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Pichardo JM, Foley-Nicpon M, Fields D, Hong JE, Court. Exploratory Factor Analysis of the Social Communication Disorder Screener. J Autism Dev Disord 2024; 54:3412-3422. [PMID: 37642878 DOI: 10.1007/s10803-023-06076-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2023] [Indexed: 08/31/2023]
Abstract
Currently, there are no existing measures to screen for or diagnose Social (Pragmatic) Communication Disorder (SPCD). We conducted an exploratory factor analysis (EFA) of the Social Communication Disorder Screener (SCDS), a 14-item, parent-report measure based on the DSM-5 diagnostic criteria for SPCD. This EFA examined the internal consistency and factor structure of the SCDS for a sample of 500 parents of children, ages 5-18 years, representative of the U.S. census. Results yielded a correlated three-factor solution with good internal consistency reliability. Findings supported the presence of three subscale as well as the derivation of a total composite score reflecting overall verbal and non-verbal communication and limitations across contexts. Clinical and research implications are discussed.
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Affiliation(s)
- Jesus M Pichardo
- Psychological and Quantitative Foundations, University of Iowa, Iowa City, IA, 52242, USA.
| | - Megan Foley-Nicpon
- Psychological and Quantitative Foundations, University of Iowa, Iowa City, IA, 52242, USA
| | - Danae Fields
- Psychological and Quantitative Foundations, University of Iowa, Iowa City, IA, 52242, USA
| | - Jung Eui Hong
- Psychological and Quantitative Foundations, University of Iowa, Iowa City, IA, 52242, USA
| | - Court
- Psychological and Quantitative Foundations, University of Iowa, Iowa City, IA, 52242, USA
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2
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Coutelle R, Coulon N, Schröder CM, Putois O. Investigating the borders of autism spectrum disorder: lessons from the former diagnosis of pervasive developmental disorder not otherwise specified. Front Psychiatry 2023; 14:1149580. [PMID: 38173703 PMCID: PMC10762794 DOI: 10.3389/fpsyt.2023.1149580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024] Open
Abstract
Introduction Autism Spectrum Disorder (ASD) diagnosis is relatively consensual in typical forms. The margins of the spectrum and their degree of extension, however, are controversial. This has far-reaching implications, which extend beyond theoretical considerations: first, peripheral forms of autism are more prevalent than central forms; second, we do not know how relevant typical-targeted recommendations are for atypical forms. In DSM-IV-TR, these margins of autism were studied within the category of Pervasive Developmental Disorder - Not Otherwise Specified (PDD-NOS). In spite of its low reliability, this former diagnosis was of particular interest to shed light on the gray area of margins. The aim of this systematic is therefore to investigate the clinical characteristics of PDD-NOS in comparison with Autistic Disorder. Method A stepwise systematic PRISMA literature review was conducted by searching PubMed and Web Of Science databases to select corresponding studies. Results The systematic review included 81 studies comprising 6,644 children with PDD-NOS. Cross-sectional and longitudinal studies comparing PDD-NOS and AD showed that PDD-NOS corresponds to milder form of autism with less impact and less associated disorder, with the exception of schizophrenia and mood disorder. Discussion Our review challenges initial views of PDD-NOS, and shows the clinical relevance of this diagnosis when dealing with the margins of autism, and the de facto diversity included in the spectrum. However, in view of the many limitations of PDD-NOS (low reliability, instability through time, low acceptability), we suggest taxonomic changes in DSM-5: we introduce a new category based on three main dimensions related to socialization impairment, emotional lability and psychotic symptoms. Conclusion Our review argues for a distinction between AD and PDD-NOS on clinical characteristics and thus highlights the need to study the margins of autism. While the limitations of the PDD-NOS category made it irrelevant to investigate these margins from a research perspective, we believe that a multidimensional approach for mental health professionals taping socialization, emotion lability and psychotic symptoms would be interesting. Our review therefore encourage future studies to test relevant criteria for a new category and possibly identify developmental trajectories, specific interventions and treatments.
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Affiliation(s)
- Romain Coutelle
- Hôpitaux Universitaires de Strasbourg, Department of Psychiatry, University of Strasbourg, Strasbourg, France
- INSERM 1114, Strasbourg, France
| | - Nathalie Coulon
- TSA-SDI Expert Center and Psychosocial Rehabilitation Reference Center, Alpes Isère Hospital (Saint-Egrève Psychiatric Hospital), Grenoble, France
| | - Carmen M. Schröder
- Hôpitaux Universitaires de Strasbourg, Department of Psychiatry, University of Strasbourg, Strasbourg, France
- CNRS UPR 3212, Strasbourg, France
| | - Olivier Putois
- Hôpitaux Universitaires de Strasbourg, Department of Psychiatry, University of Strasbourg, Strasbourg, France
- SuLiSoM UR 3071, Faculté de Psychologie, Université de Strasbourg, Strasbourg, France
- Institut d’Immunologie et d’Hématologie, Institut Thématique Interdisciplinaire TRANSPLANTEX NG, Université de Strasbourg, Strasbourg, France
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3
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Cleary DB, Maybery MT, Green C, Whitehouse AJO. The first six months of life: A systematic review of early markers associated with later autism. Neurosci Biobehav Rev 2023; 152:105304. [PMID: 37406749 DOI: 10.1016/j.neubiorev.2023.105304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 06/02/2023] [Accepted: 07/02/2023] [Indexed: 07/07/2023]
Abstract
There is now good evidence that behavioural signs of autism spectrum conditions (autism) emerge over the first two years of life. Identifying clear developmental differences early in life may facilitate earlier identification and intervention that can promote longer-term quality of life. Here we present a systematic review of studies investigating behavioural markers of later autism diagnosis or symptomology taken at 0-6 months. The following databases were searched for articles published between 01/01/2000 and 15/03/2022: Embase, Medline, Scopus, PubMed, PsycINFO, CINAHL, Web of Science and Proquest. Twenty-five studies met inclusion criteria: assessment of behaviour at 0-6 months and later assessment of autism symptomology or diagnosis. Studies examined behaviours of attention, early social and communication behaviours, and motor behaviours, as well as composite measures. Findings indicated some evidence of measures of general attention, attention to social stimuli, and motor behaviours associated with later autism diagnosis or symptomology. Findings were inconsistent regarding social and communication behaviours, with a lack of repeated or validated measures limiting drawing firm conclusions. We discuss implications of the findings and suggest recommendations for future research.
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Affiliation(s)
- Dominique B Cleary
- Telethon Kids Institute, The University of Western Australia, Australia; School of Psychological Science, The University of Western Australia, Australia.
| | - Murray T Maybery
- School of Psychological Science, The University of Western Australia, Australia
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4
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Koceski A, Smith CJ, Syed YA, Trajkovski V. Understanding the Relationship between Distress Behaviour and Health Status of People with Autism Spectrum Disorder. Healthcare (Basel) 2023; 11:healthcare11111565. [PMID: 37297706 DOI: 10.3390/healthcare11111565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/30/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023] Open
Abstract
Autism Spectrum Disorder (ASD) is associated with complex distress and challenging behaviours that have a negative impact on the everyday life of those with ASD, as well as their parents and carers. These challenging behaviours include negative emotional behaviours, motor behaviours, and changes in routines. Even though challenging behaviours occur in most subjects with ASD, the cause of these largely remains unknown. It has been implicated that these challenging behaviours are associated with a change in the health of those with ASD. More research needs to be conducted that can establish a direct association. Towards this goal, the present study aimed to explore whether health status had an impact on the distressing behaviour in the subjects diagnosed with ASD. We analysed the response from the parents/carers in a Macedonian population of those with ASD, to determine which challenging behaviours were most likely to be observed during a change in health. Based on a scoring system, the manifestation of challenging behaviour was evaluated and compared with the changes in health. Changes in appetite or dietary preferences, irritability and low mood, and loss of previously acquired skills had the greatest association with a change in health. These findings provide early insight into types of challenging behaviours that are directly associated with a change in health. Our results demonstrate a relationship between health status and challenging behaviour in the subject with autism, suggesting that caregivers may need to consider this when choosing strategies for managing challenging behaviour.
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Affiliation(s)
- Antonio Koceski
- Primary School "Blaze Koneski", 7500 Prilep, North Macedonia
| | - Callum J Smith
- Neuroscience and Mental Health Innovation Institute, Hadyn Ellis Building, Cardiff CF24 4HQ, UK
- School of Bioscience, Cardiff University, The Sir Martin Evans Building, Museum Ave., Cardiff CF10 3AX, UK
| | - Yasir Ahmed Syed
- Neuroscience and Mental Health Innovation Institute, Hadyn Ellis Building, Cardiff CF24 4HQ, UK
- School of Bioscience, Cardiff University, The Sir Martin Evans Building, Museum Ave., Cardiff CF10 3AX, UK
| | - Vladimir Trajkovski
- Macedonian Scientific Society for Autism, Institute of Special Education and Institute of Special Education and Rehabilitation, Faculty of Philosophy, University "Ss. Cyril and Methodius", 1000 Skopje, North Macedonia
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5
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Chaxiong P, Dimian AF, Wolff JJ. Restricted and repetitive behavior in children with autism during the first three years of life: A systematic review. Front Psychol 2022; 13:986876. [PMID: 36389482 PMCID: PMC9661964 DOI: 10.3389/fpsyg.2022.986876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/06/2022] [Indexed: 09/19/2023] Open
Abstract
Restricted and repetitive behavior (RRB) is a core diagnostic feature of autism spectrum disorder (ASD). Previous research shows that RRB is prevalent early in life and observed in neurotypical development as well. Less is known, however, about early RRB patterns, developmental trajectories, and the relation to outcomes for autistic children. The purpose of this systematic review was to synthesize findings from studies examining RRB in autistic children from birth through age 3. A detailed protocol was designed a priori based on PRISMA guidelines for systematic reviews. From the published literature, 41 peer reviewed journal articles were identified and included in this review. Our synthesis of the literature suggests that differences in RRB are evident prior to age 2 in children with or who go onto be diagnosed with autism. These differences were evident for both frequency and intensity of RRB across multiple topographies. There were mixed results regarding functional outcomes associated with early RRB, such as cognitive and adaptive behavior, though relations appeared to become stronger as children aged beyond toddlerhood. Notably, level of RRB appears unrelated to autism severity in young autistic children. A wide range of RRB have been reported to be elevated in autistic children during the first years of life, including repetitive motor behaviors, atypical sensory behaviors, insistence on sameness (IS), and self-injurious behaviors (SIBs). In contrast to studies of older children, RRB in very young autistic children do not appear to be associated with functional outcomes but may be valuable to include in early screening efforts. Systematic review registration https://osf.io/huzf3, unique identifier: doi: 10.17605/OSF.IO/HUZF3.
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Affiliation(s)
- Pang Chaxiong
- Department of Educational Psychology, University of Minnesota, Minneapolis, MN, United States
| | - Adele F. Dimian
- Institute on Community Integration, University of Minnesota, Minneapolis, MN, United States
| | - Jason J. Wolff
- Department of Educational Psychology, University of Minnesota, Minneapolis, MN, United States
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6
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Canu D, Ioannou C, Müller K, Martin B, Fleischhaker C, Biscaldi M, Beauducel A, Smyrnis N, van Elst LT, Klein C. Visual search in neurodevelopmental disorders: evidence towards a continuum of impairment. Eur Child Adolesc Psychiatry 2022; 31:1-18. [PMID: 33751240 PMCID: PMC9343296 DOI: 10.1007/s00787-021-01756-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/08/2021] [Indexed: 02/07/2023]
Abstract
Disorders with neurodevelopmental aetiology such as Attention-Deficit/Hyperactivity Disorder (ADHD), Autism Spectrum Disorder (ASD) and Schizophrenia share commonalities at many levels of investigation despite phenotypic differences. Evidence of genetic overlap has led to the concept of a continuum of neurodevelopmental impairment along which these disorders can be positioned in aetiological, pathophysiological and developmental features. This concept requires their simultaneous comparison at different levels, which has not been accomplished so far. Given that cognitive impairments are core to the pathophysiology of these disorders, we provide for the first time differentiated head-to-head comparisons in a complex cognitive function, visual search, decomposing the task with eye movement-based process analyses. N = 103 late-adolescents with schizophrenia, ADHD, ASD and healthy controls took a serial visual search task, while their eye movements were recorded. Patients with schizophrenia presented the greatest level of impairment across different phases of search, followed by patients with ADHD, who shared with patients with schizophrenia elevated intra-subject variability in the pre-search stage. ASD was the least impaired group, but similar to schizophrenia in post-search processes and to schizophrenia and ADHD in pre-search processes and fixation duration while scanning the items. Importantly, the profiles of deviancy from controls were highly correlated between all three clinical groups, in line with the continuum idea. Findings suggest the existence of one common neurodevelopmental continuum of performance for the three disorders, while quantitative differences appear in the level of impairment. Given the relevance of cognitive impairments in these three disorders, we argue in favour of overlapping pathophysiological mechanisms.
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Affiliation(s)
- Daniela Canu
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Chara Ioannou
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Katarina Müller
- Psychotherapeutisches Wohnheim für junge Menschen Leppermühle, Buseck, Germany
| | - Berthold Martin
- Psychotherapeutisches Wohnheim für junge Menschen Leppermühle, Buseck, Germany
| | - Christian Fleischhaker
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Monica Biscaldi
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | | | - Nikolaos Smyrnis
- 2nd Psychiatry Department, National and Kapodistrian University of Athens, Medical School, University General Hospital "ATTIKON", Athens, Greece
| | - Ludger Tebartz van Elst
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christoph Klein
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
- 2nd Psychiatry Department, National and Kapodistrian University of Athens, Medical School, University General Hospital "ATTIKON", Athens, Greece.
- Department of Child and Adolescent Psychiatry, Medical Faculty, University of Cologne, Cologne, Germany.
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7
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Use of selective serotonin and norepinephrine reuptake inhibitors (SNRIs) in the treatment of autism spectrum disorder (ASD), comorbid psychiatric disorders and ASD-associated symptoms: a clinical review. CNS Spectr 2022; 27:290-297. [PMID: 33280640 DOI: 10.1017/s109285292000214x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
It is challenging to treat symptoms of autism spectrum disorder (ASD), comorbid psychiatric disorders and ASD-associated symptoms. Some of the commonly used medications to treat these can, and frequently do have serious adverse side effects. Therefore, it is important to identify medications that are effective and with fewer side effects and negative outcomes. In this review, we looked at current evidence available for using the serotonin and norepinephrine reuptake inhibitors (SNRIs) class of medications in treating some of these often difficult to treat symptoms and behaviors. An extensive literature search was conducted using EBSCO.host. Our search algorithm identified 130 articles, 6 of which were deemed to meet criteria for the purpose of this review. Each of these six articles was independently reviewed and critically appraised. As a prototype of the SNRIs family, venlafaxine was found to be a useful adjuvant in children and adults with ASD for the treatment of self-injurious behaviors, aggression, and ADHD symptoms when used in doses lower than its antidepressant dosage. However, duloxetine was not found to show any added benefit in treatment of any of the comorbid symptoms and behaviors in ASD when compared to other antidepressants. On the other hand, milnacipran was reported to produce improvements in impulsivity, hyperactivity symptoms, and social functioning through reduction of inattention of ADHD when comorbid with ASD. Overall, SNRIs were shown variable effectiveness in treatment of these comorbid symptoms and behaviors in ASD.
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8
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Esposito M, Dipierro MT, Mondani F, Iurato G, Mirizzi P, Mazza M, Valenti M. Stimulus-Stimulus-Pairing to Reduce Stereotypies in Three Children with Autism during Movie Watching. Behav Sci (Basel) 2021; 11:165. [PMID: 34940100 PMCID: PMC8698724 DOI: 10.3390/bs11120165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/10/2021] [Accepted: 11/21/2021] [Indexed: 11/17/2022] Open
Abstract
Autism spectrum disorders represent a challenge for professionals, who must include in their individualized educational interventions goals for core symptoms (social-communication and stereotypies/restricted interests) and comorbidities. The narrowness of interests and the high frequency of repetitive behaviors in children with autism often constitute an obstacle for learning and the quality of life, and for their caregivers as well. In the scientific literature, behavioral interventions based on both aversive and, less commonly, positive procedures have been implemented to reduce the frequency of stereotypies. The following study was carried out with the intention of replicating a Stimulus-Stimulus Pairing procedure applied by Nuzzolo-Gomez, Leonard, Ortiz, Rivera and Greer (2002) in order to reduce stereotypies in children. This procedure was applied to three children diagnosed with autism aged five, almost six and seven years, in order to reduce stereotypies when children watched movies. An A-B-A experimental design with three subjects was used for this research. The results showed a decrease in stereotypies in favor of appropriate behaviors.
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Affiliation(s)
- Marco Esposito
- Department of Applied Clinical Sciences and Biotechnology, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Maria Teresa Dipierro
- Autism Research and Treatment Centre, Una Breccia Nel Muro, 00168 Roma, Italy; (M.T.D.); (F.M.)
| | - Federica Mondani
- Autism Research and Treatment Centre, Una Breccia Nel Muro, 00168 Roma, Italy; (M.T.D.); (F.M.)
| | - Giulia Iurato
- C.S.R. Sicilian Rehabilitation Consortium, 97016 Pozzallo, Italy;
| | - Paolo Mirizzi
- Department of Psychology, University of Bari, 70121 Bari, Italy;
| | - Monica Mazza
- Department of Applied Clinical Sciences and Biotechnology, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Marco Valenti
- Regional Centre for Autism, Abruzzo Region Health System, 67100 L’Aquila, Italy;
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9
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Pruccoli J, Spadoni C, Orsenigo A, Parmeggiani A. Should Echolalia Be Considered a Phonic Stereotypy? A Narrative Review. Brain Sci 2021; 11:brainsci11070862. [PMID: 34209516 PMCID: PMC8301866 DOI: 10.3390/brainsci11070862] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 11/26/2022] Open
Abstract
The Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) defines echolalia as a pathological, parrotlike, and apparently senseless repetition (echoing) of a word or phrase just uttered by another person and classifies this condition among the “restrictive and repetitive behaviours” of Autism Spectrum Disorder (ASD). The authors reviewed the existing literature on echolalia and its role in the development of children with ASD. Current conceptualizations include echolalia among repetitive behaviors and stereotypies and thus interpret this symptom as lacking any communicative significance, with negative effects on learning and sensory processing. Echoic behaviors, however, have been described in neurotypical infants and children as having a substantial effect on the consequent development of language and communication. Relevant research has documented a functional role of echolalia in ASD children as well since it facilitates the acquisition of verbal competencies and affords a higher degree of semantic generalization. This developmental function could be restricted to specific contexts. Considering echolalia as stereotypy and treating it as a disturbing symptom could impair the development of ASD-specific learning and communication processes. In light of this evidence, the authors propose a different conceptualization of echolalia and suggest that this symptom be considered among atypical communication patterns in children with ASD, with implications for treatment and prognosis.
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Affiliation(s)
- Jacopo Pruccoli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, U.O. Neuropsichiatria dell’Età Pediatrica, 40138 Bologna, Italy; (J.P.); (C.S.); (A.O.)
- Dipartimento di Scienze Mediche e Chirurgiche, University of Bologna, 40138 Bologna, Italy
| | - Chiara Spadoni
- IRCCS Istituto delle Scienze Neurologiche di Bologna, U.O. Neuropsichiatria dell’Età Pediatrica, 40138 Bologna, Italy; (J.P.); (C.S.); (A.O.)
- Dipartimento di Scienze Mediche e Chirurgiche, University of Bologna, 40138 Bologna, Italy
| | - Alex Orsenigo
- IRCCS Istituto delle Scienze Neurologiche di Bologna, U.O. Neuropsichiatria dell’Età Pediatrica, 40138 Bologna, Italy; (J.P.); (C.S.); (A.O.)
- Dipartimento di Scienze Mediche e Chirurgiche, University of Bologna, 40138 Bologna, Italy
| | - Antonia Parmeggiani
- IRCCS Istituto delle Scienze Neurologiche di Bologna, U.O. Neuropsichiatria dell’Età Pediatrica, 40138 Bologna, Italy; (J.P.); (C.S.); (A.O.)
- Dipartimento di Scienze Mediche e Chirurgiche, University of Bologna, 40138 Bologna, Italy
- Correspondence:
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Grossi E, Caminada E, Goffredo M, Vescovo B, Castrignano T, Piscitelli D, Valagussa G, Franceschini M, Vanzulli F. Patterns of Restricted and Repetitive Behaviors in Autism Spectrum Disorders: A Cross-Sectional Video Recording Study. Preliminary Report. Brain Sci 2021; 11:678. [PMID: 34064245 PMCID: PMC8224357 DOI: 10.3390/brainsci11060678] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/19/2021] [Accepted: 05/19/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Several instruments have been proposed to investigate restricted, repetitive behaviors (RRBs) in individuals with Autism Spectrum Disorder (ASD). Systematic video observations may overcome questionnaire and interview limitations to investigate RRBs. This study aimed to analyze stereotypic patterns through video recordings and to determine the correlation between the number and appearance of RRBs to ASD severity. METHODS Twenty health professionals wearing a body cam recorded 780 specific RRBs during everyday activities of 67 individuals with ASD (mean age: 14.2 ± 3.72 years) for three months. Each stereotypy was classified according to its complexity pattern (i.e., simple or complex) based on body parts and sensory channels involved. RESULTS The RRBs spectrum for each subject ranged from one to 33 different patterns (mean: 11.6 ± 6.82). Individuals with a lower number of stereotypies shown a lower ASD severity compared to subjects with a higher number of stereotypies (p = 0.044). No significant differences were observed between individuals exhibiting simple (n = 40) and complex patterns (n = 27) of stereotypies on ASD severity, age, sex, and the number of stereotypes. CONCLUSIONS This study represents the first attempt to systematically document expression patterns of RRBs with a data-driven approach. This may provide a better understanding of the pathophysiology and management of RRBs.
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Affiliation(s)
- Enzo Grossi
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
| | - Elisa Caminada
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
| | - Michela Goffredo
- Neurorehabilitation Research Laboratory, Department of Neurological and Rehabilitation Sciences, IRCSS San Raffaele Pisana, 00163 Rome, Italy;
| | - Beatrice Vescovo
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
| | - Tristana Castrignano
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
| | - Daniele Piscitelli
- School of Medicine and Surgery, University of Milano Bicocca, 20126 Milano, Italy;
- School of Physical and Occupational Therapy, McGill University, Montreal, QC H3G 1Y5, Canada
| | - Giulio Valagussa
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
- School of Medicine and Surgery, University of Milano Bicocca, 20126 Milano, Italy;
| | - Marco Franceschini
- Neurorehabilitation Research Laboratory, Department of Neurological and Rehabilitation Sciences, IRCSS San Raffaele Pisana, 00163 Rome, Italy;
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele University, 00163 Rome, Italy
| | - Franco Vanzulli
- Autism Research Unit, “Villa Santa Maria” Foundation, 22038 Tavernerio, Italy; (E.G.); (E.C.); (B.V.); (T.C.); (G.V.); (F.V.)
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11
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Lian F, Northoff G. The Lost Neural Hierarchy of the Autistic Self-Locked-Out of the Mental Self and Its Default-Mode Network. Brain Sci 2021; 11:574. [PMID: 33946964 PMCID: PMC8145974 DOI: 10.3390/brainsci11050574] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/16/2021] [Accepted: 04/23/2021] [Indexed: 12/12/2022] Open
Abstract
Autism spectrum disorder (ASD) is characterized by a fundamental change in self-awareness including seemingly paradoxical features like increased ego-centeredness and weakened self-referentiality. What is the neural basis of this so-called "self-paradox"? Conducting a meta-analytic review of fMRI rest and task studies, we show that ASD exhibits consistent hypofunction in anterior and posterior midline regions of the default-mode network (DMN) in both rest and task with decreased self-non-self differentiation. Relying on a multilayered nested hierarchical model of self, as recently established (Qin et al. 2020), we propose that ASD subjects cannot access the most upper layer of their self, the DMN-based mental self-they are locked-out of their own DMN and its mental self. This, in turn, results in strong weakening of their self-referentiality with decreases in both self-awareness and self-other distinction. Moreover, this blocks the extension of non-DMN cortical and subcortical regions at the lower layers of the physical self to the DMN-based upper layer of the mental self, including self-other distinction. The ASD subjects remain stuck and restricted to their intero- and exteroceptive selves as manifested in a relative increase in ego-centeredness (as compared to self-referentiality). This amounts to what we describe as "Hierarchical Model of Autistic Self" (HAS), which, characterizing the autistic self in hierarchical and spatiotemporal terms, aligns well with and extends current theories of ASD including predictive coding and weak central coherence.
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Affiliation(s)
- Fuxin Lian
- Institute of Psychological Sciences, School of Education, Hangzhou Normal University, Hangzhou 311121, China;
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON K1Z 7K4, Canada
| | - Georg Northoff
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON K1Z 7K4, Canada
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12
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Hong E, Matson JL. Factors Associated with Restricted, Repetitive Behaviors and Interests and Diagnostic Severity Level Ratings in Young Children with Autism Spectrum Disorder. J Autism Dev Disord 2021; 51:4644-4654. [PMID: 33580406 DOI: 10.1007/s10803-021-04905-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2021] [Indexed: 10/22/2022]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by restricted, repetitive patterns of behavior and interests (RRBIs). With the latest update to the Diagnostic and Statistical Manual of Mental Disorders, a severity level rating is assigned to the two core features of ASD (American Psychiatric Association in Diagnostic and statistical manual of mental disorders 5 American Psychiatric Association Washington, D.C., 2013). Previous studies have identified factors associated with RRBI severity; however, the relationship among RRBIs, adaptive functioning, and diagnostic severity level remains unclear. The present study investigated whether adaptive functioning and parent-reported ASD symptoms predict RRBI severity in young children with ASD. Additionally, a fine-grained analysis was conducted to examine the factors associated with diagnostic severity level ratings. Several significant associations were found. Study findings and implications for assessment and treatment of RRBIs are discussed.
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Affiliation(s)
- Esther Hong
- Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA, 70803, USA.
| | - Johnny L Matson
- Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA, 70803, USA
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13
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A Distinct Three-Factor Structure of Restricted and Repetitive Behaviors in an Epidemiologically Sound Sample of Preschool-Age Children with Autism Spectrum Disorder. J Autism Dev Disord 2021; 51:3456-3468. [PMID: 33387232 DOI: 10.1007/s10803-020-04776-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/29/2020] [Indexed: 12/15/2022]
Abstract
Prior studies investigating restricted and repetitive behavior (RRB) subtypes within autism spectrum disorder (ASD) have found varied factor structures for symptom groupings, in part, due to variation in symptom measurement and broad sample age ranges. This study examined RRBs among 827 preschool-age children, ages 35 to 71 months, through an exploratory factor analysis of RRB items from the Autism Diagnostic Interview-Revised (ADI-R) collected through the Study to Explore Early Development. The factor structures of RRBs among children with confirmed ASD versus those with non-autism developmental concerns were qualitatively compared. Correlations between RRB factors and participant characteristics were examined in the ASD group. Three conceptually well-defined factors characterized as repetitive sensorimotor behaviors (RSMB), insistence on sameness (IS), and a novel stereotyped speech (SPEECH) factor emerged for the ASD group only. Distinct factors were supported by different clinical correlates. Findings have implications for improving differential diagnosis and understanding of ASD symptomatology in this age range.
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14
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Propionic acid induced behavioural effects of relevance to autism spectrum disorder evaluated in the hole board test with rats. Prog Neuropsychopharmacol Biol Psychiatry 2020; 97:109794. [PMID: 31639413 DOI: 10.1016/j.pnpbp.2019.109794] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 10/11/2019] [Accepted: 10/17/2019] [Indexed: 12/20/2022]
Abstract
Autism spectrum disorders (ASD) are a set of neurodevelopmental disorders characterized by abnormal social interactions, impaired language, and stereotypic and repetitive behaviours. Among genetically susceptible subpopulations, gut and dietary influences may play a role in etiology. Propionic acid (PPA), produced by enteric gut bacteria, crosses both the gut-blood and the blood-brain barrier. Previous research has demonstrated that repeated intracerebroventricular (ICV) infusions of PPA in adult rats produce behavioural and neuropathological changes similar to those seen in ASD patients, including hyperactivity, stereotypy, and repetitive movements. The current study examined dose and time related changes of exploratory and repetitive behaviours with the use of the hole-board task. Adult male Long-Evans rats received ICV infusions twice a day, 4 h apart, of either buffered PPA (low dose 0.052 M or high dose 0.26 M, pH 7.5, 4 μL/infusion) or phosphate buffered saline (PBS, 0.1 M) for 7 consecutive days. Locomotor activity and hole-poke behaviour were recorded daily in an automated open field apparatus (Versamax), equipped with 16 open wells, for 30 min immediately after the second infusion. In a dose dependent manner PPA infused rats displayed significantly more locomotor activity, stereotypic behaviour and nose-pokes than PBS infused rats. Low-dose PPA animals showed locomotor activity levels similar to those of PBS animals at the start of the infusion schedule, but gradually increased to levels comparable to those of high-dose PPA animals by the end of the infusion schedule, demonstrating a dose and time dependent effect of the PPA treatments.
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15
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Validating the Repetitive Behavior Scale-Revised for Children in China Aged 3 to 8 with Autism Spectrum Disorder. J Autism Dev Disord 2020; 49:4941-4956. [PMID: 31485814 DOI: 10.1007/s10803-019-04210-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Research on the repetitive behavior of children diagnosed with autism spectrum disorder (ASD) has recently gained scholarly attention. Restricted and repetitive behavior (RRB) is a core ASD symptom of various patterns and high prevalence. The Repetitive Behavior Scale-Revised (RBS-R) is a standard questionnaire used to assess RRB in individuals with ASD. This study collected data from 163 Chinese children aged 3-8 with ASD to analyze the validity and reliability of the RBS-R. Results showed that the original tested items were adaptable to the Chinese cultural environment when treating such disorders. A confirmatory factor analysis was applied to the structuring models, indicating that a 5-factor model was more suitable for evaluating RRB in this context.
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16
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Gaetz W, Rhodes E, Bloy L, Blaskey L, Jackel CR, Brodkin ES, Waldman A, Embick D, Hall S, Roberts TPL. Evaluating motor cortical oscillations and age-related change in autism spectrum disorder. Neuroimage 2019; 207:116349. [PMID: 31726253 DOI: 10.1016/j.neuroimage.2019.116349] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 11/07/2019] [Accepted: 11/09/2019] [Indexed: 12/11/2022] Open
Abstract
Autism spectrum disorder (ASD) is primarily characterized by impairments in social communication and the appearance of repetitive behaviors with restricted interests. Increasingly, evidence also points to a general deficit of motor tone and coordination in children and adults with ASD; yet the neural basis of motor functional impairment in ASD remains poorly characterized. In this study, we used magnetoencephalography (MEG) to (1) assess potential group differences between typically developing (TD) and ASD participants in motor cortical oscillatory activity observed on a simple button-press task and (2) to do so over a sufficiently broad age-range so as to capture age-dependent changes associated with development. Event-related desynchronization was evaluated in Mu (8-13 Hz) and Beta (15-30 Hz) frequency bands (Mu-ERD, Beta-ERD). In addition, post-movement Beta rebound (PMBR), and movement-related gamma (60-90 Hz) synchrony (MRGS) were also assessed in a cohort of 123 participants (63 typically developing (TD) and 59 with ASD) ranging in age from 8 to 24.9 years. We observed significant age-dependent linear trends in Beta-ERD and MRGS power with age for both TD and ASD groups; which did not differ significantly between groups. However, for PMBR, in addition to a significant effect of age, we also observed a significant reduction in PMBR power in the ASD group (p < 0.05). Post-hoc tests showed that this omnibus group difference was driven by the older cohort of children >13.2 years (p < 0.001) and this group difference was not observed when assessing PMBR activity for the younger PMBR groups (ages 8-13.2 years; p = 0.48). Moreover, for the older ASD cohort, hierarchical regression showed a significant relationship between PMBR activity and clinical scores of ASD severity (Social Responsiveness Scale (SRS T scores)), after regressing out the effect of age (p < 0.05). Our results show substantial age-dependent changes in motor cortical oscillations (Beta-ERD and MRGS) occur for both TD and ASD children and diverge only for PMBR, and most significantly for older adolescents and adults with ASD. While the functional significance of PMBR and reduced PMBR signaling remains to be fully elucidated, these results underscore the importance of considering age as a factor when assessing motor cortical oscillations and group differences in children with ASD.
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Affiliation(s)
- William Gaetz
- Lurie Family Foundations' MEG Imaging Center, Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Edward Rhodes
- UK Dementia Research Institute, Imperial College London, London, UK
| | - Luke Bloy
- Lurie Family Foundations' MEG Imaging Center, Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Lisa Blaskey
- Lurie Family Foundations' MEG Imaging Center, Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Carissa R Jackel
- Division of Developmental and Behavioral Pediatrics, Children's Hospital of Philadelphia, USA
| | - Edward S Brodkin
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Amy Waldman
- Division of Neurology, Departments of Neurology and Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - David Embick
- Department of Linguistics, University of Pennsylvania, Philadelphia, PA, USA
| | - Stephen Hall
- Brain Research and Imaging Centre, University of Plymouth, Devon, UK
| | - Timothy P L Roberts
- Lurie Family Foundations' MEG Imaging Center, Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
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17
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Melo C, Ruano L, Jorge J, Pinto Ribeiro T, Oliveira G, Azevedo L, Temudo T. Prevalence and determinants of motor stereotypies in autism spectrum disorder: A systematic review and meta-analysis. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2019; 24:569-590. [PMID: 31552746 DOI: 10.1177/1362361319869118] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Stereotypies are frequently reported in people with autism spectrum disorder (ASD) but remain one of the less explained phenomena. We aimed to describe, through a systematic review and a meta-analysis, the prevalence of motor stereotypies in ASD and study the factors that influence this prevalence. Our literature search included MEDLINE, Scopus, and PsycINFO databases. Quality and risk of bias were assessed. Thirty-seven studies were included and the median prevalence of motor stereotypies in ASD was 51.8%, ranging from 21.9% to 97.5%. The most frequent determinants associated with a higher number of stereotypies in ASD were a younger age, lower intelligence quotient, and a greater severity of ASD. Moreover, gender did not seem to influence the prevalence of stereotypies. Meta-analytic analysis showed that lower IQ and autism diagnosis (independent of IQ) are associated with a higher prevalence of motor stereotypies (odds ratio = 2.5 and 4.7, respectively). Limitations of the reviewed literature include the use of convenience samples, with small sizes and heterogeneous inclusion criteria, and the predominance of high-functioning autism individuals.
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Affiliation(s)
- Cláudia Melo
- Pediatric Department, Centro Hospitalar Universitário São João, Porto, Portugal.,Centre for Health Technology and Services Research (CINTESIS), Porto, Portugal
| | - Luís Ruano
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal.,Faculty of Medicine, University of Porto, Porto, Portugal.,EPIUnit - Institute of Public Health, University of Porto, Porto, Portugal
| | - Joana Jorge
- Child Psychiatry Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | | | - Guiomar Oliveira
- Autism Unit from Child Developmental Center and Centro de Investigação e Formação Clinica, Hospital Pediátrico, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.,University Clinic of Pediatrics, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Luís Azevedo
- Centre for Health Technology and Services Research (CINTESIS), Porto, Portugal.,Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Porto, Portugal
| | - Teresa Temudo
- Pediatric Neurology Department, Centro Materno-Infantil, Centro Hospitalar do Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
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18
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Knutsen J, Crossman M, Perrin J, Shui A, Kuhlthau K. Sex differences in restricted repetitive behaviors and interests in children with autism spectrum disorder: An Autism Treatment Network study. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2019. [PMID: 30047281 PMCID: PMC6348057 DOI: 10.1177/1362361318786490 10.1177/1362361318786490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Compared to the social communication domain, considerably less is known about the cause, development, and impact of restricted, repetitive behaviors interests and activities in children with autism spectrum disorder, including possible sex differences. This study examined sex differences in clinically identified (Autism Diagnostic Observation Schedule) restricted and repetitive behavior symptoms using the largest known sample (N = 1024) of age-matched and intelligence quotient-matched female and male children with autism spectrum disorder. More similarities than differences were observed; however, younger higher functioning and older lower functioning females presented reduced rates on the Autism Diagnostic Observation Schedule restricted and repetitive behavior subcategory unusually repetitive/excessive, stereotyped behaviors compared to similar males. These findings identify key restricted and repetitive behavior similarities and differences among young females and males with autism spectrum disorder and emphasize the need for a deeper understanding of the female autism phenotype.
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Affiliation(s)
- John Knutsen
- Massachusetts General Hospital for Children, USA,Harvard Medical School, USA
| | - Morgan Crossman
- Massachusetts General Hospital for Children, USA,Harvard Medical School, USA
| | - James Perrin
- Massachusetts General Hospital for Children, USA,Harvard Medical School, USA
| | - Amy Shui
- Massachusetts General Hospital for Children, USA
| | - Karen Kuhlthau
- Massachusetts General Hospital for Children, USA,Harvard Medical School, USA
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19
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Issarraras A, Matson JL, Matheis M, Burns CO. Differences in Developmental Concerns of Young Children with Autism Spectrum Disorder Across Racial/Ethnic Groups. Dev Neurorehabil 2019; 22:174-179. [PMID: 30081703 DOI: 10.1080/17518423.2018.1504828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PURPOSE Parents/caregivers of children with autism spectrum disorder (ASD) have varying types of initial concerns regarding their child's development, which may be culturally bound to parents' perceptions of their child's development. This study investigated differences in the types of initial developmental concerns reported by parents or caregivers of different racial/ethnic groups with children in an early intervention program. METHOD This study examined the frequency of endorsement of different types of concerns in African American, Caucasian, and Hispanic families. RESULTS No significant differences between racial/ethnic groups were found in the endorsement of concerns related to communication, language/speech, motor, problem behavior, sensory, feeding, prematurity, attention, adaptive functioning, and medical conditions. Racial/ethnic groups differed significantly in their endorsement for social concerns. CONCLUSION Racial/ethnic group differences were confirmed regarding initial developmental concerns related to social behavior, which may be due to cultural beliefs. The implications of these findings on early identification are discussed.
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Affiliation(s)
- Abigail Issarraras
- a Department of Psychology, Louisiana State University , Baton Rouge , LA , USA
| | - Johnny L Matson
- a Department of Psychology, Louisiana State University , Baton Rouge , LA , USA
| | - Maya Matheis
- a Department of Psychology, Louisiana State University , Baton Rouge , LA , USA
| | - Claire O Burns
- a Department of Psychology, Louisiana State University , Baton Rouge , LA , USA
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20
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Williams KL, Kirby AV, Watson LR, Sideris J, Bulluck J, Baranek GT. Sensory features as predictors of adaptive behaviors: A comparative longitudinal study of children with autism spectrum disorder and other developmental disabilities. RESEARCH IN DEVELOPMENTAL DISABILITIES 2018; 81:103-112. [PMID: 30060977 PMCID: PMC7473611 DOI: 10.1016/j.ridd.2018.07.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 06/29/2018] [Accepted: 07/04/2018] [Indexed: 05/11/2023]
Abstract
BACKGROUND Children with autism spectrum disorder (ASD) and other developmental disabilities (DD) exhibit sensory features that differ from their typically developing peers. Prior cross-sectional research has demonstrated significant associations between elevated sensory features and lower adaptive behavior scores, yet there is limited prospective research examining longitudinal associations. AIMS To examine the longitudinal prediction of early sensory response patterns (i.e., hyperresponsiveness, hyporesponsiveness, and sensory interests, repetitions, and seeking behaviors) to later adaptive behavior outcomes in children with ASD and DD. METHODS AND PROCEDURES Children with ASD (n = 51) and DD (n = 30) were seen at two time points (Time 1: M(SD) = 5.6(2.5) years; Time 2: M(SD) = 9.0(2.2) years). We used a series of regression models with both observational and parent-report measures of sensory response patterns, and including group interactions. OUTCOMES AND RESULTS All three sensory response patterns significantly predicted aspects of adaptive behaviors, with some differences based on assessment format and diagnostic group. Across groups and sensory patterns, we found some evidence that elevated sensory features early in childhood predicted lower adaptive behavior skills later in childhood. CONCLUSIONS AND IMPLICATIONS Sensory features may interfere with development of adaptive behaviors, suggesting a need for effective interventions addressing sensory features early in development.
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Affiliation(s)
- Kathryn L Williams
- Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Bondurant Hall, CB #7120, Chapel Hill, NC, 27599-7120, USA.
| | - Anne V Kirby
- Department of Occupational and Recreational Therapies, University of Utah, 520 Wakara Way, Salt Lake City, UT, 84108-1213, USA
| | - Linda R Watson
- Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Bondurant Hall, CB #7120, Chapel Hill, NC, 27599-7120, USA
| | - John Sideris
- Mrs. T.H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, 1540 Alcazar St., CHP-133, Los Angeles, CA, 90089-9003, USA
| | - John Bulluck
- Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Bondurant Hall, CB #7120, Chapel Hill, NC, 27599-7120, USA
| | - Grace T Baranek
- Department of Occupational and Recreational Therapies, University of Utah, 520 Wakara Way, Salt Lake City, UT, 84108-1213, USA
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21
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Wong CT, Bestard-Lorigados I, Crawford DA. Autism-related behaviors in the cyclooxygenase-2-deficient mouse model. GENES BRAIN AND BEHAVIOR 2018; 18:e12506. [PMID: 30027581 DOI: 10.1111/gbb.12506] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/16/2018] [Accepted: 07/16/2018] [Indexed: 12/15/2022]
Abstract
Prostaglandin E2 (PGE2) is an endogenous lipid molecule involved in normal brain development. Cyclooxygenase-2 (COX2) is the main regulator of PGE2 synthesis. Emerging clinical and molecular research provides compelling evidence that abnormal COX2/PGE2 signaling is associated with autism spectrum disorder (ASD). We previously found that COX2 knockout mice had dysregulated expression of many ASD genes belonging to important biological pathways for neurodevelopment. The present study is the first to show the connection between irregular COX2/PGE2 signaling and autism-related behaviors in male and female COX2-deficient knockin, (COX)-2- , mice at young (4-6 weeks) or adult (8-11 weeks) ages. Autism-related behaviors were prominent in male (COX)-2- mice for most behavioral tests. In the open field test, (COX)-2- mice traveled more than controls and adult male (COX)-2- mice spent less time in the center indicating elevated hyperactive and anxiety-linked behaviors. (COX)-2- mice also buried more marbles, with males burying more than females, suggesting increased anxiety and repetitive behaviors. Young male (COX)-2- mice fell more frequently in the inverted screen test revealing motor deficits. The three-chamber sociability test found that adult female (COX)-2- mice spent less time in the novel mouse chamber indicative of social abnormalities. In addition, male (COX)-2- mice showed altered expression of several autism-linked genes: Wnt2, Glo1, Grm5 and Mmp9. Overall, our findings offer new insight into the involvement of disrupted COX2/PGE2 signaling in ASD pathology with age-related differences and greater impact on males. We propose that (COX)-2- mice might serve as a novel model system to study specific types of autism.
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Affiliation(s)
- Christine T Wong
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada.,Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada
| | - Isabel Bestard-Lorigados
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada.,Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada
| | - Dorota A Crawford
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada.,Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada.,Department of Biology, York University, Toronto, ON, Canada
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22
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Knutsen J, Crossman M, Perrin J, Shui A, Kuhlthau K. Sex differences in restricted repetitive behaviors and interests in children with autism spectrum disorder: An Autism Treatment Network study. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2018; 23:858-868. [PMID: 30047281 DOI: 10.1177/1362361318786490] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Compared to the social communication domain, considerably less is known about the cause, development, and impact of restricted, repetitive behaviors interests and activities in children with autism spectrum disorder, including possible sex differences. This study examined sex differences in clinically identified (Autism Diagnostic Observation Schedule) restricted and repetitive behavior symptoms using the largest known sample (N = 1024) of age-matched and intelligence quotient-matched female and male children with autism spectrum disorder. More similarities than differences were observed; however, younger higher functioning and older lower functioning females presented reduced rates on the Autism Diagnostic Observation Schedule restricted and repetitive behavior subcategory unusually repetitive/excessive, stereotyped behaviors compared to similar males. These findings identify key restricted and repetitive behavior similarities and differences among young females and males with autism spectrum disorder and emphasize the need for a deeper understanding of the female autism phenotype.
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Affiliation(s)
- John Knutsen
- 1 Massachusetts General Hospital for Children, USA
- 2 Harvard Medical School, USA
| | - Morgan Crossman
- 1 Massachusetts General Hospital for Children, USA
- 2 Harvard Medical School, USA
| | - James Perrin
- 1 Massachusetts General Hospital for Children, USA
- 2 Harvard Medical School, USA
| | - Amy Shui
- 1 Massachusetts General Hospital for Children, USA
| | - Karen Kuhlthau
- 1 Massachusetts General Hospital for Children, USA
- 2 Harvard Medical School, USA
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23
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Abstract
AbstractNewborns are born into a social environment that dynamically responds to them. Newborn behaviors may not have explicit social intentions but will nonetheless affect the environment. Parents contingently respond to their child, enabling newborns to learn about the consequences of their behaviors and encouraging the behavior itself. Consequently, newborn behaviors may serve both biological and social-cognitive purposes during development.
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24
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Bradshaw J, Koegel LK, Koegel RL. Improving Functional Language and Social Motivation with a Parent-Mediated Intervention for Toddlers with Autism Spectrum Disorder. J Autism Dev Disord 2017; 47:2443-2458. [DOI: 10.1007/s10803-017-3155-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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25
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Matheis M, Matson JL, Burns CO, Jiang X, Peters WJ, Moore M, de Back KA, Estabillo J. Factors related to parental age of first concern in toddlers with autism spectrum disorder. Dev Neurorehabil 2017; 20:228-235. [PMID: 27715357 DOI: 10.1080/17518423.2016.1211186] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
PURPOSE The age of first concern (AOC) of parents of children with autism spectrum disorders (ASD) has substantial implications for early diagnosis and intervention. The current study sought to determine the average AOC, what types of first concerns are most common, and what factors predict earlier AOC in toddlers with ASD. METHODS This study analyzed the predictive influence of the type of concern, symptom severity, medical diagnoses, and other independent variables on AOC among toddlers with ASD using multiple regressions. RESULTS The mean AOC was found to be 13.97 months (SD = 7.86). The most commonly reported first concern was speech/language. First concerns related to communication, speech/language predicted later AOC, while motor concerns predicted earlier AOC. CONCLUSIONS Concerns that are more closely related to social communication deficits characteristic of ASD predicted later AOC. The implications of these findings on screening/assessment and intervention are discussed.
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Affiliation(s)
- Maya Matheis
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Johnny L Matson
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Claire O Burns
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Xinrui Jiang
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - W Jason Peters
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Michael Moore
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Kaitlin A de Back
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Jasper Estabillo
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
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26
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Horovitz M, Matson JL. The baby and infant screen for children with autism traits-part 2: The development of age-based cutoffs. Dev Neurorehabil 2016; 18:349-56. [PMID: 23869771 DOI: 10.3109/17518423.2013.797031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To create age-based scoring procedures for the BISCUIT-Part 2, an assessment measure of comorbid psychopathology in infants and toddlers aged 17-37 months. METHOD The standard deviation from the mean method was used to develop separate age-based cutoffs for those with an autism spectrum disorder (ASD) and those with non-ASD related developmental delays, using a sample of 2867 infants and toddlers and their parents. RESULTS As age increased in those with ASD, higher cutoff scores were indicated. Less variation was seen in the cutoff scores established for those with non-ASD related delays. CONCLUSION The findings suggest that as children with ASD grow older, symptoms of comorbidity become more prevalent and easier to detect. The implications of these results, as well as possible areas of future research, are discussed.
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Affiliation(s)
- Max Horovitz
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Johnny L Matson
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
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27
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Harrop C, Gulsrud A, Kasari C. Does Gender Moderate Core Deficits in ASD? An Investigation into Restricted and Repetitive Behaviors in Girls and Boys with ASD. J Autism Dev Disord 2016; 45:3644-55. [PMID: 26111739 DOI: 10.1007/s10803-015-2511-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Due to the uneven gender ratio of autism spectrum disorders (ASD), girls are rarely studied independently from boys. Research focusing on restricted and repetitive behaviors (RRBs) indicates that above the age of six girls have fewer and/or different RRBs than boys with ASD. In this study we investigated whether girls and boys with ASD demonstrated similar rates and types of RRBs in early childhood, using discrete observational coding from a video-taped play interaction. Twenty-nine girls with ASD were matched to 29 boys based on ASD severity. While boys in our sample demonstrated a greater frequency of RRBs, this was not significant and our findings indicate that girls and boys under five are more similar than dissimilar on this core deficit. However our data also revealed a trend toward gender-differential growth trajectories--a finding worthy of further investigation in larger samples.
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Affiliation(s)
- Clare Harrop
- Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Bondurant Hall, Suite 3093, 321 South Columbia Street, Chapel Hill, NC, 27514, USA.
| | - Amanda Gulsrud
- Center for Autism Research and Treatment, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, CA, USA
| | - Connie Kasari
- Center for Autism Research and Treatment, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, CA, USA
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Turygin N, Matson JL, Tureck K. The relationship of attention-deficit hyperactivity disorder and autism spectrum disorder to adaptive skills in young children. Dev Neurorehabil 2016; 18:317-21. [PMID: 24303981 DOI: 10.3109/17518423.2013.846947] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Attention-deficit hyperactivity disorder (ADHD) has been linked to deficits in socialization and communication, similar to those observed in children with ASD. In the present study, we examine the differences in developmental quotient and subscale scores between children with ASD and children with ADHD. METHODS We compared the developmental scores in a sample of 2990 children who presented to an early intervention program, who met criteria for ASD, inattentive ADHD, hyperactive/impulsive ADHD, combined ASD/ADHD, or are at risk for developmental disorders. RESULTS The overall developmental quotient did not significantly differ between those in the ADHD inattentive and hyperactive subtype groups. Adaptive skills differed most greatly between the ASD groups and the ADHD/atypically-developing groups. CONCLUSION The present study represents a first step towards understanding the relationship of ADHD to ASD in early childhood. Young children with ASD symptoms are more greatly impaired than those with symptoms of ADHD.
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Affiliation(s)
- Nicole Turygin
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Johnny L Matson
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Kimberly Tureck
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
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Tureck K, Matson JL, Cervantes P, Turygin N. Autism severity as a predictor of inattention and impulsivity in toddlers. Dev Neurorehabil 2016; 18:285-9. [PMID: 23869975 DOI: 10.3109/17518423.2013.807884] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Evaluate how severity of autism spectrum disorder (ASD) symptoms predicts attention-deficit/hyperactivity disorder (ADHD) symptoms in atypically developing toddlers. METHOD Parents/caregivers of 2300 atypically developing toddlers' ages 18-37 months were assessed about their children's behaviours using the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT) Part 1 and the inattention/impulsivity subscale of the BISCUIT-Part 2. RESULTS ASD symptom severity was positively and significantly correlated with inattention/impulsivity, indicating that children with more severe symptoms of ASD tended to have higher scores on the measure of inattention/impulsivity, R(2) = 0.49, F (1, 2298) = 2234.72, p < 0.001. Additionally, ASD symptom severity significantly predicted inattention/impulsivity, β = 0.70, t (2298) = 47.27, p < 0.001. CONCLUSIONS ASD symptom severity predicts rates of ADHD symptoms in atypically developing toddlers. The implications of these findings are discussed in the context of other research.
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Affiliation(s)
- Kim Tureck
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Johnny L Matson
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Paige Cervantes
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
| | - Nicole Turygin
- a Department of Psychology , Louisiana State University , Baton Rouge , LA , USA
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Rieske RD, Matson JL, Beighley JS, Cervantes PE, Goldin RL, Jang J. Comorbid psychopathology rates in children diagnosed with autism spectrum disorders according to the DSM-IV-TR and the proposed DSM-5. Dev Neurorehabil 2016; 18:218-23. [PMID: 23869479 DOI: 10.3109/17518423.2013.790519] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVE To investigate differences in comorbid psychopathology rates between individuals who meet criteria of Autism Spectrum Disorders (ASDs) according to DSM-5 or the DSM-IV-TR. METHODS Comorbid psychopathology was measured using the Autism Spectrum Disorders- Comorbid for Children. 424 individuals between the ages of 2 and 18 years of age; including children who met criteria for an ASD according to the DSM-5, the DSM-IV-TR only, and a control group that did not meet either set of criteria. RESULTS Of the ASD participants, 36% would no longer meet criteria according to proposed DSM-5. Comorbidity rates for the ASD groups were significantly different from the control group; however, ASD groups were not significantly different in terms of total comorbid psychopathology. CONCLUSION The results elucidate the need for further research regarding services and treatments for those individuals that will no longer meet criteria for an ASD but still have significant rates of comorbid psychopathology.
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Affiliation(s)
- Robert D Rieske
- Department of Psychology, Louisiana State University , Baton Rouge, LA , USA
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Methods and Procedures for Measuring Comorbid Disorders: Medical. COMORBID CONDITIONS AMONG CHILDREN WITH AUTISM SPECTRUM DISORDERS 2016. [DOI: 10.1007/978-3-319-19183-6_4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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32
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Zwaigenbaum L, Bauman ML, Stone WL, Yirmiya N, Estes A, Hansen RL, McPartland JC, Natowicz MR, Choueiri R, Fein D, Kasari C, Pierce K, Buie T, Carter A, Davis PA, Granpeesheh D, Mailloux Z, Newschaffer C, Robins D, Roley SS, Wagner S, Wetherby A. Early Identification of Autism Spectrum Disorder: Recommendations for Practice and Research. Pediatrics 2015; 136 Suppl 1:S10-40. [PMID: 26430168 PMCID: PMC9923897 DOI: 10.1542/peds.2014-3667c] [Citation(s) in RCA: 220] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Early identification of autism spectrum disorder (ASD) is essential to ensure that children can access specialized evidence-based interventions that can help to optimize long-term outcomes. Early identification also helps shorten the stressful "diagnostic odyssey" that many families experience before diagnosis. There have been important advances in research into the early development of ASDs, incorporating prospective designs and new technologies aimed at more precisely delineating the early emergence of ASD. Thus, an updated review of the state of the science of early identification of ASD was needed to inform best practice. These issues were the focus of a multidisciplinary panel of clinical practitioners and researchers who completed a literature review and reached consensus on current evidence addressing the question "What are the earliest signs and symptoms of ASD in children aged ≤24 months that can be used for early identification?" Summary statements address current knowledge on early signs of ASD, potential contributions and limitations of prospective research with high-risk infants, and priorities for promoting the incorporation of this knowledge into clinical practice and future research.
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Affiliation(s)
- Lonnie Zwaigenbaum
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada;
| | - Margaret L. Bauman
- Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, Massachusetts
| | | | - Nurit Yirmiya
- Department of Psychology, Hebrew University of Jerusalem Mount Scopus, Jerusalem, Israel
| | - Annette Estes
- Speech and Hearing Sciences, University of Washington, Seattle, Washington
| | - Robin L. Hansen
- Department of Pediatrics, University of California Davis MIND Institute, Sacramento, California
| | | | | | - Roula Choueiri
- Division of Developmental and Behavioral Pediatrics, University of Massachusetts Memorial Children’s Medical Center, Worcester, Massachusetts
| | - Deborah Fein
- Department of Psychology, University of Connecticut, Storrs, Connecticut
| | - Connie Kasari
- Graduate School of Education & Information Studies, University of California Los Angeles, Los Angeles, California
| | - Karen Pierce
- Department of Neurosciences, University of California San Diego, La Jolla, California
| | - Timothy Buie
- Harvard Medical School and Massachusetts General Hospital for Children, Boston, Massachusetts
| | - Alice Carter
- Department of Psychology, University of Massachusetts, Boston, Massachusetts
| | | | | | - Zoe Mailloux
- Department of Occupational Therapy, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Craig Newschaffer
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania
| | - Diana Robins
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania
| | - Susanne Smith Roley
- USC Mrs T.H. Chan Division of Occupational Science and Occupational Therapy, Los Angeles, California
| | - Sheldon Wagner
- Behavioral Development & Educational Services, New Bedford, Massachusetts; and
| | - Amy Wetherby
- Department of Clinical Sciences, Florida State University College of Medicine, Tallahassee, Florida
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A Review of Behavioral Strategies and Support Considerations for Assisting Persons with Difficulties Transitioning from Activity to Activity. REVIEW JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS 2015. [DOI: 10.1007/s40489-015-0056-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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34
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Marques DF, Bosa CA. Protocolo de Avaliação de Crianças com Autismo: Evidências de Validade de Critério. PSICOLOGIA: TEORIA E PESQUISA 2015. [DOI: 10.1590/0102-37722015011085043051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A avaliação de crianças com suspeita de Transtornos do Espectro do Autismo (TEA), na saúde pública, demanda instrumentos construídos e validados no Brasil. O objetivo deste estudo é verificar evidências de validade de critério, preliminares, do Protocolo de Avaliação para Crianças com Suspeita de Transtornos do Espectro do Autismo (PRO-TEA). Participaram 30 crianças, entre dois e quatro anos, divididas em três grupos (Desenvolvimento Típico, Síndrome de Down e Autismo). Os itens do PRO-TEA foram examinados por dois observadores independentes, cegos ao diagnóstico das crianças. A fidedignidade entre os avaliadores foi examinada por meio do coeficiente Kappa. Os itens referentes à atenção compartilhada, brincadeira simbólica e movimentos repetitivos do corpo discriminaram o grupo com TEA dos controles, demonstrando o potencial do instrumento.
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35
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García-Villamisar D, Rojahn J. Comorbid psychopathology and stress mediate the relationship between autistic traits and repetitive behaviours in adults with autism. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2015; 59:116-24. [PMID: 23919538 DOI: 10.1111/jir.12083] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
BACKGROUND Comorbid psychopathology and stress were considered possible mediators that may explain the relationship between some autistic traits and repetitive behaviours. The current study sought to examine the mediational effects of comorbid psychopathology, executive dysfunctions and stress in the relationship between some autistic traits and repetitive behaviours. METHOD A battery of questionnaires including measures of autistic traits, repetitive behaviours, stress, executive dysfunctions and comorbid psychopathology were administered to a sample of adults with autism and intellectual disabilities (n = 43). RESULTS We found that when taken as set dimensions of comorbidity, dysexecutive functioning and stress mediated or explained the effects of autistic symptoms on repetitive behaviour. The total model explained 60% of the variation in repetitive behaviours (R = 0.60; F = 13.64, P < 0.001). The results are discussed in the light of pertinent previous research and their clinical implications, and suggestions for future research are provided. CONCLUSIONS According to the investigated model, increased levels of comorbid psychopathology and stress explained the relationships between repetitive/restrictive behaviours and autistic traits in adults with autism, while executive functioning did not contribute to that relationship.
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Affiliation(s)
- D García-Villamisar
- Department of Personality and Clinical Psychology, Complutense University of Madrid, Madrid, Spain
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36
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Abstract
Autism (AUT) is one of the most prevalent developmental disorders emerging during childhood, and can be amongst the most incapacitating mental disorders. Some individuals with AUT require a lifetime of supervised care. Autism Speaks reported estimated costs for 2012 at £34 billion in the UK; and $3.2 million-$126 billion in the US, Australia and Canada. Ethnicity and migration experiences appear to increase risks of AUT and relate to underlying biological risk factors. Sociobiological stress factors can affect the uterine environment, or relate to stress-induced epigenetic changes during pregnancy and delivery. Epigenetic risk factors associated with AUT also include poor pregnancy conditions, low birth weight, and congenital malformation. Recent studies report that children from migrant communities are at higher risk of AUT than children born to non-migrant mothers, with the exception of Hispanic children. This paper provides the first systematic review into prevalence and predictors of AUT with a particular focus on maternal migration stressors and epigenetic risk factors. AUT rates appear higher in certain migrant communities, potentially relating to epigenetic changes after stressful experiences. Although AUT remains a rare disorder, failures to recognize its public health urgency and local community needs continue to leave certain cultural groups at a disadvantage.
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Affiliation(s)
- Daina Crafa
- Integrated Program in Neuroscience, Douglas Mental Health University Hospital, McGill University , Montreal, Quebec , Canada
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37
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Abstract
The fifth edition of the diagnostic and statistical manual of mental disorders (DSM-5) (APA in diagnostic and statistical manual of mental disorders, Author, Washington, 2013) has decided to merge the subtypes of pervasive developmental disorders into a single category of autism spectrum disorder (ASD) on the assumption that they cannot be reliably differentiated from one another. The purpose of this review is to analyze the basis of this assumption by examining the comparative studies between Asperger's disorder (AsD) and autistic disorder (AD), and between pervasive developmental disorder not otherwise specified (PDDNOS) and AD. In all, 125 studies compared AsD with AD. Of these, 30 studies concluded that AsD and AD were similar conditions while 95 studies found quantitative and qualitative differences between them. Likewise, 37 studies compared PDDNOS with AD. Nine of these concluded that PDDNOS did not differ significantly from AD while 28 reported quantitative and qualitative differences between them. Taken together, these findings do not support the conceptualization of AD, AsD and PDDNOS as a single category of ASD. Irrespective of the changes proposed by the DSM-5, future research and clinical practice will continue to find ways to meaningfully subtype the ASD.
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38
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Harrop C, McConachie H, Emsley R, Leadbitter K, Green J. Restricted and repetitive behaviors in autism spectrum disorders and typical development: cross-sectional and longitudinal comparisons. J Autism Dev Disord 2014; 44:1207-19. [PMID: 24234675 DOI: 10.1007/s10803-013-1986-5] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Restricted and repetitive behaviors (RRBs) are characteristic of autism spectrum disorders (ASD). However, compared to social and communicative impairments, less is known about their development, trajectory and etiology. This study explored RRBs in young children with ASD matched to typically developing (TD) children on non-verbal development. RRBs were coded from direct observation at three time points within 13 months of development. Children with ASD displayed higher frequency and greater diversity of RRBs at all time points, however RRBs were not unique to ASD and evident in the TD control group albeit at a reduced frequency. RRBs did not correlate with social and communicative impairments in the ASD group, suggesting dissociation between these domains.
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39
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Konst MJ, Matson JL, Goldin R, Rieske R. RETRACTED: How does ASD symptomology correlate with ADHD presentations? RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:2252-9. [PMID: 24929307 DOI: 10.1016/j.ridd.2014.05.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 05/15/2014] [Accepted: 05/21/2014] [Indexed: 06/03/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor in Chief, after review by an independent panel of experts, due to evidence of a compromised peer review process and the failure of one author to disclose significant conflicts of interest. An independent peer-review process is a cornerstone of scientific integrity that allows for research to be scrutinized before publication to ensure that conclusions are anchored in sound methodology and objective interpretation of the results. Equally important is that the readership of research is fully informed about any potential competing interests that may have influenced the research process. This article is being retracted because it did not include a declaration of a conflict of interest of one author in relation to diagnostic tools which the paper endorses. The same author was also the Editor in Chief of the journal at the time of publication and evidence indicates that the paper was accepted without any independent peer review by external reviewers. The article is therefore retracted in accordance with the ethical guidelines of Elsevier: https://www.elsevier.com/about/policies/publishing-ethics and the Committee on Publication Ethics (COPE) https://publicationethics.org/files/retraction-guidelines.pdf.
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40
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Matson JL, Williams LW. Depression and mood disorders among persons with autism spectrum disorders. RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:2003-7. [PMID: 24864053 DOI: 10.1016/j.ridd.2014.04.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 04/21/2014] [Indexed: 05/21/2023]
Abstract
In the past decade, Autism Spectrum Disorders (ASD) have both risen in prevalence and become a critical area of research in the field of developmental disabilities. As the body of knowledge about ASD has grown, the overlap of ASD with other problems has also become a rapidly emerging area of study. One of the most studied of these topics is comorbid psychopathology, with depression and mood disorders emerging as one of the more troublesome of these co-occurring conditions. A great deal of research is still needed to determine how best to assess and treat these disorders within the context of ASD. This manuscript reviews current trends and topics relative to this area of study.
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Affiliation(s)
- Johnny L Matson
- Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States.
| | - Lindsey W Williams
- Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States.
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41
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Schroeder SR, Marquis JG, Reese RM, Richman DM, Mayo-Ortega L, Oyama-Ganiko R, LeBlanc J, Brady N, Butler MG, Johnson T, Lawrence L. Risk factors for self-injury, aggression, and stereotyped behavior among young children at risk for intellectual and developmental disabilities. AMERICAN JOURNAL ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES 2014; 119:351-70. [PMID: 25007299 PMCID: PMC5127691 DOI: 10.1352/1944-7558-119.4.351] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Before the 1990s, research on the early identification and prevention of severe behavior disorders (SBDs), such as aggression, self-injury, and stereotyped behavior, among young children with intellectual and developmental disabilities (IDD), was mostly done with children 3 years or older. More recent work suggests that signs of SBDs may occur as early as 6 months in some infants. The present study combined a cross-sectional and longitudinal approach to examine SBDs in 180 young children aged 4-48 months recruited through mass screening, then receiving an interdisciplinary evaluation and six-month follow-ups for one year. Twelve potential risk factors related to SBDs were examined. Eight of these risk factors, including age, gender, diagnosis, intellectual and communication levels, visual impairment, parent education, family income, were differentially related to scores for Aggression, SIB, and Stereotyped Behavior subscales on the Behavior Problems Inventory (BPI-01) at initial interdisciplinary evaluation. BPI-01 scores decreased over the year for 57% of the children and increased for 43%. The amount of decrease on each BPI-01 subscale varied with age, gender, and diagnosis.
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Turygin N, Matson JL, Adams H. RETRACTED: Prevalence of co-occurring disorders in a sample of adults with mild and moderate intellectual disabilities who reside in a residential treatment setting. RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:1802-8. [PMID: 24656808 DOI: 10.1016/j.ridd.2014.01.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 01/25/2014] [Indexed: 06/03/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor in Chief, after review by an independent panel of experts, due to evidence of a compromised peer review process and the failure of one author to disclose significant conflicts of interest. An independent peer-review process is a cornerstone of scientific integrity that allows for research to be scrutinized before publication to ensure that conclusions are anchored in sound methodology and objective interpretation of the results. Equally important is that the readership of research is fully informed about any potential competing interests that may have influenced the research process. This article is being retracted because it did not include a declaration of a conflict of interest of one author in relation to diagnostic tools which the paper endorses. The same author was also the Editor in Chief of the journal at the time of publication and evidence indicates that the paper was accepted without any independent peer review by external reviewers. The article is therefore retracted in accordance with the ethical guidelines of Elsevier: https://www.elsevier.com/about/policies/publishing-ethics and the Committee on Publication Ethics (COPE) https://publicationethics.org/files/retraction-guidelines.pdf.
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MESH Headings
- Adult
- Child Development Disorders, Pervasive/diagnosis
- Child Development Disorders, Pervasive/epidemiology
- Child Development Disorders, Pervasive/psychology
- Child Development Disorders, Pervasive/rehabilitation
- Comorbidity
- Cross-Sectional Studies
- Diagnosis, Dual (Psychiatry)
- Disruptive, Impulse Control, and Conduct Disorders/diagnosis
- Disruptive, Impulse Control, and Conduct Disorders/epidemiology
- Disruptive, Impulse Control, and Conduct Disorders/psychology
- Disruptive, Impulse Control, and Conduct Disorders/rehabilitation
- Female
- Humans
- Intellectual Disability/diagnosis
- Intellectual Disability/epidemiology
- Intellectual Disability/psychology
- Intellectual Disability/rehabilitation
- Intelligence
- Male
- Mental Disorders/diagnosis
- Mental Disorders/epidemiology
- Mental Disorders/psychology
- Mental Disorders/rehabilitation
- Personality Disorders/diagnosis
- Personality Disorders/epidemiology
- Personality Disorders/psychology
- Personality Disorders/rehabilitation
- Residential Treatment
- United States
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Schroeder SR, Richman DM, Abby L, Courtemanche AB, Oyama-Ganiko R. Functional Analysis Outcomes and Comparison of Direct Observations and Informant Rating Scales in the Assessment of Severe Behavior Problems of Infants and Toddlers At-Risk for Developmental Delays. JOURNAL OF DEVELOPMENTAL AND PHYSICAL DISABILITIES 2014; 26:325-334. [PMID: 24778543 PMCID: PMC4000037 DOI: 10.1007/s10882-014-9368-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Severe problem behaviors, like aggression, self-injury, and repetitive behaviors, in people with intellectual and developmental disabilities often appear during early development and may persist without early intervention. The frequencies of self-injurious behavior, aggression, tantrums, property destruction and stereotyped behavior among 17 infants and toddlers at risk for developmental delays and severe behavior problems were assessed using two methods: 1) direct observation of responses during 10 s partial interval recording during analogue functional analysis and 2) the Behavior Problem Inventory-01 (BPI-01; Rojahn et al, 2001), an informant rating scale. Analogue functional analysis results suggested that the most common function for problem behavior was automatic reinforcement, followed by negative reinforcement in the form of escape from demands. Agreement across the two types of measurement systems as to occurrence of the behaviors reported on the BPI-01 and direct observations during analogue functional analyses was greater than 75% across aggression, self-injury, and stereotyped behavior. Agreement at a more molecular level of the ranking of the most commonly occurring specific behaviors was considerably lower. Results are discussed in terms of future research on identifying conditions that set the occasion for high levels of agreement between indirect and direct measurement systems for severe behavior problems.
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Matson JL, Cervantes PE. Commonly studied comorbid psychopathologies among persons with autism spectrum disorder. RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:952-962. [PMID: 24629541 DOI: 10.1016/j.ridd.2014.02.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 02/17/2014] [Indexed: 06/03/2023]
Abstract
The study of comorbid psychopathology among persons with autism spectrum disorder (ASD) is picking up steam. The purpose of this paper was to review and describe important characteristics of existing studies. Among the current crop of papers, depression, anxiety, and attention-deficit/hyperactivity disorder (ADHD) have been frequently evaluated. Groups studied have most frequently been children. Persons with ASD and normal intelligence quotient (IQ) scores have been studied more often than individuals with ASD and intellectual disability. Additional characteristics are discussed, and the implications of these data for future developments in the field are reviewed.
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Affiliation(s)
- Johnny L Matson
- Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
| | - Paige E Cervantes
- Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States.
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45
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Watkins N, Sparling E. The Effectiveness of the Snug Vest on Stereotypic Behaviors in Children Diagnosed With an Autism Spectrum Disorder. Behav Modif 2014; 38:412-27. [DOI: 10.1177/0145445514532128] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Various reviews of the effects of sensory integration therapy (SIT) have concluded that such interventions fail to reduce stereotypy. However, a new, and as yet untested, SIT iteration, an inflatable wearable vest known as the Snug Vest purports to decrease such repetitive behavior. In the current study, three children who emitted different forms of stereotypy participated in an alternating treatments design in which each participant wore a fully inflated vest and either a fully deflated vest or no vest. The results of the study show that the Snug Vest failed to reduce any participants’ stereotypy. We highlight our findings in the context of professional practice and discuss several potential limitations.
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47
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Abstract
This study compares primary stereotypies (repetitive, self-stimulating, and seemingly nonsensical movements that can occur within typically developing children) and secondary stereotypies (those occurring within autistic or mentally retarded children). Utilizing a retrospective chart review from 1995 to 2010, the current study compares primary and secondary stereotypies by the application of a classification system that organizes the movement by its type (motor only, phonic only, mixed) and complexity. In addition, it investigates other parameters associated with the movements such as duration, frequency, age, functional impairment, and progression. The sample group consisted of 28 primary and 28 secondary cases. Primary stereotypies were predominantly motor, simple, of shorter duration, and of less frequency, whereas secondary stereotypies had more vocalization, complexity, longer durations, and higher frequencies. Moreover, functional impairment due to stereotypies was noted in 3 primary and 7 secondary cases, and worsening of stereotypies was noted in 70% of primary versus 44% of secondary cases.
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Affiliation(s)
- Debabrata Ghosh
- 1Pediatric Neurology Center, Children's Hospital, Cleveland Clinic, Cleveland, OH, USA
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48
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The Most Commonly Reported Behavior Analytic Methods in Early Intensive Autism Treatments. REVIEW JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS 2013. [DOI: 10.1007/s40489-013-0005-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Maaswinkel H, Zhu L, Weng W. Assessing social engagement in heterogeneous groups of zebrafish: a new paradigm for autism-like behavioral responses. PLoS One 2013; 8:e75955. [PMID: 24116082 PMCID: PMC3792997 DOI: 10.1371/journal.pone.0075955] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Accepted: 08/16/2013] [Indexed: 11/24/2022] Open
Abstract
Because of its highly developed social character, zebrafish is a promising model system for the study of the genetic and neurochemical basis of altered social engagement such as is common in autism and schizophrenia. The traditional shoaling paradigm investigates social cohesion in homogeneous groups of zebrafish. However, the social dynamics of mixed groups is gaining interest from a therapeutic point of view and thus warrants animal modeling. Furthermore, mutant zebrafish are not always available in large numbers. Therefore, we developed a new paradigm that allows exploring shoaling in heterogeneous groups. The effects of MK-801, a non-competitive antagonist of the glutamate N-methyl-D-aspartate (NMDA) receptor, on social cohesion were studied to evaluate the paradigm. The drug has previously been shown to mimic aspects of autism and schizophrenia. Our results show that a single MK-801-treated zebrafish reduced social cohesion of the entire shoal drastically. Preliminary observations suggest that the social dynamics of the shoal as a whole was altered.
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Affiliation(s)
- Hans Maaswinkel
- Research and Development, xyZfish, Ronkonkoma, New York, United States of America
- * E-mail:
| | - Liqun Zhu
- Research and Development, xyZfish, Ronkonkoma, New York, United States of America
| | - Wei Weng
- Research and Development, xyZfish, Ronkonkoma, New York, United States of America
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Hattier MA, Matson JL, Macmillan K, Williams L. Stereotyped behaviours in children with autism spectrum disorders and atypical development as measured by the BPI-01. Dev Neurorehabil 2013; 16:291-300. [PMID: 24020875 DOI: 10.3109/17518423.2012.727107] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE As repetitive behaviours in children with autism spectrum disorders (ASDs) can significantly interfere with one's daily functioning, continued research on these behaviours is needed. METHODS This study examined the occurrence of repetitive motor movements in toddlers (17-37 months) with ASD and atypical development and the relationship between stereotypies and sensory impairment. RESULTS Children with ASD (n = 13) exhibited significantly more repetitive behaviours than the non-ASD group (n = 12). Greater percentages of endorsement were evident for the ASD group on nearly all items of the Behaviour Problems Inventory-01 (BPI-01) Stereotypy subscale. More repetitive behaviours tended to co-occur with other stereotypies for the ASD group. A moderate correlation was found between stereotypy severity and sensory deficits. CONCLUSION These findings suggest that stereotyped behaviours can be identified at very young ages, negatively affect the behavioural presentation of those with ASDs and should be considered when developing treatment plans.
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Affiliation(s)
- Megan A Hattier
- Department of Psychology, Louisiana State University , Baton Rouge, LA 70803 , USA
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