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Détail de l'auteur
Auteur R. MORRIS |
Documents disponibles écrits par cet auteur (3)



Healthcare Providers' Experiences with Autism: A Scoping Review / R. MORRIS in Journal of Autism and Developmental Disorders, 49-6 (June 2019)
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Titre : Healthcare Providers' Experiences with Autism: A Scoping Review Type de document : Texte imprimé et/ou numérique Auteurs : R. MORRIS, Auteur ; A. GREENBLATT, Auteur ; M. SAINI, Auteur Article en page(s) : p.2374-2388 Langues : Anglais (eng) Mots-clés : Autism Healthcare Patient-provider Professional experience Scoping review Service provision Index. décimale : PER Périodiques Résumé : Gaps in research knowledge exist regarding patient-provider interactions with individuals with autism in healthcare settings. To address this, a scoping review was conducted focusing on the experiences of healthcare professionals working with individuals with autism. A systematic search and screen of the literature resulted in 27 relevant studies. Six key themes were found across these 27 studies including (1) complexity beyond usual role, (2) limited knowledge and resources, (3) training/prior experience, (4) communication and collaboration, (5) need for information and training, and (6) need for care coordination and systemic changes. The results of this review have implications for future research and practice and should be considered when reflecting on opportunities to enhance research and service provision with individuals with autism. En ligne : https://dx.doi.org/10.1007/s10803-019-03912-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=400
in Journal of Autism and Developmental Disorders > 49-6 (June 2019) . - p.2374-2388[article] Healthcare Providers' Experiences with Autism: A Scoping Review [Texte imprimé et/ou numérique] / R. MORRIS, Auteur ; A. GREENBLATT, Auteur ; M. SAINI, Auteur . - p.2374-2388.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-6 (June 2019) . - p.2374-2388
Mots-clés : Autism Healthcare Patient-provider Professional experience Scoping review Service provision Index. décimale : PER Périodiques Résumé : Gaps in research knowledge exist regarding patient-provider interactions with individuals with autism in healthcare settings. To address this, a scoping review was conducted focusing on the experiences of healthcare professionals working with individuals with autism. A systematic search and screen of the literature resulted in 27 relevant studies. Six key themes were found across these 27 studies including (1) complexity beyond usual role, (2) limited knowledge and resources, (3) training/prior experience, (4) communication and collaboration, (5) need for information and training, and (6) need for care coordination and systemic changes. The results of this review have implications for future research and practice and should be considered when reflecting on opportunities to enhance research and service provision with individuals with autism. En ligne : https://dx.doi.org/10.1007/s10803-019-03912-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=400 Hippocampal glutamate-glutamine (Glx) in adults with Down syndrome: a preliminary study using in vivo proton magnetic resonance spectroscopy ((1)H MRS) / G. M. TAN in Journal of Neurodevelopmental Disorders, 6-1 (December 2014)
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Titre : Hippocampal glutamate-glutamine (Glx) in adults with Down syndrome: a preliminary study using in vivo proton magnetic resonance spectroscopy ((1)H MRS) Type de document : Texte imprimé et/ou numérique Auteurs : G. M. TAN, Auteur ; F. BEACHER, Auteur ; Eileen DALY, Auteur ; J. HORDER, Auteur ; V. PRASHER, Auteur ; M. L. HANNEY, Auteur ; R. MORRIS, Auteur ; S. LOVESTONE, Auteur ; K. C. MURPHY, Auteur ; A. SIMMONS, Auteur ; D. G. MURPHY, Auteur Article en page(s) : p.42 Langues : Anglais (eng) Mots-clés : 1h mrs Alzheimer's disease Dementia Down syndrome Glutamate-glutamine (Glx) Hippocampus Intellectual disability Magnetic resonance spectroscopy Index. décimale : PER Périodiques Résumé : BACKGROUND: Down syndrome (DS), or trisomy 21, is one of the most common autosomal mutations. People with DS have intellectual disability (ID) and are at significantly increased risk of developing Alzheimer's disease (AD). The biological associates of both ID and AD in DS are poorly understood, but glutamate has been proposed to play a key role. In non-DS populations, glutamate is essential to learning and memory and glutamate-mediated excitotoxicity has been implicated in AD. However, the concentration of hippocampal glutamate in DS individuals with and without dementia has not previously been directly investigated. Proton magnetic resonance spectroscopy ((1)H MRS) can be used to measure in vivo the concentrations of glutamate-glutamine (Glx). The objective of the current study was to examine the hippocampal Glx concentration in non-demented DS (DS-) and demented DS (DS+) individuals. METHODS: We examined 46 adults with DS (35 without dementia and 11 with dementia) and 39 healthy controls (HC) using (1)H MRS and measured their hippocampal Glx concentrations. RESULTS: There was no significant difference in the hippocampal Glx concentration between DS+ and DS-, or between either of the DS groups and the healthy controls. Also, within DS, there was no significant correlation between hippocampal Glx concentration and measures of overall cognitive ability. Last, a sample size calculation based on the effect sizes from this study showed that it would have required 6,257 participants to provide 80% power to detect a significant difference between the groups which would indicate that there is a very low likelihood of a type 2 error accounting for the findings in this study. CONCLUSIONS: Individuals with DS do not have clinically detectable differences in hippocampal Glx concentration. Other pathophysiological processes likely account for ID and AD in people with DS. En ligne : http://dx.doi.org/10.1186/1866-1955-6-42 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=347
in Journal of Neurodevelopmental Disorders > 6-1 (December 2014) . - p.42[article] Hippocampal glutamate-glutamine (Glx) in adults with Down syndrome: a preliminary study using in vivo proton magnetic resonance spectroscopy ((1)H MRS) [Texte imprimé et/ou numérique] / G. M. TAN, Auteur ; F. BEACHER, Auteur ; Eileen DALY, Auteur ; J. HORDER, Auteur ; V. PRASHER, Auteur ; M. L. HANNEY, Auteur ; R. MORRIS, Auteur ; S. LOVESTONE, Auteur ; K. C. MURPHY, Auteur ; A. SIMMONS, Auteur ; D. G. MURPHY, Auteur . - p.42.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 6-1 (December 2014) . - p.42
Mots-clés : 1h mrs Alzheimer's disease Dementia Down syndrome Glutamate-glutamine (Glx) Hippocampus Intellectual disability Magnetic resonance spectroscopy Index. décimale : PER Périodiques Résumé : BACKGROUND: Down syndrome (DS), or trisomy 21, is one of the most common autosomal mutations. People with DS have intellectual disability (ID) and are at significantly increased risk of developing Alzheimer's disease (AD). The biological associates of both ID and AD in DS are poorly understood, but glutamate has been proposed to play a key role. In non-DS populations, glutamate is essential to learning and memory and glutamate-mediated excitotoxicity has been implicated in AD. However, the concentration of hippocampal glutamate in DS individuals with and without dementia has not previously been directly investigated. Proton magnetic resonance spectroscopy ((1)H MRS) can be used to measure in vivo the concentrations of glutamate-glutamine (Glx). The objective of the current study was to examine the hippocampal Glx concentration in non-demented DS (DS-) and demented DS (DS+) individuals. METHODS: We examined 46 adults with DS (35 without dementia and 11 with dementia) and 39 healthy controls (HC) using (1)H MRS and measured their hippocampal Glx concentrations. RESULTS: There was no significant difference in the hippocampal Glx concentration between DS+ and DS-, or between either of the DS groups and the healthy controls. Also, within DS, there was no significant correlation between hippocampal Glx concentration and measures of overall cognitive ability. Last, a sample size calculation based on the effect sizes from this study showed that it would have required 6,257 participants to provide 80% power to detect a significant difference between the groups which would indicate that there is a very low likelihood of a type 2 error accounting for the findings in this study. CONCLUSIONS: Individuals with DS do not have clinically detectable differences in hippocampal Glx concentration. Other pathophysiological processes likely account for ID and AD in people with DS. En ligne : http://dx.doi.org/10.1186/1866-1955-6-42 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=347 Visual perception and processing in children with 22q11.2 deletion syndrome: associations with social cognition measures of face identity and emotion recognition / K. L. MCCABE in Journal of Neurodevelopmental Disorders, 8-1 (December 2016)
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Titre : Visual perception and processing in children with 22q11.2 deletion syndrome: associations with social cognition measures of face identity and emotion recognition Type de document : Texte imprimé et/ou numérique Auteurs : K. L. MCCABE, Auteur ; S. MARLIN, Auteur ; Gavin COOPER, Auteur ; R. MORRIS, Auteur ; U. SCHALL, Auteur ; D. G. MURPHY, Auteur ; K. C. MURPHY, Auteur ; Linda E. CAMPBELL, Auteur Article en page(s) : p.30 Langues : Anglais (eng) Mots-clés : 22q11.2 deletion syndrome (22q11DS) Face processing Object recognition Perceptual organisation Social cognition Visual integration Index. décimale : PER Périodiques Résumé : BACKGROUND: People with 22q11.2 deletion syndrome (22q11DS) have difficulty processing social information including facial identity and emotion processing. However, difficulties with visual and attentional processes may play a role in difficulties observed with these social cognitive skills. METHODS: A cross-sectional study investigated visual perception and processing as well as facial processing abilities in a group of 49 children and adolescents with 22q11DS and 30 age and socio-economic status-matched healthy sibling controls using the Birmingham Object Recognition Battery and face processing sub-tests from the MRC face processing skills battery. RESULTS: The 22q11DS group demonstrated poorer performance on all measures of visual perception and processing, with greatest impairment on perceptual processes relating to form perception as well as object recognition and memory. In addition, form perception was found to make a significant and unique contribution to higher order social-perceptual processing (face identity) in the 22q11DS group. CONCLUSIONS: The findings indicate evidence for impaired visual perception and processing capabilities in 22q11DS. In turn, these were found to influence cognitive skills needed for social processes such as facial identity recognition in the children with 22q11DS. En ligne : http://dx.doi.org/10.1186/s11689-016-9164-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=349
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.30[article] Visual perception and processing in children with 22q11.2 deletion syndrome: associations with social cognition measures of face identity and emotion recognition [Texte imprimé et/ou numérique] / K. L. MCCABE, Auteur ; S. MARLIN, Auteur ; Gavin COOPER, Auteur ; R. MORRIS, Auteur ; U. SCHALL, Auteur ; D. G. MURPHY, Auteur ; K. C. MURPHY, Auteur ; Linda E. CAMPBELL, Auteur . - p.30.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.30
Mots-clés : 22q11.2 deletion syndrome (22q11DS) Face processing Object recognition Perceptual organisation Social cognition Visual integration Index. décimale : PER Périodiques Résumé : BACKGROUND: People with 22q11.2 deletion syndrome (22q11DS) have difficulty processing social information including facial identity and emotion processing. However, difficulties with visual and attentional processes may play a role in difficulties observed with these social cognitive skills. METHODS: A cross-sectional study investigated visual perception and processing as well as facial processing abilities in a group of 49 children and adolescents with 22q11DS and 30 age and socio-economic status-matched healthy sibling controls using the Birmingham Object Recognition Battery and face processing sub-tests from the MRC face processing skills battery. RESULTS: The 22q11DS group demonstrated poorer performance on all measures of visual perception and processing, with greatest impairment on perceptual processes relating to form perception as well as object recognition and memory. In addition, form perception was found to make a significant and unique contribution to higher order social-perceptual processing (face identity) in the 22q11DS group. CONCLUSIONS: The findings indicate evidence for impaired visual perception and processing capabilities in 22q11DS. In turn, these were found to influence cognitive skills needed for social processes such as facial identity recognition in the children with 22q11DS. En ligne : http://dx.doi.org/10.1186/s11689-016-9164-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=349