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Auteur Cheryl DISSANAYAKE |
Documents disponibles écrits par cet auteur (81)
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A Prospective Ultrasound Study of Prenatal Growth in Infant Siblings of Children With Autism / Lisa M. UNWIN in Autism Research, 9-2 (February 2016)
[article]
Titre : A Prospective Ultrasound Study of Prenatal Growth in Infant Siblings of Children With Autism Type de document : Texte imprimé et/ou numérique Auteurs : Lisa M. UNWIN, Auteur ; Murray T. MAYBERY, Auteur ; Anthony MURPHY, Auteur ; Wendy LILJE, Auteur ; Michelle BELLESINI, Auteur ; Anna M. HUNT, Auteur ; Joanna GRANICH, Auteur ; Peter JACOBY, Auteur ; Cheryl DISSANAYAKE, Auteur ; Craig E. PENNELL, Auteur ; Martha HICKEY, Auteur ; Andrew J. O. WHITEHOUSE, Auteur Article en page(s) : p.210-216 Langues : Anglais (eng) Mots-clés : infants pediatrics developmental psychology prenatal ultrasound Index. décimale : PER Périodiques Résumé : Numerous studies have observed that a proportion of infants later diagnosed with autism spectrum disorder (ASD) experience accelerated head growth during the first years of life. An emerging methodology for examining the developmental trajectory prior to a diagnosis of ASD is to investigate siblings of affected individuals. The current study is the first prospective investigation of fetal growth in siblings of children with ASD. Two groups of pregnant women were recruited as part of the PRegnancy Investigation of Siblings and Mothers of children with autism cohort in Perth, Western Australia. The “high risk” group (n?=?23) comprised pregnant women who have an existing child with a diagnosis of ASD and the “low risk” group (n?=?36) comprised pregnant mothers who have an existing child who has developed typically. Prenatal ultrasounds were procured at multiple time-points throughout the second- and third-trimesters, enabling an examination of growth trajectories. Growth measurements were then compared for the high- and low-risk fetuses. Mixed linear regression models identified no significant differences between the high- and low-risk fetuses in the rate of prenatal head and body growth throughout the second- and third-trimester (all P-values >0.05). Similarly, there were no significant differences observed when comparing high and low risk groups on a ratio of head circumference relative to body size (??=??0.019, P = 0.75). Future studies may consider looking beyond the macro architecture of the prenatal brain and examine the growth of brain subregions that have been implicated in the presentation of ASD symptoms. En ligne : http://dx.doi.org/10.1002/aur.1518 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282
in Autism Research > 9-2 (February 2016) . - p.210-216[article] A Prospective Ultrasound Study of Prenatal Growth in Infant Siblings of Children With Autism [Texte imprimé et/ou numérique] / Lisa M. UNWIN, Auteur ; Murray T. MAYBERY, Auteur ; Anthony MURPHY, Auteur ; Wendy LILJE, Auteur ; Michelle BELLESINI, Auteur ; Anna M. HUNT, Auteur ; Joanna GRANICH, Auteur ; Peter JACOBY, Auteur ; Cheryl DISSANAYAKE, Auteur ; Craig E. PENNELL, Auteur ; Martha HICKEY, Auteur ; Andrew J. O. WHITEHOUSE, Auteur . - p.210-216.
Langues : Anglais (eng)
in Autism Research > 9-2 (February 2016) . - p.210-216
Mots-clés : infants pediatrics developmental psychology prenatal ultrasound Index. décimale : PER Périodiques Résumé : Numerous studies have observed that a proportion of infants later diagnosed with autism spectrum disorder (ASD) experience accelerated head growth during the first years of life. An emerging methodology for examining the developmental trajectory prior to a diagnosis of ASD is to investigate siblings of affected individuals. The current study is the first prospective investigation of fetal growth in siblings of children with ASD. Two groups of pregnant women were recruited as part of the PRegnancy Investigation of Siblings and Mothers of children with autism cohort in Perth, Western Australia. The “high risk” group (n?=?23) comprised pregnant women who have an existing child with a diagnosis of ASD and the “low risk” group (n?=?36) comprised pregnant mothers who have an existing child who has developed typically. Prenatal ultrasounds were procured at multiple time-points throughout the second- and third-trimesters, enabling an examination of growth trajectories. Growth measurements were then compared for the high- and low-risk fetuses. Mixed linear regression models identified no significant differences between the high- and low-risk fetuses in the rate of prenatal head and body growth throughout the second- and third-trimester (all P-values >0.05). Similarly, there were no significant differences observed when comparing high and low risk groups on a ratio of head circumference relative to body size (??=??0.019, P = 0.75). Future studies may consider looking beyond the macro architecture of the prenatal brain and examine the growth of brain subregions that have been implicated in the presentation of ASD symptoms. En ligne : http://dx.doi.org/10.1002/aur.1518 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282 Reactivity to fearful expressions of familiar and unfamiliar people in children with autism: an eye-tracking pupillometry study / H. J. NUSKE in Journal of Neurodevelopmental Disorders, 6-1 (December 2014)
[article]
Titre : Reactivity to fearful expressions of familiar and unfamiliar people in children with autism: an eye-tracking pupillometry study Type de document : Texte imprimé et/ou numérique Auteurs : H. J. NUSKE, Auteur ; G. VIVANTI, Auteur ; Cheryl DISSANAYAKE, Auteur Article en page(s) : p.14 Langues : Anglais (eng) Mots-clés : Autism Emotion Eye-tracking Familiarity Physiological reactivity Pupillometry Response latency Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with autism are often reported to have difficulty with emotion processing. However, clinical and experimental data show that they are sensitive to familiarity; for example, they show normative attachment to familiar people, and have normative brain activity in response to familiar faces. To date, no study has measured their reactivity to the emotions of familiar vs. unfamiliar people. Thus, our aim was to determine whether individuals with autism would show normative reactivity to emotion in familiar people. METHODS: Participants were 21 children with autism and 21 children with typical development, aged two to five years, matched on age and gender. The children observed videos of familiar people (their child-care teachers) and unfamiliar people expressing fear, whilst their visual attention and pupillary reactions were recorded (the latter as an index of emotional reactivity), using eye tracking technology. RESULTS: The children with autism showed normative pupillary reactions (peak magnitude) to fear expressed by familiar people, but a reduced response to fear expressed by unfamiliar people. However, across familiarity conditions, the children with autism had longer latency peak responses than the typically developing children. This pattern of findings was independent of cognitive factors or visual attention as visual attention by group was not related to familiarity condition. The children with autism had reduced visual attention to neutral faces; however, on fearful faces there were no group differences. Abnormalities in pupillary reactivity in the autism group were related to less prosocial behaviour and more severe play and communication deficits. CONCLUSIONS: Children with autism were less atypical in their responses to fearful expressions of people they know, arguing against a pervasive emotional impairment in autism, but rather one that may be mediated by familiarity. En ligne : http://dx.doi.org/10.1186/1866-1955-6-14 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.14[article] Reactivity to fearful expressions of familiar and unfamiliar people in children with autism: an eye-tracking pupillometry study [Texte imprimé et/ou numérique] / H. J. NUSKE, Auteur ; G. VIVANTI, Auteur ; Cheryl DISSANAYAKE, Auteur . - p.14.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 6-1 (December 2014) . - p.14
Mots-clés : Autism Emotion Eye-tracking Familiarity Physiological reactivity Pupillometry Response latency Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with autism are often reported to have difficulty with emotion processing. However, clinical and experimental data show that they are sensitive to familiarity; for example, they show normative attachment to familiar people, and have normative brain activity in response to familiar faces. To date, no study has measured their reactivity to the emotions of familiar vs. unfamiliar people. Thus, our aim was to determine whether individuals with autism would show normative reactivity to emotion in familiar people. METHODS: Participants were 21 children with autism and 21 children with typical development, aged two to five years, matched on age and gender. The children observed videos of familiar people (their child-care teachers) and unfamiliar people expressing fear, whilst their visual attention and pupillary reactions were recorded (the latter as an index of emotional reactivity), using eye tracking technology. RESULTS: The children with autism showed normative pupillary reactions (peak magnitude) to fear expressed by familiar people, but a reduced response to fear expressed by unfamiliar people. However, across familiarity conditions, the children with autism had longer latency peak responses than the typically developing children. This pattern of findings was independent of cognitive factors or visual attention as visual attention by group was not related to familiarity condition. The children with autism had reduced visual attention to neutral faces; however, on fearful faces there were no group differences. Abnormalities in pupillary reactivity in the autism group were related to less prosocial behaviour and more severe play and communication deficits. CONCLUSIONS: Children with autism were less atypical in their responses to fearful expressions of people they know, arguing against a pervasive emotional impairment in autism, but rather one that may be mediated by familiarity. En ligne : http://dx.doi.org/10.1186/1866-1955-6-14 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=346 School Age Outcomes of Children Diagnosed Early and Later with Autism Spectrum Disorder / Megan L. E. CLARK in Journal of Autism and Developmental Disorders, 48-1 (January 2018)
[article]
Titre : School Age Outcomes of Children Diagnosed Early and Later with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Megan L. E. CLARK, Auteur ; Z. VINEN, Auteur ; Josephine BARBARO, Auteur ; Cheryl DISSANAYAKE, Auteur Article en page(s) : p.92-102 Langues : Anglais (eng) Mots-clés : Behaviour Cognition Early and later diagnosis Outcomes School age Index. décimale : PER Périodiques Résumé : Early diagnosis of Autism Spectrum Disorder is considered best practice, increasing access to early intervention. Yet, many children are diagnosed after 3-years. The current study investigated the school age outcomes of children who received an early and later diagnosis of ASD. The cognitive and behavioural outcomes of children diagnosed early (n = 48), were compared to children diagnosed after 3-years (n = 37). Children diagnosed early accessed more intervention, demonstrated better verbal and overall cognition at school age, were more likely to attend mainstream school and required less ongoing support than children diagnosed later. Behavioural differences were not found between groups. Earlier diagnosis is important and is likely to promote more positive outcomes at school age due to increased opportunity for EI. En ligne : https://doi.org/10.1007/s10803-017-3279-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=336
in Journal of Autism and Developmental Disorders > 48-1 (January 2018) . - p.92-102[article] School Age Outcomes of Children Diagnosed Early and Later with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Megan L. E. CLARK, Auteur ; Z. VINEN, Auteur ; Josephine BARBARO, Auteur ; Cheryl DISSANAYAKE, Auteur . - p.92-102.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-1 (January 2018) . - p.92-102
Mots-clés : Behaviour Cognition Early and later diagnosis Outcomes School age Index. décimale : PER Périodiques Résumé : Early diagnosis of Autism Spectrum Disorder is considered best practice, increasing access to early intervention. Yet, many children are diagnosed after 3-years. The current study investigated the school age outcomes of children who received an early and later diagnosis of ASD. The cognitive and behavioural outcomes of children diagnosed early (n = 48), were compared to children diagnosed after 3-years (n = 37). Children diagnosed early accessed more intervention, demonstrated better verbal and overall cognition at school age, were more likely to attend mainstream school and required less ongoing support than children diagnosed later. Behavioural differences were not found between groups. Earlier diagnosis is important and is likely to promote more positive outcomes at school age due to increased opportunity for EI. En ligne : https://doi.org/10.1007/s10803-017-3279-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=336 School Age Outcomes of Children with Autism Spectrum Disorder Who Received Community-Based Early Interventions / Z. VINEN in Journal of Autism and Developmental Disorders, 48-5 (May 2018)
[article]
Titre : School Age Outcomes of Children with Autism Spectrum Disorder Who Received Community-Based Early Interventions Type de document : Texte imprimé et/ou numérique Auteurs : Z. VINEN, Auteur ; M. CLARK, Auteur ; J. PAYNTER, Auteur ; Cheryl DISSANAYAKE, Auteur Article en page(s) : p.1673-1683 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Community Early Start Denver Model Early intervention Long-term School age Index. décimale : PER Périodiques Résumé : This study followed children with Autism Spectrum Disorder (ASD) from early intervention into their early schooling years, when they were aged between 6 and 9 years, on autism symptom severity and cognitive functioning. The children, matched at pre-intervention, were compared on type of community provided service: 31 were in receipt of community-based group Early Start Denver Model and 28 had received other community provisions for ASD. Irrespective of groups, cognitive functioning was found to have significantly improved by school age compared to pre-intervention. Autism symptom severity increased during the same developmental period, seemingly driven by an increase in restricted and repetitive behaviours over time. In contrast, both groups displayed improved social affect by school age. En ligne : http://dx.doi.org/10.1007/s10803-017-3414-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1673-1683[article] School Age Outcomes of Children with Autism Spectrum Disorder Who Received Community-Based Early Interventions [Texte imprimé et/ou numérique] / Z. VINEN, Auteur ; M. CLARK, Auteur ; J. PAYNTER, Auteur ; Cheryl DISSANAYAKE, Auteur . - p.1673-1683.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1673-1683
Mots-clés : Autism spectrum disorder Community Early Start Denver Model Early intervention Long-term School age Index. décimale : PER Périodiques Résumé : This study followed children with Autism Spectrum Disorder (ASD) from early intervention into their early schooling years, when they were aged between 6 and 9 years, on autism symptom severity and cognitive functioning. The children, matched at pre-intervention, were compared on type of community provided service: 31 were in receipt of community-based group Early Start Denver Model and 28 had received other community provisions for ASD. Irrespective of groups, cognitive functioning was found to have significantly improved by school age compared to pre-intervention. Autism symptom severity increased during the same developmental period, seemingly driven by an increase in restricted and repetitive behaviours over time. In contrast, both groups displayed improved social affect by school age. En ligne : http://dx.doi.org/10.1007/s10803-017-3414-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355 Severity of Autism is Related to Children's Language Processing / Edith L. BAVIN in Autism Research, 7-6 (December 2014)
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Titre : Severity of Autism is Related to Children's Language Processing Type de document : Texte imprimé et/ou numérique Auteurs : Edith L. BAVIN, Auteur ; Evan KIDD, Auteur ; Luke A. PRENDERGAST, Auteur ; Emma K. BAKER, Auteur ; Cheryl DISSANAYAKE, Auteur ; Margot PRIOR, Auteur Article en page(s) : p.687-694 Langues : Anglais (eng) Mots-clés : lexical processing severity of ASD eye tracking children Index. décimale : PER Périodiques Résumé : Problems in language processing have been associated with autism spectrum disorder (ASD), with some research attributing the problems to overall language skills rather than a diagnosis of ASD. Lexical access was assessed in a looking-while-listening task in three groups of 5- to 7-year-old children; two had high-functioning ASD (HFA), an ASD severe (ASD-S) group (n?=?16) and an ASD moderate (ASD-M) group (n?=?21). The third group were typically developing (TD) (n?=?48). Participants heard sentences of the form “Where's the x?” and their eye movements to targets (e.g., train), phonological competitors (e.g., tree), and distractors were recorded. Proportions of looking time at target were analyzed within 200?ms intervals. Significant group differences were found between the ASD-S and TD groups only, at time intervals 1000–1200 and 1200–1400?ms postonset. The TD group was more likely to be fixated on target. These differences were maintained after adjusting for language, verbal and nonverbal IQ, and attention scores. An analysis using parent report of autistic-like behaviors showed higher scores to be associated with lower proportions of looking time at target, regardless of group. Further analysis showed fixation for the TD group to be significantly faster than for the ASD-S. In addition, incremental processing was found for all groups. The study findings suggest that severity of autistic behaviors will impact significantly on children's language processing in real life situations when exposed to syntactically complex material. They also show the value of using online methods for understanding how young children with ASD process language. En ligne : http://dx.doi.org/10.1002/aur.1410 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=256
in Autism Research > 7-6 (December 2014) . - p.687-694[article] Severity of Autism is Related to Children's Language Processing [Texte imprimé et/ou numérique] / Edith L. BAVIN, Auteur ; Evan KIDD, Auteur ; Luke A. PRENDERGAST, Auteur ; Emma K. BAKER, Auteur ; Cheryl DISSANAYAKE, Auteur ; Margot PRIOR, Auteur . - p.687-694.
Langues : Anglais (eng)
in Autism Research > 7-6 (December 2014) . - p.687-694
Mots-clés : lexical processing severity of ASD eye tracking children Index. décimale : PER Périodiques Résumé : Problems in language processing have been associated with autism spectrum disorder (ASD), with some research attributing the problems to overall language skills rather than a diagnosis of ASD. Lexical access was assessed in a looking-while-listening task in three groups of 5- to 7-year-old children; two had high-functioning ASD (HFA), an ASD severe (ASD-S) group (n?=?16) and an ASD moderate (ASD-M) group (n?=?21). The third group were typically developing (TD) (n?=?48). Participants heard sentences of the form “Where's the x?” and their eye movements to targets (e.g., train), phonological competitors (e.g., tree), and distractors were recorded. Proportions of looking time at target were analyzed within 200?ms intervals. Significant group differences were found between the ASD-S and TD groups only, at time intervals 1000–1200 and 1200–1400?ms postonset. The TD group was more likely to be fixated on target. These differences were maintained after adjusting for language, verbal and nonverbal IQ, and attention scores. An analysis using parent report of autistic-like behaviors showed higher scores to be associated with lower proportions of looking time at target, regardless of group. Further analysis showed fixation for the TD group to be significantly faster than for the ASD-S. In addition, incremental processing was found for all groups. The study findings suggest that severity of autistic behaviors will impact significantly on children's language processing in real life situations when exposed to syntactically complex material. They also show the value of using online methods for understanding how young children with ASD process language. En ligne : http://dx.doi.org/10.1002/aur.1410 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=256 Skeletal Growth Dysregulation in Australian Male Infants and Toddlers With Autism Spectrum Disorder / C. C. GREEN in Autism Research, 11-6 (June 2018)
PermalinkSocial affiliation motives modulate spontaneous learning in Williams syndrome but not in autism / G. VIVANTI in Molecular Autism, 7 (2016)
PermalinkSocial and Behavioural Outcomes of School Aged Autistic Children Who Received Community-Based Early Interventions / Zoe VINEN in Journal of Autism and Developmental Disorders, 53-5 (May 2023)
PermalinkSocial and Cardiac Responses of Young Children with Autism / Marian SIGMAN in Autism, 7-2 (June 2003)
PermalinkSocial Attention, Joint Attention and Sustained Attention in Autism Spectrum Disorder and Williams Syndrome: Convergences and Divergences / Giacomo VIVANTI in Journal of Autism and Developmental Disorders, 47-6 (June 2017)
PermalinkSpoken Language Change in Children on the Autism Spectrum Receiving Community-Based Interventions / David TREMBATH ; Matt Stainer ; Teena CAITHNESS ; Cheryl DISSANAYAKE ; Valsamma EAPEN ; Kathryn FORDYCE ; Veronica FREWER ; Grace FROST ; Kristelle HUDRY ; Teresa IACONO ; Nicole MAHLER ; Anne MASI ; Jessica PAYNTER ; Katherine PYE ; Shannon Quan ; Leanne Shellshear ; Rebecca SUTHERLAND ; Stephanie SIEVERS ; Abirami THIRUMANICKAM ; Marleen F. WESTERVELD ; Madonna TUCKER in Journal of Autism and Developmental Disorders, 53-6 (June 2023)
PermalinkStress and Family Quality of Life in Parents of Children with Autism Spectrum Disorder: Parent Gender and the Double ABCX Model / Rebecca L. MCSTAY in Journal of Autism and Developmental Disorders, 44-12 (December 2014)
PermalinkSubgroups of Temperament Associated with Social-Emotional Difficulties in Infants with Early Signs of Autism / Lacey CHETCUTI in Autism Research, 13-12 (December 2020)
PermalinkThe association between COVID-19, personal wellbeing, depression, and suicide risk factors in Australian autistic adults / D. HEDLEY in Autism Research, 14-12 (December 2021)
PermalinkThe Early Development of Joint Attention in Infants with Autistic Disorder Using Home Video Observations and Parental Interview / Sally M. CLIFFORD in Journal of Autism and Developmental Disorders, 38-5 (May 2008)
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