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Associations among sensory hyperresponsiveness, restricted and repetitive behaviors, and anxiety in autism: An integrated systematic review / Kathryn L. WILLIAMS in Research in Autism Spectrum Disorders, 83 (May 2021)
[article]
Titre : Associations among sensory hyperresponsiveness, restricted and repetitive behaviors, and anxiety in autism: An integrated systematic review Type de document : Texte imprimé et/ou numérique Auteurs : Kathryn L. WILLIAMS, Auteur ; Emily CAMPI, Auteur ; Grace T. BARANEK, Auteur Article en page(s) : 101763 Langues : Anglais (eng) Mots-clés : Autism Anxiety Hyperresponsiveness Restricted Repetitive behaviors Systematic review Mixed methods Index. décimale : PER Périodiques Résumé : Background Autistic individuals exhibit core and co-occurring features that can be disabling to daily functioning and impede quality of life. The combined expression of three closely related features: sensory hyperresponsiveness, restricted interests and repetitive behaviors, and anxiety, may be a sign to practitioners that experiences in the environment are particularly challenging. These are investigated through many approaches, including animal modelling, neurological or physiological measures, behavioral observation, and first-hand accounts. However, little work has been done to review evidence across approaches to better understand their expression. Method This study was an integrated systematic review to identify factors that contribute to the collective expression of three constructs of interests (COIs; hyperresponsiveness, restricted interests and repetitive behaviors, and anxiety). Twenty-two articles were analyzed for both structural and thematic patterns. This review is unique in its inclusion of articles from a variety of disciplines and grouping of studies based on similarities over methodological techniques (i.e. quantitative, qualitative, or mixed methods). Results Three overall structural approaches relating the constructs of interest were identified (parallel, relational, and contingent). Three overarching themes also emerged: 1) the broader social context, 2) predictability of environmental factors, and 3) overlap with cognitive and behavioral coping strategies. Conclusions Results highlight clinically relevant information about the combined expression of the three COIs and demonstrate possibilities for increased collaboration across disciplines through common themes and study structures to further understand the experiences of autistic people. En ligne : https://doi.org/10.1016/j.rasd.2021.101763 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445
in Research in Autism Spectrum Disorders > 83 (May 2021) . - 101763[article] Associations among sensory hyperresponsiveness, restricted and repetitive behaviors, and anxiety in autism: An integrated systematic review [Texte imprimé et/ou numérique] / Kathryn L. WILLIAMS, Auteur ; Emily CAMPI, Auteur ; Grace T. BARANEK, Auteur . - 101763.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 83 (May 2021) . - 101763
Mots-clés : Autism Anxiety Hyperresponsiveness Restricted Repetitive behaviors Systematic review Mixed methods Index. décimale : PER Périodiques Résumé : Background Autistic individuals exhibit core and co-occurring features that can be disabling to daily functioning and impede quality of life. The combined expression of three closely related features: sensory hyperresponsiveness, restricted interests and repetitive behaviors, and anxiety, may be a sign to practitioners that experiences in the environment are particularly challenging. These are investigated through many approaches, including animal modelling, neurological or physiological measures, behavioral observation, and first-hand accounts. However, little work has been done to review evidence across approaches to better understand their expression. Method This study was an integrated systematic review to identify factors that contribute to the collective expression of three constructs of interests (COIs; hyperresponsiveness, restricted interests and repetitive behaviors, and anxiety). Twenty-two articles were analyzed for both structural and thematic patterns. This review is unique in its inclusion of articles from a variety of disciplines and grouping of studies based on similarities over methodological techniques (i.e. quantitative, qualitative, or mixed methods). Results Three overall structural approaches relating the constructs of interest were identified (parallel, relational, and contingent). Three overarching themes also emerged: 1) the broader social context, 2) predictability of environmental factors, and 3) overlap with cognitive and behavioral coping strategies. Conclusions Results highlight clinically relevant information about the combined expression of the three COIs and demonstrate possibilities for increased collaboration across disciplines through common themes and study structures to further understand the experiences of autistic people. En ligne : https://doi.org/10.1016/j.rasd.2021.101763 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445 Olfactory processing in adults with autism spectrum disorders / B. WICKER in Molecular Autism, 7 (2016)
[article]
Titre : Olfactory processing in adults with autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : B. WICKER, Auteur ; E. MONFARDINI, Auteur ; J. P. ROYET, Auteur Article en page(s) : 4p. Langues : Anglais (eng) Mots-clés : Adult Autism Spectrum Disorder/physiopathology/psychology Differential Threshold/physiology Emotions/physiology Female Humans Hyperesthesia/etiology/physiopathology/psychology Hypesthesia/etiology/physiopathology/psychology Male Odorants Olfactory Pathways/physiopathology Olfactory Perception/physiology Pleasure Recognition (Psychology)/physiology Sensory Thresholds Young Adult Autism spectrum disorders Hyperresponsiveness Identification Intensity Olfaction Pleasantness Suprathreshold detection Index. décimale : PER Périodiques Résumé : BACKGROUND: As evidenced in the DSM-V, autism spectrum disorders (ASD) are often characterized by atypical sensory behavior (hyper- or hypo-reactivity), but very few studies have evaluated olfactory abilities in individuals with ASD. METHODS: Fifteen adults with ASD and 15 typically developing participants underwent olfactory tests focused on superficial (suprathreshold detection task), perceptual (intensity and pleasantness judgment tasks), and semantic (identification task) odor processing. RESULTS: In terms of suprathreshold detection performance, decreased discrimination scores and increased bias scores were observed in the ASD group. Furthermore, the participants with ASD exhibited increased intensity judgment scores and impaired scores for pleasantness judgments of unpleasant odorants. Decreased identification performance was also observed in the participants with ASD compared with the typically developing participants. This decrease was partly attributed to a higher number of near misses (a category close to veridical labels) among the participants with ASD than was observed among the typically developing participants. CONCLUSIONS: The changes in discrimination and bias scores were the result of a high number of false alarms among the participants with ASD, which suggests the adoption of a liberal attitude in their responses. Atypical intensity and pleasantness ratings were associated with hyperresponsiveness and flattened emotional reactions, respectively, which are typical of participants with ASD. The high number of near misses as non-veridical labels suggested that categorical processing is functional in individuals with ASD and could be explained by attention-deficit/hyperactivity disorder. These findings are discussed in terms of dysfunction of the olfactory system. En ligne : http://dx.doi.org/10.1186/s13229-016-0070-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=329
in Molecular Autism > 7 (2016) . - 4p.[article] Olfactory processing in adults with autism spectrum disorders [Texte imprimé et/ou numérique] / B. WICKER, Auteur ; E. MONFARDINI, Auteur ; J. P. ROYET, Auteur . - 4p.
Langues : Anglais (eng)
in Molecular Autism > 7 (2016) . - 4p.
Mots-clés : Adult Autism Spectrum Disorder/physiopathology/psychology Differential Threshold/physiology Emotions/physiology Female Humans Hyperesthesia/etiology/physiopathology/psychology Hypesthesia/etiology/physiopathology/psychology Male Odorants Olfactory Pathways/physiopathology Olfactory Perception/physiology Pleasure Recognition (Psychology)/physiology Sensory Thresholds Young Adult Autism spectrum disorders Hyperresponsiveness Identification Intensity Olfaction Pleasantness Suprathreshold detection Index. décimale : PER Périodiques Résumé : BACKGROUND: As evidenced in the DSM-V, autism spectrum disorders (ASD) are often characterized by atypical sensory behavior (hyper- or hypo-reactivity), but very few studies have evaluated olfactory abilities in individuals with ASD. METHODS: Fifteen adults with ASD and 15 typically developing participants underwent olfactory tests focused on superficial (suprathreshold detection task), perceptual (intensity and pleasantness judgment tasks), and semantic (identification task) odor processing. RESULTS: In terms of suprathreshold detection performance, decreased discrimination scores and increased bias scores were observed in the ASD group. Furthermore, the participants with ASD exhibited increased intensity judgment scores and impaired scores for pleasantness judgments of unpleasant odorants. Decreased identification performance was also observed in the participants with ASD compared with the typically developing participants. This decrease was partly attributed to a higher number of near misses (a category close to veridical labels) among the participants with ASD than was observed among the typically developing participants. CONCLUSIONS: The changes in discrimination and bias scores were the result of a high number of false alarms among the participants with ASD, which suggests the adoption of a liberal attitude in their responses. Atypical intensity and pleasantness ratings were associated with hyperresponsiveness and flattened emotional reactions, respectively, which are typical of participants with ASD. The high number of near misses as non-veridical labels suggested that categorical processing is functional in individuals with ASD and could be explained by attention-deficit/hyperactivity disorder. These findings are discussed in terms of dysfunction of the olfactory system. En ligne : http://dx.doi.org/10.1186/s13229-016-0070-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=329