Autistic Children Use Less Efficient Goal-Directed Whole Body Movements Compared to Neurotypical Development / Nicholas E. FEARS in Journal of Autism and Developmental Disorders, 53-7 (July 2023)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 53-7 (July 2023) . - p.2806-2817 Titre : Autistic Children Use Less Efficient Goal-Directed Whole Body Movements Compared to Neurotypical Development Type de document : Texte imprimé et/ou numérique Auteurs : Nicholas E. FEARS, Auteur ; Tylan N. TEMPLIN, Auteur ; Gabriela M. SHERROD, Auteur ; Nicoleta L. BUGNARIU, Auteur ; Rita M. PATTERSON, Auteur ; Haylie L. MILLER, Auteur Article en page(s) : p.2806-2817 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Autistic children have differences in their movements which impact their functional performance. Virtual-reality enables researchers to study movement in safe, engaging environments. We used motion-capture to measure how 7-13-year-old autistic and neurotypical children make whole-body movements in a virtual-reality task. Although children in both groups were successful, we observed differences in their movements. Autistic children were less efficient moving to the target. Autistic children did not appear to use a movement strategy. While neurotypical children were more likely to overshoot near targets and undershoot far targets, autistic children did not modulate their strategy. Using kinematic data from tasks in virtual-reality, we can begin to understand the pattern of movement challenges experienced by autistic children. En ligne : https://doi.org/10.1007/s10803-022-05523-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=508 [article] Autistic Children Use Less Efficient Goal-Directed Whole Body Movements Compared to Neurotypical Development [Texte imprimé et/ou numérique] / Nicholas E. FEARS, Auteur ; Tylan N. TEMPLIN, Auteur ; Gabriela M. SHERROD, Auteur ; Nicoleta L. BUGNARIU, Auteur ; Rita M. PATTERSON, Auteur ; Haylie L. MILLER, Auteur . - p.2806-2817. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 53-7 (July 2023) . - p.2806-2817 Index. décimale : PER Périodiques Résumé : Autistic children have differences in their movements which impact their functional performance. Virtual-reality enables researchers to study movement in safe, engaging environments. We used motion-capture to measure how 7-13-year-old autistic and neurotypical children make whole-body movements in a virtual-reality task. Although children in both groups were successful, we observed differences in their movements. Autistic children were less efficient moving to the target. Autistic children did not appear to use a movement strategy. While neurotypical children were more likely to overshoot near targets and undershoot far targets, autistic children did not modulate their strategy. Using kinematic data from tasks in virtual-reality, we can begin to understand the pattern of movement challenges experienced by autistic children. En ligne : https://doi.org/10.1007/s10803-022-05523-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=508

Community-based postural control assessment in autistic individuals indicates a similar but delayed trajectory compared to neurotypical individuals / Nicholas E. FEARS in Autism Research, 16-3 (March 2023)  

Public ISBD [article]  inAutism Research > 16-3 (March 2023) . - p.543-557 Titre : Community-based postural control assessment in autistic individuals indicates a similar but delayed trajectory compared to neurotypical individuals Type de document : Texte imprimé et/ou numérique Auteurs : Nicholas E. FEARS, Auteur ; Gabriela M.c SHERROD, Auteur ; Tylan N. TEMPLIN, Auteur ; Nicoleta L. BUGNARIU, Auteur ; Rita M. PATTERSON, Auteur ; Haylie L. MILLER, Auteur Article en page(s) : p.543-557 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Abstract Autistic individuals exhibit significant sensorimotor differences. Postural stability and control are foundational motor skills for successfully performing many activities of daily living. In neurotypical development, postural stability and control develop throughout childhood and adolescence. In autistic development, previous studies have focused primarily on individual age groups (e.g., childhood, adolescence, adulthood) or only controlled for age using age-matching. Here, we examined the age trajectories of postural stability and control in autism from childhood through adolescents using standardized clinical assessments. In study 1, we tested the postural stability of autistic (n = 27) and neurotypical (n = 41) children, adolescents, and young adults aged 7-20?years during quiet standing on a force plate in three visual conditions: eyes open (EO), eyes closed (EC), and eyes open with the head in a translucent dome (Dome). Postural sway variability decreased as age increased for both groups, but autistic participants showed greater variability than neurotypical participants across age. In study 2, we tested autistic (n = 21) and neurotypical (n = 32) children and adolescents aged 7-16?years during a dynamic postural control task with nine targets. Postural control efficiency increased as age increased for both groups, but autistic participants were less efficient compared to neurotypical participants across age. Together, these results indicate that autistic individuals have a similar age trajectory for postural stability and control compared to neurotypical individuals, but have lower postural stability and control overall. En ligne : https://doi.org/10.1002/aur.2889 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=498 [article] Community-based postural control assessment in autistic individuals indicates a similar but delayed trajectory compared to neurotypical individuals [Texte imprimé et/ou numérique] / Nicholas E. FEARS, Auteur ; Gabriela M.c SHERROD, Auteur ; Tylan N. TEMPLIN, Auteur ; Nicoleta L. BUGNARIU, Auteur ; Rita M. PATTERSON, Auteur ; Haylie L. MILLER, Auteur . - p.543-557. Langues : Anglais (eng) in Autism Research > 16-3 (March 2023) . - p.543-557 Index. décimale : PER Périodiques Résumé : Abstract Autistic individuals exhibit significant sensorimotor differences. Postural stability and control are foundational motor skills for successfully performing many activities of daily living. In neurotypical development, postural stability and control develop throughout childhood and adolescence. In autistic development, previous studies have focused primarily on individual age groups (e.g., childhood, adolescence, adulthood) or only controlled for age using age-matching. Here, we examined the age trajectories of postural stability and control in autism from childhood through adolescents using standardized clinical assessments. In study 1, we tested the postural stability of autistic (n = 27) and neurotypical (n = 41) children, adolescents, and young adults aged 7-20?years during quiet standing on a force plate in three visual conditions: eyes open (EO), eyes closed (EC), and eyes open with the head in a translucent dome (Dome). Postural sway variability decreased as age increased for both groups, but autistic participants showed greater variability than neurotypical participants across age. In study 2, we tested autistic (n = 21) and neurotypical (n = 32) children and adolescents aged 7-16?years during a dynamic postural control task with nine targets. Postural control efficiency increased as age increased for both groups, but autistic participants were less efficient compared to neurotypical participants across age. Together, these results indicate that autistic individuals have a similar age trajectory for postural stability and control compared to neurotypical individuals, but have lower postural stability and control overall. En ligne : https://doi.org/10.1002/aur.2889 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=498

Functional upper-extremity movements in autism: A narrative literature review / Shanan SUN in Research in Autism Spectrum Disorders, 118 (October 2024)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 118 (October 2024) . - 102489 Titre : Functional upper-extremity movements in autism: A narrative literature review Type de document : Texte imprimé et/ou numérique Auteurs : Shanan SUN, Auteur ; Nicholas E. FEARS, Auteur ; Haylie L. MILLER, Auteur Article en page(s) : 102489 Langues : Anglais (eng) Mots-clés : Autism  Upper extremity  Movement  Autistic  Pointing  Handwriting  Reaching  Grasping Index. décimale : PER Périodiques Résumé : Background Many autistic individuals exhibit clinically-significant motor difficulties. Previous reviews focused on overall motor ability or coordination, but with little attention paid to quantifying differences in upper extremity skills, which are critical to many activities of daily living. Our objective was to identify and evaluate the published literature on upper extremity motor skills of autistic people. Method We conducted a literature search in PubMed, Scopus, and PsycInfo for empirical research articles reporting functional upper extremity movement performance in autism. We included articles reporting results of primary data collection from autistic people published before July 10, 2024. Articles were identified and data were extracted and evaluated using EndNote and Microsoft Excel by a team of three authors. Results Our search strategy yielded 1181 unique articles. After screening these articles, the final sample included 43 empirical research articles focused on functional upper extremity movements, including pointing (n = 13), reaching to grasp (n = 18), and handwriting (n = 12) in autism. Across these skills, autistic people exhibited slower, more variable movements than their non-autistic counterparts. Conclusions Upper extremity movement differences in autism are likely the result of differences in motor planning and increased online monitoring of movement execution. Limitations and potential bias exist in the racial, ethnic, age, and gender diversity of available data, and in the variability of methods used to assess performance. However, the current body of literature suggests significant differences between autistic and non-autistic upper extremity movements. Slower, more variable upper extremity movements likely affect many functional difficulties experienced in autistic people?s daily lives. En ligne : https://doi.org/10.1016/j.rasd.2024.102489 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=540 [article] Functional upper-extremity movements in autism: A narrative literature review [Texte imprimé et/ou numérique] / Shanan SUN, Auteur ; Nicholas E. FEARS, Auteur ; Haylie L. MILLER, Auteur . - 102489. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 118 (October 2024) . - 102489 Mots-clés : Autism  Upper extremity  Movement  Autistic  Pointing  Handwriting  Reaching  Grasping Index. décimale : PER Périodiques Résumé : Background Many autistic individuals exhibit clinically-significant motor difficulties. Previous reviews focused on overall motor ability or coordination, but with little attention paid to quantifying differences in upper extremity skills, which are critical to many activities of daily living. Our objective was to identify and evaluate the published literature on upper extremity motor skills of autistic people. Method We conducted a literature search in PubMed, Scopus, and PsycInfo for empirical research articles reporting functional upper extremity movement performance in autism. We included articles reporting results of primary data collection from autistic people published before July 10, 2024. Articles were identified and data were extracted and evaluated using EndNote and Microsoft Excel by a team of three authors. Results Our search strategy yielded 1181 unique articles. After screening these articles, the final sample included 43 empirical research articles focused on functional upper extremity movements, including pointing (n = 13), reaching to grasp (n = 18), and handwriting (n = 12) in autism. Across these skills, autistic people exhibited slower, more variable movements than their non-autistic counterparts. Conclusions Upper extremity movement differences in autism are likely the result of differences in motor planning and increased online monitoring of movement execution. Limitations and potential bias exist in the racial, ethnic, age, and gender diversity of available data, and in the variability of methods used to assess performance. However, the current body of literature suggests significant differences between autistic and non-autistic upper extremity movements. Slower, more variable upper extremity movements likely affect many functional difficulties experienced in autistic people?s daily lives. En ligne : https://doi.org/10.1016/j.rasd.2024.102489 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=540

Motor skills predict adaptive behavior in autistic children and adolescents / Nicholas E. FEARS in Autism Research, 15-6 (June 2022)  

Public ISBD [article]  inAutism Research > 15-6 (June 2022) . - p.1083-1089 Titre : Motor skills predict adaptive behavior in autistic children and adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Nicholas E. FEARS, Auteur ; Stephanie A. PALMER, Auteur ; Haylie L. MILLER, Auteur Article en page(s) : p.1083-1089 Langues : Anglais (eng) Mots-clés : Adaptation, Psychological  Adolescent  Autism Spectrum Disorder/complications  Autistic Disorder/complications  Child  Humans  Intelligence Tests  Motor Skills  adaptive behavior  autism spectrum disorder  intelligence  movement disorder Index. décimale : PER Périodiques Résumé : It is well-documented that intelligence quotient (IQ) is a poor predictor of adaptive behavior scores in autism, with autistic children having lower adaptive behavior scores than would be predicted based on their IQ scores. Differences in motor skills may explain the variability in their adaptive behavior scores. The current study examined how motor skills might explain autistic individuals' low adaptive behavior scores and which individual components of IQ (i.e., verbal comprehension and perceptual reasoning) and motor skills (i.e., manual dexterity, aiming and catching, and balance) may drive this effect. We examined the associations between IQ, motor skills, calibrated severity, and adaptive behavior scores in 45 autistic children and adolescents. Using a t-test, we found a significant difference (p <0.001) between full-scale IQ and adaptive behavior scores, indicating that our participants' adaptive behavior scores were lower than would be expected given their full-scale IQ. Using a linear regression, we investigated whether motor skills predicted adaptive behavior in autistic children and adolescents and found that motor skills scores were associated with adaptive behavior scores (p =?0.022). To further investigate these associations, we used another linear regression to examine how individual components of IQ and motor skills predicted adaptive behavior scores in autistic children and adolescents. Our results indicated that manual dexterity scores were associated with adaptive behavior scores (p =?0.036). These findings clearly illustrate the need for further understanding of autistic individuals' difficulties with adaptive behavior and the potential role of motor skill difficulties that may underlie these difficulties. LAY SUMMARY: Autistic children have lower adaptive behavior scores (e.g., daily living skills, social skills, communication) than intelligence scores (e.g., verbal and perceptual skills) along with difficulties with motor skills. Motor skills may explain the gap between adaptive behavior and intelligence. We found motor skills were associated with adaptive behavior in autistic children and adolescents. In particular, hand coordination was associated with adaptive behavior. We need to better understand how autistic individuals' motor skills impact their adaptive behavior to provide effective supports. En ligne : http://dx.doi.org/10.1002/aur.2708 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=476 [article] Motor skills predict adaptive behavior in autistic children and adolescents [Texte imprimé et/ou numérique] / Nicholas E. FEARS, Auteur ; Stephanie A. PALMER, Auteur ; Haylie L. MILLER, Auteur . - p.1083-1089. Langues : Anglais (eng) in Autism Research > 15-6 (June 2022) . - p.1083-1089 Mots-clés : Adaptation, Psychological  Adolescent  Autism Spectrum Disorder/complications  Autistic Disorder/complications  Child  Humans  Intelligence Tests  Motor Skills  adaptive behavior  autism spectrum disorder  intelligence  movement disorder Index. décimale : PER Périodiques Résumé : It is well-documented that intelligence quotient (IQ) is a poor predictor of adaptive behavior scores in autism, with autistic children having lower adaptive behavior scores than would be predicted based on their IQ scores. Differences in motor skills may explain the variability in their adaptive behavior scores. The current study examined how motor skills might explain autistic individuals' low adaptive behavior scores and which individual components of IQ (i.e., verbal comprehension and perceptual reasoning) and motor skills (i.e., manual dexterity, aiming and catching, and balance) may drive this effect. We examined the associations between IQ, motor skills, calibrated severity, and adaptive behavior scores in 45 autistic children and adolescents. Using a t-test, we found a significant difference (p <0.001) between full-scale IQ and adaptive behavior scores, indicating that our participants' adaptive behavior scores were lower than would be expected given their full-scale IQ. Using a linear regression, we investigated whether motor skills predicted adaptive behavior in autistic children and adolescents and found that motor skills scores were associated with adaptive behavior scores (p =?0.022). To further investigate these associations, we used another linear regression to examine how individual components of IQ and motor skills predicted adaptive behavior scores in autistic children and adolescents. Our results indicated that manual dexterity scores were associated with adaptive behavior scores (p =?0.036). These findings clearly illustrate the need for further understanding of autistic individuals' difficulties with adaptive behavior and the potential role of motor skill difficulties that may underlie these difficulties. LAY SUMMARY: Autistic children have lower adaptive behavior scores (e.g., daily living skills, social skills, communication) than intelligence scores (e.g., verbal and perceptual skills) along with difficulties with motor skills. Motor skills may explain the gap between adaptive behavior and intelligence. We found motor skills were associated with adaptive behavior in autistic children and adolescents. In particular, hand coordination was associated with adaptive behavior. We need to better understand how autistic individuals' motor skills impact their adaptive behavior to provide effective supports. En ligne : http://dx.doi.org/10.1002/aur.2708 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=476

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