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Auteur C. OLIVER |
Documents disponibles écrits par cet auteur (21)
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Prospective study of autism phenomenology and the behavioural phenotype of Phelan-McDermid syndrome: comparison to fragile X syndrome, Down syndrome and idiopathic autism spectrum disorder / C. RICHARDS in Journal of Neurodevelopmental Disorders, 9-1 (December 2017)
[article]
Titre : Prospective study of autism phenomenology and the behavioural phenotype of Phelan-McDermid syndrome: comparison to fragile X syndrome, Down syndrome and idiopathic autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : C. RICHARDS, Auteur ; L. POWIS, Auteur ; J. MOSS, Auteur ; C. STINTON, Auteur ; L. NELSON, Auteur ; C. OLIVER, Auteur Article en page(s) : p.37 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Behavioural phenotype Hyperactivity Impulsivity Mood Phelan-McDermid syndrome Repetitive behaviour Shank3 Index. décimale : PER Périodiques Résumé : BACKGROUND: The limited behavioural phenotype literature on Phelan-McDermid syndrome (PMS) indicates atypically high levels of activity, impulsivity and autism spectrum disorder (ASD) behaviours. Divergent profiles of ASD in PMS are also reported, with some studies demonstrating similarities to idiopathic ASD and others indicating an uneven profile of social and communication impairments and repetitive behaviours. An evaluation of the behavioural phenotype of PMS and the prevalence and phenomenology of ASD is warranted, particularly given the causal involvement of the SHANK3 gene in the aetiology of PMS. METHODS: Carers of individuals with PMS (N = 30; mean age = 10.55, SD = 7.08) completed questionnaires relating to impulsivity, overactivity, mood, interest and pleasure, repetitive behaviour and ASD phenomenology. These data were compared to data from matched samples of individuals with fragile X and Down syndromes and idiopathic ASD. In order to evaluate the profile of ASD phenomenology in PMS, two comparisons were made: first, including the total sample with PMS, and second, including only those who met the threshold indicative of autism on an ASD screening measure. RESULTS: The results revealed lower mood in individuals with PMS, but no differences in impulsivity and overactivity. Compulsive and routine-driven repetitive behaviours were less common in the total sample with PMS; however, motor-based stereotyped behaviours were more common. ASD phenomenology was highly prevalent, with 87% of the sample meeting the cutoff score for ASD and 57% meeting the cutoff for autism. The profile of ASD phenomenology in the total sample with PMS differed from those with idiopathic ASD across impairments in communication and social interaction and repetitive behaviour. However, the profile of those who met the threshold for autism was commensurate to those with idiopathic ASD. CONCLUSIONS: ASD phenomenology is common within PMS. Whilst the total sample may display an atypical profile of ASD behaviour, the profile in those who met the threshold for autism was very similar to those with idiopathic ASD. These results are discussed in relation to the wider behavioural phenotype and the emerging evidence of an autism endophenotype in PMS. En ligne : http://dx.doi.org/10.1186/s11689-017-9217-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=350
in Journal of Neurodevelopmental Disorders > 9-1 (December 2017) . - p.37[article] Prospective study of autism phenomenology and the behavioural phenotype of Phelan-McDermid syndrome: comparison to fragile X syndrome, Down syndrome and idiopathic autism spectrum disorder [Texte imprimé et/ou numérique] / C. RICHARDS, Auteur ; L. POWIS, Auteur ; J. MOSS, Auteur ; C. STINTON, Auteur ; L. NELSON, Auteur ; C. OLIVER, Auteur . - p.37.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 9-1 (December 2017) . - p.37
Mots-clés : Autism spectrum disorder Behavioural phenotype Hyperactivity Impulsivity Mood Phelan-McDermid syndrome Repetitive behaviour Shank3 Index. décimale : PER Périodiques Résumé : BACKGROUND: The limited behavioural phenotype literature on Phelan-McDermid syndrome (PMS) indicates atypically high levels of activity, impulsivity and autism spectrum disorder (ASD) behaviours. Divergent profiles of ASD in PMS are also reported, with some studies demonstrating similarities to idiopathic ASD and others indicating an uneven profile of social and communication impairments and repetitive behaviours. An evaluation of the behavioural phenotype of PMS and the prevalence and phenomenology of ASD is warranted, particularly given the causal involvement of the SHANK3 gene in the aetiology of PMS. METHODS: Carers of individuals with PMS (N = 30; mean age = 10.55, SD = 7.08) completed questionnaires relating to impulsivity, overactivity, mood, interest and pleasure, repetitive behaviour and ASD phenomenology. These data were compared to data from matched samples of individuals with fragile X and Down syndromes and idiopathic ASD. In order to evaluate the profile of ASD phenomenology in PMS, two comparisons were made: first, including the total sample with PMS, and second, including only those who met the threshold indicative of autism on an ASD screening measure. RESULTS: The results revealed lower mood in individuals with PMS, but no differences in impulsivity and overactivity. Compulsive and routine-driven repetitive behaviours were less common in the total sample with PMS; however, motor-based stereotyped behaviours were more common. ASD phenomenology was highly prevalent, with 87% of the sample meeting the cutoff score for ASD and 57% meeting the cutoff for autism. The profile of ASD phenomenology in the total sample with PMS differed from those with idiopathic ASD across impairments in communication and social interaction and repetitive behaviour. However, the profile of those who met the threshold for autism was commensurate to those with idiopathic ASD. CONCLUSIONS: ASD phenomenology is common within PMS. Whilst the total sample may display an atypical profile of ASD behaviour, the profile in those who met the threshold for autism was very similar to those with idiopathic ASD. These results are discussed in relation to the wider behavioural phenotype and the emerging evidence of an autism endophenotype in PMS. En ligne : http://dx.doi.org/10.1186/s11689-017-9217-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=350 Self-injury and aggression in tuberous sclerosis complex: cross syndrome comparison and associated risk markers / K. E. EDEN in Journal of Neurodevelopmental Disorders, 6-1 (December 2014)
[article]
Titre : Self-injury and aggression in tuberous sclerosis complex: cross syndrome comparison and associated risk markers Type de document : Texte imprimé et/ou numérique Auteurs : K. E. EDEN, Auteur ; P. J. DE VRIES, Auteur ; J. MOSS, Auteur ; C. RICHARDS, Auteur ; C. OLIVER, Auteur Article en page(s) : p.10 Langues : Anglais (eng) Mots-clés : Asd Aggression Impulsivity Pain Repetitive/stereotyped behaviour Self-injury Tuberous sclerosis complex Index. décimale : PER Périodiques Résumé : BACKGROUND: Research reporting prevalence rates of self-injurious and aggressive behaviour in people with tuberous sclerosis complex (TSC) is limited. No studies have compared rates of these behaviours in TSC with those in other syndrome groups matched for degree of disability or investigated risk markers for these behaviours in TSC. METHODS: Data from the Challenging Behaviour Questionnaire were collected for 37 children, aged 4 to 15 years, with TSC. Odds ratios were used to compare rates of self-injury and aggression in children with TSC with children with idiopathic autism spectrum disorder (ASD), fragile X, Cornelia de Lange and Down syndromes. Characteristics were measured using the Mood Interest and Pleasure Questionnaire, the Activity Questionnaire, the Social Communication Questionnaire, the Repetitive Behaviour Questionnaire, the Wessex Behaviour Schedule and the revised Non-communicating Children Pain Checklist. Mann-Whitney U analyses were used to compare characteristics between individuals with self-injury and aggression and those not showing these behaviours. RESULTS: Rates of self-injury and aggression in TSC were 27% and 50%, respectively. These are high but not significantly different from rates in children with Down syndrome or other syndrome groups. Both self-injury and aggression were associated with stereotyped and pain-related behaviours, low mood, hyperactivity, impulsivity and repetitive use of language. Children who engaged in self-injury also had lower levels of interest and pleasure and showed a greater degree of 'insistence on sameness' than children who did not self-injure. Aggression was associated with repetitive behaviour. The majority of these associations remained significant when the association with level of adaptive functioning was controlled for. CONCLUSIONS: Behavioural profiles can be used to identify those most at risk of developing self-injury and aggression. Further research is warranted to understand the influence of such internal factors as mood, ASD symptomatology and pain on challenging behaviour in people with intellectual disability. En ligne : http://dx.doi.org/10.1186/1866-1955-6-10 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=346
in Journal of Neurodevelopmental Disorders > 6-1 (December 2014) . - p.10[article] Self-injury and aggression in tuberous sclerosis complex: cross syndrome comparison and associated risk markers [Texte imprimé et/ou numérique] / K. E. EDEN, Auteur ; P. J. DE VRIES, Auteur ; J. MOSS, Auteur ; C. RICHARDS, Auteur ; C. OLIVER, Auteur . - p.10.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 6-1 (December 2014) . - p.10
Mots-clés : Asd Aggression Impulsivity Pain Repetitive/stereotyped behaviour Self-injury Tuberous sclerosis complex Index. décimale : PER Périodiques Résumé : BACKGROUND: Research reporting prevalence rates of self-injurious and aggressive behaviour in people with tuberous sclerosis complex (TSC) is limited. No studies have compared rates of these behaviours in TSC with those in other syndrome groups matched for degree of disability or investigated risk markers for these behaviours in TSC. METHODS: Data from the Challenging Behaviour Questionnaire were collected for 37 children, aged 4 to 15 years, with TSC. Odds ratios were used to compare rates of self-injury and aggression in children with TSC with children with idiopathic autism spectrum disorder (ASD), fragile X, Cornelia de Lange and Down syndromes. Characteristics were measured using the Mood Interest and Pleasure Questionnaire, the Activity Questionnaire, the Social Communication Questionnaire, the Repetitive Behaviour Questionnaire, the Wessex Behaviour Schedule and the revised Non-communicating Children Pain Checklist. Mann-Whitney U analyses were used to compare characteristics between individuals with self-injury and aggression and those not showing these behaviours. RESULTS: Rates of self-injury and aggression in TSC were 27% and 50%, respectively. These are high but not significantly different from rates in children with Down syndrome or other syndrome groups. Both self-injury and aggression were associated with stereotyped and pain-related behaviours, low mood, hyperactivity, impulsivity and repetitive use of language. Children who engaged in self-injury also had lower levels of interest and pleasure and showed a greater degree of 'insistence on sameness' than children who did not self-injure. Aggression was associated with repetitive behaviour. The majority of these associations remained significant when the association with level of adaptive functioning was controlled for. CONCLUSIONS: Behavioural profiles can be used to identify those most at risk of developing self-injury and aggression. Further research is warranted to understand the influence of such internal factors as mood, ASD symptomatology and pain on challenging behaviour in people with intellectual disability. En ligne : http://dx.doi.org/10.1186/1866-1955-6-10 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=346 Sleep disorders in rare genetic syndromes: a meta-analysis of prevalence and profile / G. AGAR in Molecular Autism, 12 (2021)
[article]
Titre : Sleep disorders in rare genetic syndromes: a meta-analysis of prevalence and profile Type de document : Texte imprimé et/ou numérique Auteurs : G. AGAR, Auteur ; C. BROWN, Auteur ; D. SUTHERLAND, Auteur ; S. COULBORN, Auteur ; C. OLIVER, Auteur ; C. RICHARDS, Auteur Article en page(s) : 18 p. Langues : Anglais (eng) Mots-clés : Congenital Abnormalities/epidemiology Humans Prevalence Sleep Wake Disorders/epidemiology Syndrome Genetic syndromes Intellectual disability Meta-analysis Sleep disorders Sleep profile Index. décimale : PER Périodiques Résumé : BACKGROUND: Sleep disorders are common in people with intellectual disability (ID) and autism, with growing evidence of diverse sleep profiles across ID associated genetic syndromes. Documenting the prevalence and profile of specific sleep disorders in syndromes will quantify syndrome-driven 'risk', inform prognosis and enhance understanding of aetiology of sleep disorders. METHOD: Following PRISMA guidelines for meta-analysis, we searched Ovid PsycINFO, Ovid MEDLINE, Ovid Embase, Web of Science and PubMed Central with use of syndrome-specific keywords and 60 sleep-related search terms. We screened and extracted papers that reported sleep disorder prevalence data for five or more individuals within a genetic syndrome, and applied quality criteria to produce a quality-effects prevalence model of six types of sleep disorder across nineteen syndromes. Relative risk estimates were calculated for the prevalence of each sleep disorder in each syndrome. RESULTS: Two hundred and seventy three papers were identified, generating 463 prevalence estimates for Angelman, CHARGE, Cornelia de Lange, Down, fragile X, Prader-Willi, Rett, Smith-Magenis and Williams syndromes, mucopolysaccharidoses (MPS disorders), neurofibromatosis and tuberous sclerosis complex. Prevalence estimates were higher in genetic syndromes than published equivalents for typically developing individuals, with few exceptions. Between-syndrome differences for some disorders were evident; sleep-disordered breathing was most prevalent in MPS disorders (72-77%), while excessive daytime sleepiness was highest in Smith-Magenis syndrome (60%). Conversely, insomnia, which was reported at a higher rate than TD estimates in all syndromes except fragile X, was not associated with specific genetic risk. This suggests insomnia could emerge because of the individual's environment or associated developmental delay, rather than any specific genetic syndromes. LIMITATIONS: Due to the broad scope of the meta-analysis, only syndromes previously identified as reporting preliminary sleep research were included. Other syndromes may also experience elevated prevalence rates of specific types of sleep disorder. Only English language papers were included. CONCLUSIONS: Differing prevalence rates between types of sleep disorder suggest differing causal mechanisms, such as cranio-facial morphology in Down and Prader-Willi syndromes and the build-up of mucopolysaccharides in MPS disorders. Priorities for clinical assessment and intervention for sleep disorders are discussed. En ligne : http://dx.doi.org/10.1186/s13229-021-00426-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459
in Molecular Autism > 12 (2021) . - 18 p.[article] Sleep disorders in rare genetic syndromes: a meta-analysis of prevalence and profile [Texte imprimé et/ou numérique] / G. AGAR, Auteur ; C. BROWN, Auteur ; D. SUTHERLAND, Auteur ; S. COULBORN, Auteur ; C. OLIVER, Auteur ; C. RICHARDS, Auteur . - 18 p.
Langues : Anglais (eng)
in Molecular Autism > 12 (2021) . - 18 p.
Mots-clés : Congenital Abnormalities/epidemiology Humans Prevalence Sleep Wake Disorders/epidemiology Syndrome Genetic syndromes Intellectual disability Meta-analysis Sleep disorders Sleep profile Index. décimale : PER Périodiques Résumé : BACKGROUND: Sleep disorders are common in people with intellectual disability (ID) and autism, with growing evidence of diverse sleep profiles across ID associated genetic syndromes. Documenting the prevalence and profile of specific sleep disorders in syndromes will quantify syndrome-driven 'risk', inform prognosis and enhance understanding of aetiology of sleep disorders. METHOD: Following PRISMA guidelines for meta-analysis, we searched Ovid PsycINFO, Ovid MEDLINE, Ovid Embase, Web of Science and PubMed Central with use of syndrome-specific keywords and 60 sleep-related search terms. We screened and extracted papers that reported sleep disorder prevalence data for five or more individuals within a genetic syndrome, and applied quality criteria to produce a quality-effects prevalence model of six types of sleep disorder across nineteen syndromes. Relative risk estimates were calculated for the prevalence of each sleep disorder in each syndrome. RESULTS: Two hundred and seventy three papers were identified, generating 463 prevalence estimates for Angelman, CHARGE, Cornelia de Lange, Down, fragile X, Prader-Willi, Rett, Smith-Magenis and Williams syndromes, mucopolysaccharidoses (MPS disorders), neurofibromatosis and tuberous sclerosis complex. Prevalence estimates were higher in genetic syndromes than published equivalents for typically developing individuals, with few exceptions. Between-syndrome differences for some disorders were evident; sleep-disordered breathing was most prevalent in MPS disorders (72-77%), while excessive daytime sleepiness was highest in Smith-Magenis syndrome (60%). Conversely, insomnia, which was reported at a higher rate than TD estimates in all syndromes except fragile X, was not associated with specific genetic risk. This suggests insomnia could emerge because of the individual's environment or associated developmental delay, rather than any specific genetic syndromes. LIMITATIONS: Due to the broad scope of the meta-analysis, only syndromes previously identified as reporting preliminary sleep research were included. Other syndromes may also experience elevated prevalence rates of specific types of sleep disorder. Only English language papers were included. CONCLUSIONS: Differing prevalence rates between types of sleep disorder suggest differing causal mechanisms, such as cranio-facial morphology in Down and Prader-Willi syndromes and the build-up of mucopolysaccharides in MPS disorders. Priorities for clinical assessment and intervention for sleep disorders are discussed. En ligne : http://dx.doi.org/10.1186/s13229-021-00426-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459 The behavioural phenotype of Potocki-Lupski syndrome: a cross-syndrome comparison / S. BISSELL in Journal of Neurodevelopmental Disorders, 10-1 (December 2018)
[article]
Titre : The behavioural phenotype of Potocki-Lupski syndrome: a cross-syndrome comparison Type de document : Texte imprimé et/ou numérique Auteurs : S. BISSELL, Auteur ; L. WILDE, Auteur ; C. RICHARDS, Auteur ; J. MOSS, Auteur ; C. OLIVER, Auteur Article en page(s) : p.2 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Behavioural phenotype Challenging behaviour Impulsivity Potocki-Lupski syndrome Repetitive behaviour Self-injury Smith-Magenis syndrome Index. décimale : PER Périodiques Résumé : BACKGROUND: Potocki-Lupski syndrome (PTLS) and Smith-Magenis syndrome (SMS) are related genomic disorders, as duplication 17p11.2 (associated with PTLS) is the reciprocal recombination product of the SMS microdeletion. While SMS has a relatively well-delineated behavioural phenotype, the behavioural profile in PTLS is less well defined, despite purported associations with autism spectrum disorder (ASD) and the suggestion that some behaviours may be diametric to those seen in SMS. METHODS: Caregivers of individuals with PTLS (N = 34; M age = 12.43, SD = 6.78) completed online behavioural questionnaires, including the Challenging Behaviour Questionnaire (CBQ), the Activity Questionnaire (TAQ), the Repetitive Behaviour Questionnaire (RBQ), the Mood, Interest and Pleasure Questionnaire-Short Form (MIPQ-S) and the Social Communication Questionnaire (SCQ), which assesses behaviours associated with ASD. Individuals with PTLS were matched on age and adaptive functioning to individuals with SMS (N = 31; M age = 13.61, SD = 6.85) and individuals with idiopathic ASD (N = 33; M age = 12.04, SD = 5.85) from an existing dataset. RESULTS: Individuals with PTLS and SMS were less impaired than those with idiopathic ASD on the communication and reciprocal social interaction subscales of the SCQ, but neither syndrome group differed from idiopathic ASD on the restricted, repetitive and stereotyped behaviours subscale. On the repetitive behaviour measure, individuals with PTLS and idiopathic ASD scored higher than individuals with SMS on the compulsive behaviour subscale. Rates of self-injury and property destruction were significantly lower in PTLS and idiopathic ASD than in SMS. No between-syndrome differences were found in relation to overactivity or mood; however, impulsivity was greater in SMS than in PTLS. CONCLUSIONS: Findings suggest some overlap in the behavioural phenotype of PTLS and features of ASD symptomatology; however, the overall profile of behaviours in PTLS appears to be divergent from both idiopathic ASD and SMS. Relative to idiopathic ASD, PTLS is not characterised by communication or social interaction deficits. However, restricted and repetitive behaviours were evident in PTLS, and these may be characterised specifically by compulsive behaviours. While several behavioural differences were identified between PTLS and SMS, there was little evidence of diametric behavioural phenotypes, particularly in relation to social behaviour. En ligne : http://dx.doi.org/10.1186/s11689-017-9221-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=350
in Journal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.2[article] The behavioural phenotype of Potocki-Lupski syndrome: a cross-syndrome comparison [Texte imprimé et/ou numérique] / S. BISSELL, Auteur ; L. WILDE, Auteur ; C. RICHARDS, Auteur ; J. MOSS, Auteur ; C. OLIVER, Auteur . - p.2.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.2
Mots-clés : Autism spectrum disorder Behavioural phenotype Challenging behaviour Impulsivity Potocki-Lupski syndrome Repetitive behaviour Self-injury Smith-Magenis syndrome Index. décimale : PER Périodiques Résumé : BACKGROUND: Potocki-Lupski syndrome (PTLS) and Smith-Magenis syndrome (SMS) are related genomic disorders, as duplication 17p11.2 (associated with PTLS) is the reciprocal recombination product of the SMS microdeletion. While SMS has a relatively well-delineated behavioural phenotype, the behavioural profile in PTLS is less well defined, despite purported associations with autism spectrum disorder (ASD) and the suggestion that some behaviours may be diametric to those seen in SMS. METHODS: Caregivers of individuals with PTLS (N = 34; M age = 12.43, SD = 6.78) completed online behavioural questionnaires, including the Challenging Behaviour Questionnaire (CBQ), the Activity Questionnaire (TAQ), the Repetitive Behaviour Questionnaire (RBQ), the Mood, Interest and Pleasure Questionnaire-Short Form (MIPQ-S) and the Social Communication Questionnaire (SCQ), which assesses behaviours associated with ASD. Individuals with PTLS were matched on age and adaptive functioning to individuals with SMS (N = 31; M age = 13.61, SD = 6.85) and individuals with idiopathic ASD (N = 33; M age = 12.04, SD = 5.85) from an existing dataset. RESULTS: Individuals with PTLS and SMS were less impaired than those with idiopathic ASD on the communication and reciprocal social interaction subscales of the SCQ, but neither syndrome group differed from idiopathic ASD on the restricted, repetitive and stereotyped behaviours subscale. On the repetitive behaviour measure, individuals with PTLS and idiopathic ASD scored higher than individuals with SMS on the compulsive behaviour subscale. Rates of self-injury and property destruction were significantly lower in PTLS and idiopathic ASD than in SMS. No between-syndrome differences were found in relation to overactivity or mood; however, impulsivity was greater in SMS than in PTLS. CONCLUSIONS: Findings suggest some overlap in the behavioural phenotype of PTLS and features of ASD symptomatology; however, the overall profile of behaviours in PTLS appears to be divergent from both idiopathic ASD and SMS. Relative to idiopathic ASD, PTLS is not characterised by communication or social interaction deficits. However, restricted and repetitive behaviours were evident in PTLS, and these may be characterised specifically by compulsive behaviours. While several behavioural differences were identified between PTLS and SMS, there was little evidence of diametric behavioural phenotypes, particularly in relation to social behaviour. En ligne : http://dx.doi.org/10.1186/s11689-017-9221-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=350 The Persistence of Self-injurious and Aggressive Behavior in Males with Fragile X Syndrome Over 8 Years: A Longitudinal Study of Prevalence and Predictive Risk Markers / Hayley CRAWFORD in Journal of Autism and Developmental Disorders, 49-7 (July 2019)
[article]
Titre : The Persistence of Self-injurious and Aggressive Behavior in Males with Fragile X Syndrome Over 8 Years: A Longitudinal Study of Prevalence and Predictive Risk Markers Type de document : Texte imprimé et/ou numérique Auteurs : Hayley CRAWFORD, Auteur ; E. KARAKATSANI, Auteur ; G. SINGLA, Auteur ; C. OLIVER, Auteur Article en page(s) : p.2913-2922 Langues : Anglais (eng) Mots-clés : Aggression Autism Challenging behavior Early intervention Fragile X syndrome Impulsivity Repetitive behavior Risk markers Self-injurious behavior Index. décimale : PER Périodiques Résumé : Self-injurious and aggressive behaviors are common in fragile X syndrome (FXS). However, little is known about the persistence of these behaviors and associated risk markers. We established the prevalence and persistence of self-injurious and aggressive behaviors over eight years in males with FXS, and associations with risk markers. Results showed 77% and 69% persistence rates for self-injurious and aggressive behavior, respectively. Baseline levels of repetitive behavior predicted persistent self-injurious behavior. Chronological age, impulsivity and overactivity were associated with persistent aggressive behavior but only impulsivity predicted persistence. This is the first study to document the persistence of self-injurious and aggressive behavior in FXS over the medium to long term and to identify behavioral risk markers that might facilitate targeted early intervention. En ligne : http://dx.doi.org/10.1007/s10803-019-04002-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=402
in Journal of Autism and Developmental Disorders > 49-7 (July 2019) . - p.2913-2922[article] The Persistence of Self-injurious and Aggressive Behavior in Males with Fragile X Syndrome Over 8 Years: A Longitudinal Study of Prevalence and Predictive Risk Markers [Texte imprimé et/ou numérique] / Hayley CRAWFORD, Auteur ; E. KARAKATSANI, Auteur ; G. SINGLA, Auteur ; C. OLIVER, Auteur . - p.2913-2922.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-7 (July 2019) . - p.2913-2922
Mots-clés : Aggression Autism Challenging behavior Early intervention Fragile X syndrome Impulsivity Repetitive behavior Risk markers Self-injurious behavior Index. décimale : PER Périodiques Résumé : Self-injurious and aggressive behaviors are common in fragile X syndrome (FXS). However, little is known about the persistence of these behaviors and associated risk markers. We established the prevalence and persistence of self-injurious and aggressive behaviors over eight years in males with FXS, and associations with risk markers. Results showed 77% and 69% persistence rates for self-injurious and aggressive behavior, respectively. Baseline levels of repetitive behavior predicted persistent self-injurious behavior. Chronological age, impulsivity and overactivity were associated with persistent aggressive behavior but only impulsivity predicted persistence. This is the first study to document the persistence of self-injurious and aggressive behavior in FXS over the medium to long term and to identify behavioral risk markers that might facilitate targeted early intervention. En ligne : http://dx.doi.org/10.1007/s10803-019-04002-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=402 Visual preference for social stimuli in individuals with autism or neurodevelopmental disorders: an eye-tracking study / Hayley CRAWFORD in Molecular Autism, 7 (2016)
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