Reports of Echolalia and Related Behaviors in Autism From Parents, Teachers, and Clinicians: Evidence From the Simon Simplex Collection / Margaret L. MCALLISTER in Autism Research, 18-3 (March 2025)  

Public ISBD [article]  inAutism Research > 18-3 (March 2025) . - p.528-540 Titre : Reports of Echolalia and Related Behaviors in Autism From Parents, Teachers, and Clinicians: Evidence From the Simon Simplex Collection Type de document : texte imprimé Auteurs : Margaret L. MCALLISTER, Auteur ; Tyler C. MCFAYDEN, Auteur ; Clare HARROP, Auteur Article en page(s) : p.528-540 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  communication  echolalia  language  stereotyped behavior Index. décimale : PER Périodiques Résumé : ABSTRACT Echolalia, the immediate or delayed repetition of speech, is a core diagnostic criterion for autism spectrum disorder. It has been studied for over 50 years and is well-described; however, no consensus on prevalence estimates exists for echolalia's occurrence in autistic youth. The current study sought to (1) describe endorsement of echolalia-related items using parent-, teacher-, and clinician-reports in a well-validated sample of autistic youth and (2) characterize relations between echolalia and other key factors, including age, language ability, and repetitive behaviors. Participants (n 2555, 4 17 years, 13% female, 78% White) from the Simon Simplex Collection provided data from multi-informant ratings of echolalia and related behaviors. Nine parent-, clinician-, and teacher-report items were extracted from five measures to broadly capture echolalia through a composite score. Results indicated that as many as 90% of autistic individuals express echolalia at some point in their development. Hierarchical linear regression was conducted to evaluate relations between echolalia, verbal ability, and repetitive behaviors, controlling for age, sex, and autism severity. Results indicated the main effects of verbal ability and repetitive behaviors. A significant interaction qualified this main effect wherein age was negatively associated with echolalia for children with higher verbal ability, but not those with lower verbal ability, suggesting that adolescents with less generative speech may leverage echolalia as a communicative strategy. Echolalia was positively associated with repetitive behaviors across development. These associations support a dualistic interpretation of echolalia as functional communication and as a form of repetitive behavior. Future research is needed to understand the developmental trajectories of echolalia and develop affirming support for this autistic behavior. En ligne : https://doi.org/10.1002/aur.3298 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=550 [article] Reports of Echolalia and Related Behaviors in Autism From Parents, Teachers, and Clinicians: Evidence From the Simon Simplex Collection [texte imprimé] / Margaret L. MCALLISTER, Auteur ; Tyler C. MCFAYDEN, Auteur ; Clare HARROP, Auteur . - p.528-540. Langues : Anglais (eng) in Autism Research > 18-3 (March 2025) . - p.528-540 Mots-clés : autism spectrum disorder  communication  echolalia  language  stereotyped behavior Index. décimale : PER Périodiques Résumé : ABSTRACT Echolalia, the immediate or delayed repetition of speech, is a core diagnostic criterion for autism spectrum disorder. It has been studied for over 50 years and is well-described; however, no consensus on prevalence estimates exists for echolalia's occurrence in autistic youth. The current study sought to (1) describe endorsement of echolalia-related items using parent-, teacher-, and clinician-reports in a well-validated sample of autistic youth and (2) characterize relations between echolalia and other key factors, including age, language ability, and repetitive behaviors. Participants (n 2555, 4 17 years, 13% female, 78% White) from the Simon Simplex Collection provided data from multi-informant ratings of echolalia and related behaviors. Nine parent-, clinician-, and teacher-report items were extracted from five measures to broadly capture echolalia through a composite score. Results indicated that as many as 90% of autistic individuals express echolalia at some point in their development. Hierarchical linear regression was conducted to evaluate relations between echolalia, verbal ability, and repetitive behaviors, controlling for age, sex, and autism severity. Results indicated the main effects of verbal ability and repetitive behaviors. A significant interaction qualified this main effect wherein age was negatively associated with echolalia for children with higher verbal ability, but not those with lower verbal ability, suggesting that adolescents with less generative speech may leverage echolalia as a communicative strategy. Echolalia was positively associated with repetitive behaviors across development. These associations support a dualistic interpretation of echolalia as functional communication and as a form of repetitive behavior. Future research is needed to understand the developmental trajectories of echolalia and develop affirming support for this autistic behavior. En ligne : https://doi.org/10.1002/aur.3298 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=550

Who, when, where, and why: A systematic review of "late diagnosis" in autism / Alison RUSSELL ; Tyler C. MCFAYDEN ; Margaret L. MCALLISTER ; Kimberly LILES ; Sophie BITTNER ; John F. STRANG ; Clare HARROP in Autism Research, 18-1 (January 2025)  

Public ISBD [article]  inAutism Research > 18-1 (January 2025) . - p.22-36 Titre : Who, when, where, and why: A systematic review of "late diagnosis" in autism : Autism Research Type de document : texte imprimé Auteurs : Alison RUSSELL, Auteur ; Tyler C. MCFAYDEN, Auteur ; Margaret L. MCALLISTER, Auteur ; Kimberly LILES, Auteur ; Sophie BITTNER, Auteur ; John F. STRANG, Auteur ; Clare HARROP, Auteur Article en page(s) : p.22-36 Langues : Anglais (eng) Mots-clés : age at diagnosis  ASD  autism  diagnosis  late diagnosis Index. décimale : PER Périodiques Résumé : Abstract An autism diagnosis can be a critical milestone toward effective and affirming support. Despite the sharp increase in the number of studies focused on late diagnosis over the last 15 years, there remains no consensus as to what constitutes a late diagnosis of autism, with cutoffs ranging from infancy to middle adulthood. This preregistered systematic review evaluated (a) the field's current quantification of late diagnosis in autism, (b) how the threshold for late diagnosis varies as a function of demographic and population factors, and (c) trends over time. Of the 11,697 records retrieved, N 420 articles met inclusion criteria and were extracted. Articles spanned 35 years (1989 2024) and included participants from every continent except Antarctica. Only 34.7% of included studies provided a clear threshold for ?late diagnosis? (n 146/420). Late diagnosis cutoffs averaged 11.53 years (range 2 55 years; median 6.5 years) with a bimodal distribution (3 and 18 years). The threshold for late diagnosis varied by participant location, F(5,140) 10.4, p?< 0.0001, and sample age, F(5,140) 20.1, p?< 0.0001. Several key rationales for age determinations emerged, including access to services, considerations for adult diagnoses, and data driven approaches. What authors consider to be a ?late? diagnosis of autism varies greatly according to research context. Justifications for a specific late-diagnosis age cutoff varied, underscoring the need for authors to contextualize their conceptualizations. En ligne : https://doi.org/10.1002/aur.3278 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=546 [article] Who, when, where, and why: A systematic review of "late diagnosis" in autism : Autism Research [texte imprimé] / Alison RUSSELL, Auteur ; Tyler C. MCFAYDEN, Auteur ; Margaret L. MCALLISTER, Auteur ; Kimberly LILES, Auteur ; Sophie BITTNER, Auteur ; John F. STRANG, Auteur ; Clare HARROP, Auteur . - p.22-36. Langues : Anglais (eng) in Autism Research > 18-1 (January 2025) . - p.22-36 Mots-clés : age at diagnosis  ASD  autism  diagnosis  late diagnosis Index. décimale : PER Périodiques Résumé : Abstract An autism diagnosis can be a critical milestone toward effective and affirming support. Despite the sharp increase in the number of studies focused on late diagnosis over the last 15 years, there remains no consensus as to what constitutes a late diagnosis of autism, with cutoffs ranging from infancy to middle adulthood. This preregistered systematic review evaluated (a) the field's current quantification of late diagnosis in autism, (b) how the threshold for late diagnosis varies as a function of demographic and population factors, and (c) trends over time. Of the 11,697 records retrieved, N 420 articles met inclusion criteria and were extracted. Articles spanned 35 years (1989 2024) and included participants from every continent except Antarctica. Only 34.7% of included studies provided a clear threshold for ?late diagnosis? (n 146/420). Late diagnosis cutoffs averaged 11.53 years (range 2 55 years; median 6.5 years) with a bimodal distribution (3 and 18 years). The threshold for late diagnosis varied by participant location, F(5,140) 10.4, p?< 0.0001, and sample age, F(5,140) 20.1, p?< 0.0001. Several key rationales for age determinations emerged, including access to services, considerations for adult diagnoses, and data driven approaches. What authors consider to be a ?late? diagnosis of autism varies greatly according to research context. Justifications for a specific late-diagnosis age cutoff varied, underscoring the need for authors to contextualize their conceptualizations. En ligne : https://doi.org/10.1002/aur.3278 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=546

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