postural Control Deficits in Autism Spectrum Disorder: The Role of Sensory Integration / Michail DOUMAS in Journal of Autism and Developmental Disorders, 46-3 (March 2016)
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Titre : Postural Control Deficits in Autism Spectrum Disorder: The Role of Sensory Integration Type de document : Texte imprimé et/ou numérique Auteurs : Michail DOUMAS, Auteur ; Roisin MCKENNA, Auteur ; Blain MURPHY, Auteur Article en page(s) : p.853-861 Langues : Anglais (eng) Mots-clés : Postural control Balance Autism spectrum disorder Sensory integration Proprioception Vision Index. décimale : PER Périodiques Résumé : We investigated the nature of sensory integration deficits in postural control of young adults with ASD. Postural control was assessed in a fixed environment, and in three environments in which sensory information about body sway from visual, proprioceptive or both channels was inaccurate. Furthermore, two levels of inaccurate information were used within each channel (gain 1 and 1.6). ASD participants showed greater postural sway when information from both channels was inaccurate. In addition, control participants’ ellipse area at gain 1.6 was identical to ASD participants’ at gain 1, reflecting hyper-reactivity in ASD. Our results provide evidence for hyper-reactivity in posture-related sensory information, which reflects a general, rather than channel-specific sensory integration impairment in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2621-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=281
in Journal of Autism and Developmental Disorders > 46-3 (March 2016) . - p.853-861[article] Postural Control Deficits in Autism Spectrum Disorder: The Role of Sensory Integration [Texte imprimé et/ou numérique] / Michail DOUMAS, Auteur ; Roisin MCKENNA, Auteur ; Blain MURPHY, Auteur . - p.853-861.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 46-3 (March 2016) . - p.853-861
Mots-clés : Postural control Balance Autism spectrum disorder Sensory integration Proprioception Vision Index. décimale : PER Périodiques Résumé : We investigated the nature of sensory integration deficits in postural control of young adults with ASD. Postural control was assessed in a fixed environment, and in three environments in which sensory information about body sway from visual, proprioceptive or both channels was inaccurate. Furthermore, two levels of inaccurate information were used within each channel (gain 1 and 1.6). ASD participants showed greater postural sway when information from both channels was inaccurate. In addition, control participants’ ellipse area at gain 1.6 was identical to ASD participants’ at gain 1, reflecting hyper-reactivity in ASD. Our results provide evidence for hyper-reactivity in posture-related sensory information, which reflects a general, rather than channel-specific sensory integration impairment in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2621-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=281 Examining the specificity of postural control deficits in children with Autism Spectrum Disorder using a cross-syndrome approach / Daniel E. LIDSTONE in Research in Autism Spectrum Disorders, 72 (April 2020)
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Titre : Examining the specificity of postural control deficits in children with Autism Spectrum Disorder using a cross-syndrome approach Type de document : Texte imprimé et/ou numérique Auteurs : Daniel E. LIDSTONE, Auteur ; Faria Z. MIAH, Auteur ; Brach POSTON, Auteur ; Julie F. BEASLEY, Auteur ; Janet S. DUFEK, Auteur Article en page(s) : p.101514 Langues : Anglais (eng) Mots-clés : Cross-syndrome Postural control Balance Postural sway ASD Entropy Index. décimale : PER Périodiques Résumé : Background Postural control deficits are commonly reported in children with Autism Spectrum Disorder (ASD). However, identification of specific postural sway features that differentiate ASD from other neurodevelopmental disorders has not been examined. The current study employs a cross-syndrome approach by comparing postural sway area and direction-specific features of sway magnitude, sway velocity, and sway complexity between children with ASD, Fetal Alcohol Spectrum Disorder (FASD), Attention-Deficit Hyperactivity Disorder (ADHD), and typically developing (TD) controls. Method Eighty children (7–17 years old) participated in this study. Postural sway was measured on a force plate during 30-s of bilateral quiet stance and balance was assessed using a timed unipedal stance test. Results Results showed that (1) postural sway area and mediolateral (ML) sway magnitude were significantly greater in children with ASD vs. all groups (p?0.05); (2) anteroposterior (AP) sway magnitude and velocity were significantly greater in children with ASD vs. TD controls-only (p?0.05); and (3) static balance was similarly impaired in all clinical groups compared to TD children (p?0.05). Conclusions ASD-specific postural sway features were identified using a cross-syndrome design. Identifying ASD-specific motor impairments can be useful to understanding the neurological underpinnings of ASD. En ligne : https://doi.org/10.1016/j.rasd.2020.101514 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=420
in Research in Autism Spectrum Disorders > 72 (April 2020) . - p.101514[article] Examining the specificity of postural control deficits in children with Autism Spectrum Disorder using a cross-syndrome approach [Texte imprimé et/ou numérique] / Daniel E. LIDSTONE, Auteur ; Faria Z. MIAH, Auteur ; Brach POSTON, Auteur ; Julie F. BEASLEY, Auteur ; Janet S. DUFEK, Auteur . - p.101514.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 72 (April 2020) . - p.101514
Mots-clés : Cross-syndrome Postural control Balance Postural sway ASD Entropy Index. décimale : PER Périodiques Résumé : Background Postural control deficits are commonly reported in children with Autism Spectrum Disorder (ASD). However, identification of specific postural sway features that differentiate ASD from other neurodevelopmental disorders has not been examined. The current study employs a cross-syndrome approach by comparing postural sway area and direction-specific features of sway magnitude, sway velocity, and sway complexity between children with ASD, Fetal Alcohol Spectrum Disorder (FASD), Attention-Deficit Hyperactivity Disorder (ADHD), and typically developing (TD) controls. Method Eighty children (7–17 years old) participated in this study. Postural sway was measured on a force plate during 30-s of bilateral quiet stance and balance was assessed using a timed unipedal stance test. Results Results showed that (1) postural sway area and mediolateral (ML) sway magnitude were significantly greater in children with ASD vs. all groups (p?0.05); (2) anteroposterior (AP) sway magnitude and velocity were significantly greater in children with ASD vs. TD controls-only (p?0.05); and (3) static balance was similarly impaired in all clinical groups compared to TD children (p?0.05). Conclusions ASD-specific postural sway features were identified using a cross-syndrome design. Identifying ASD-specific motor impairments can be useful to understanding the neurological underpinnings of ASD. En ligne : https://doi.org/10.1016/j.rasd.2020.101514 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=420 Spatial and temporal analysis of postural control in children with high functioning Autism Spectrum Disorder / Nathalie GOULÈME in Research in Autism Spectrum Disorders, 40 (August 2017)
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Titre : Spatial and temporal analysis of postural control in children with high functioning Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Nathalie GOULÈME, Auteur ; Isabelle SCHEID, Auteur ; Hugo PEYRE, Auteur ; Anna MARUANI, Auteur ; Julia CLARKE, Auteur ; Richard DELORME, Auteur ; Maria Pia BUCCI, Auteur Article en page(s) : p.13-23 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Children Postural control Wavelet transformation Sensorial inputs Index. décimale : PER Périodiques Résumé : AbstractBackground Children with autism spectrum disorders (ASD) have poor postural stability. The objective of our study was to explore further postural capabilities in ASD children by measuring spatial as well as temporal displacement of the center of pressure using wavelet analysis. Method Thirty children with ASD (12.1 ± 2.9 years) and 30 sex-, age- and IQ-matched typically developing children participated in the study. We recorded postural control using Multitest, also called Balance Quest, Equilibre from Framiral® in three viewing conditions (eyes open, eyes closed and with perturbed vision) and in two postural conditions (stable and unstable). Results Our results show that children with ASD displayed a deficit in postural stability in comparison with typically developing children, especially when sensory inputs are not all available. Conclusion Such poor postural control in children with ASD could be due to both an impairment in using sensorial inputs appropriately and a deficit in the ability to compensate for sensorial changes. En ligne : https://doi.org/10.1016/j.rasd.2017.05.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=317
in Research in Autism Spectrum Disorders > 40 (August 2017) . - p.13-23[article] Spatial and temporal analysis of postural control in children with high functioning Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Nathalie GOULÈME, Auteur ; Isabelle SCHEID, Auteur ; Hugo PEYRE, Auteur ; Anna MARUANI, Auteur ; Julia CLARKE, Auteur ; Richard DELORME, Auteur ; Maria Pia BUCCI, Auteur . - p.13-23.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 40 (August 2017) . - p.13-23
Mots-clés : Autism spectrum disorder Children Postural control Wavelet transformation Sensorial inputs Index. décimale : PER Périodiques Résumé : AbstractBackground Children with autism spectrum disorders (ASD) have poor postural stability. The objective of our study was to explore further postural capabilities in ASD children by measuring spatial as well as temporal displacement of the center of pressure using wavelet analysis. Method Thirty children with ASD (12.1 ± 2.9 years) and 30 sex-, age- and IQ-matched typically developing children participated in the study. We recorded postural control using Multitest, also called Balance Quest, Equilibre from Framiral® in three viewing conditions (eyes open, eyes closed and with perturbed vision) and in two postural conditions (stable and unstable). Results Our results show that children with ASD displayed a deficit in postural stability in comparison with typically developing children, especially when sensory inputs are not all available. Conclusion Such poor postural control in children with ASD could be due to both an impairment in using sensorial inputs appropriately and a deficit in the ability to compensate for sensorial changes. En ligne : https://doi.org/10.1016/j.rasd.2017.05.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=317 Static and dynamic postural control deficits in aging fragile X mental retardation 1 (FMR1) gene premutation carriers / Z. WANG in Journal of Neurodevelopmental Disorders, 11-1 (December 2019)
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Titre : Static and dynamic postural control deficits in aging fragile X mental retardation 1 (FMR1) gene premutation carriers Type de document : Texte imprimé et/ou numérique Auteurs : Z. WANG, Auteur ; P. KHEMANI, Auteur ; Lauren M. SCHMITT, Auteur ; S. LUI, Auteur ; M. W. MOSCONI, Auteur Article en page(s) : 2 p. Langues : Anglais (eng) Mots-clés : Cerebellum FMR1gene premutation allele Fragile X mental retardation 1 (FMR1) gene Fragile X-associated tremor/ataxia syndrome (FXTAS) Postural control Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with premutation alleles of the fragile X mental retardation 1 (FMR1) gene are at risk of developing fragile X-associated tremor/ataxia syndrome (FXTAS) during aging. Characterization of motor issues associated with aging in FMR1 premutation carriers is needed to determine neurodegenerative processes and establish new biobehavioral indicators to help identify individuals at greatest risk of developing FXTAS. METHODS: We examined postural stability in 18 premutation carriers ages 46-77 years and 14 age-matched healthy controls. Participants completed a test of static stance and two tests of dynamic postural sway on a force platform to quantify postural variability and complexity. CGG repeat length was measured for each premutation carrier, and MRI and neurological evaluations were conducted to identify carriers who currently met criteria for FXTAS. Of the 18 premutation carriers, seven met criteria for definite/probable FXTAS (FXTAS+), seven showed no MRI or neurological signs of FXTAS (FXTAS-), and four were inconclusive due to insufficient data. RESULTS: Compared to controls, premutation carriers showed increased center of pressure (COP) variability in the mediolateral (COPML) direction during static stance and reduced COP variability in the anterior-posterior (COPAP) direction during dynamic AP sway. They also showed reductions in COPML complexity during each postural condition. FXTAS+ individuals showed reduced COPAP variability compared to FXTAS- carriers and healthy controls during dynamic AP sway. Across all carriers, increased sway variability during static stance and decreased sway variability in target directions during dynamic sways were associated with greater CGG repeat length and more severe neurologically rated posture and gait abnormalities. CONCLUSION: Our findings indicate that aging FMR1 premutation carriers show static and dynamic postural control deficits relative to healthy controls implicating degenerative processes of spinocerebellar and cerebellar-brainstem circuits that may be independent of or precede the onset of FXTAS. Our finding that FXTAS+ and FXTAS- premutation carriers differed on their level of intentional AP sway suggests that neural mechanisms of dynamic postural control may be differentially impacted in patients with FXTAS, and its measurement may be useful for rapidly and precisely identifying disease presence and onset. En ligne : http://dx.doi.org/10.1186/s11689-018-9261-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=386
in Journal of Neurodevelopmental Disorders > 11-1 (December 2019) . - 2 p.[article] Static and dynamic postural control deficits in aging fragile X mental retardation 1 (FMR1) gene premutation carriers [Texte imprimé et/ou numérique] / Z. WANG, Auteur ; P. KHEMANI, Auteur ; Lauren M. SCHMITT, Auteur ; S. LUI, Auteur ; M. W. MOSCONI, Auteur . - 2 p.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 11-1 (December 2019) . - 2 p.
Mots-clés : Cerebellum FMR1gene premutation allele Fragile X mental retardation 1 (FMR1) gene Fragile X-associated tremor/ataxia syndrome (FXTAS) Postural control Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with premutation alleles of the fragile X mental retardation 1 (FMR1) gene are at risk of developing fragile X-associated tremor/ataxia syndrome (FXTAS) during aging. Characterization of motor issues associated with aging in FMR1 premutation carriers is needed to determine neurodegenerative processes and establish new biobehavioral indicators to help identify individuals at greatest risk of developing FXTAS. METHODS: We examined postural stability in 18 premutation carriers ages 46-77 years and 14 age-matched healthy controls. Participants completed a test of static stance and two tests of dynamic postural sway on a force platform to quantify postural variability and complexity. CGG repeat length was measured for each premutation carrier, and MRI and neurological evaluations were conducted to identify carriers who currently met criteria for FXTAS. Of the 18 premutation carriers, seven met criteria for definite/probable FXTAS (FXTAS+), seven showed no MRI or neurological signs of FXTAS (FXTAS-), and four were inconclusive due to insufficient data. RESULTS: Compared to controls, premutation carriers showed increased center of pressure (COP) variability in the mediolateral (COPML) direction during static stance and reduced COP variability in the anterior-posterior (COPAP) direction during dynamic AP sway. They also showed reductions in COPML complexity during each postural condition. FXTAS+ individuals showed reduced COPAP variability compared to FXTAS- carriers and healthy controls during dynamic AP sway. Across all carriers, increased sway variability during static stance and decreased sway variability in target directions during dynamic sways were associated with greater CGG repeat length and more severe neurologically rated posture and gait abnormalities. CONCLUSION: Our findings indicate that aging FMR1 premutation carriers show static and dynamic postural control deficits relative to healthy controls implicating degenerative processes of spinocerebellar and cerebellar-brainstem circuits that may be independent of or precede the onset of FXTAS. Our finding that FXTAS+ and FXTAS- premutation carriers differed on their level of intentional AP sway suggests that neural mechanisms of dynamic postural control may be differentially impacted in patients with FXTAS, and its measurement may be useful for rapidly and precisely identifying disease presence and onset. En ligne : http://dx.doi.org/10.1186/s11689-018-9261-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=386 The effects of balance training intervention on postural control of children with autism spectrum disorder: Role of sensory information / Hakim CHELDAVI in Research in Autism Spectrum Disorders, 8-1 (January 2014)
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Titre : The effects of balance training intervention on postural control of children with autism spectrum disorder: Role of sensory information Type de document : Texte imprimé et/ou numérique Auteurs : Hakim CHELDAVI, Auteur ; Saeid SHAKERIAN, Auteur ; Seyedeh Nahid SHETAB BOSHEHRI, Auteur ; Mehdi ZARGHAMI, Auteur Article en page(s) : p.8-14 Langues : Anglais (eng) Mots-clés : Autism Postural control Compliant surface Sensory Balance training Index. décimale : PER Périodiques Résumé : AbstractPurpose The aim of this study was to investigate the effect of balance training intervention in children with autism spectrum disorder (ASD), and to explore the relative role of the sensory systems in such kids. Methodology We recruited 20 school children (IQ gt; 80) diagnosed with ASD, and categorized them in two groups; a 10-member training group (average age: 7.70 ± 1.05) and a 10-member control group (average age: 7.90 ± 1.10). Thus, following a six-week-long balance training intervention in four conditions of bipedal upright stance [compliant (Foam) vs. non-compliant (Hard) with eyes-open (EO) vs. eyes-closed (EC)], we examined measures such as mean velocity (V), anteroposterior (AP) and mediolateral (ML) axis displacement, and compared the results to those calculated prior to the initiation of the intervention using MANOVA test. Results This study showed that the balance training program efficiently improved the postural control in ASD suffering children, and that removing the visual and plantar proprioceptive information led to increased sway in both groups. The training group performed significantly better than the control group in all conditions. Conclusion It is thus concludable that children suffering from ASD can benefit from such balance training programs to improve their balance and postural control. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.09.016 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=220
in Research in Autism Spectrum Disorders > 8-1 (January 2014) . - p.8-14[article] The effects of balance training intervention on postural control of children with autism spectrum disorder: Role of sensory information [Texte imprimé et/ou numérique] / Hakim CHELDAVI, Auteur ; Saeid SHAKERIAN, Auteur ; Seyedeh Nahid SHETAB BOSHEHRI, Auteur ; Mehdi ZARGHAMI, Auteur . - p.8-14.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 8-1 (January 2014) . - p.8-14
Mots-clés : Autism Postural control Compliant surface Sensory Balance training Index. décimale : PER Périodiques Résumé : AbstractPurpose The aim of this study was to investigate the effect of balance training intervention in children with autism spectrum disorder (ASD), and to explore the relative role of the sensory systems in such kids. Methodology We recruited 20 school children (IQ gt; 80) diagnosed with ASD, and categorized them in two groups; a 10-member training group (average age: 7.70 ± 1.05) and a 10-member control group (average age: 7.90 ± 1.10). Thus, following a six-week-long balance training intervention in four conditions of bipedal upright stance [compliant (Foam) vs. non-compliant (Hard) with eyes-open (EO) vs. eyes-closed (EC)], we examined measures such as mean velocity (V), anteroposterior (AP) and mediolateral (ML) axis displacement, and compared the results to those calculated prior to the initiation of the intervention using MANOVA test. Results This study showed that the balance training program efficiently improved the postural control in ASD suffering children, and that removing the visual and plantar proprioceptive information led to increased sway in both groups. The training group performed significantly better than the control group in all conditions. Conclusion It is thus concludable that children suffering from ASD can benefit from such balance training programs to improve their balance and postural control. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.09.016 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=220 Postural sway patterns in children with autism spectrum disorder compared with typically developing children / Amir Hossein MEMARI in Research in Autism Spectrum Disorders, 7-2 (February 2013)
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PermalinkPostural and Cortical Responses Following Visual Occlusion in Adults With and Without ASD / K. L. GOH in Journal of Autism and Developmental Disorders, 48-5 (May 2018)
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PermalinkVisual feedback increases postural stability in children with autism spectrum disorder / Eszter SOMOGYI in Research in Autism Spectrum Disorders, 29-30 (September–October 2016)
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PermalinkGross motor skills are related to postural stability and age in children with autism spectrum disorder / Melissa A. MACHE in Research in Autism Spectrum Disorders, 23 (March 2016)
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PermalinkThe Influence of Task Difficulty and Participant Age on Balance Control in ASD / Sarah A. GRAHAM in Journal of Autism and Developmental Disorders, 45-5 (May 2015)
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