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Détail de l'auteur
Auteur Calum HARTLEY |
Documents disponibles écrits par cet auteur (4)
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Brief Report: Generalisation of Word–Picture Relations in Children with Autism and Typically Developing Children / Calum HARTLEY in Journal of Autism and Developmental Disorders, 44-8 (August 2014)
[article]
Titre : Brief Report: Generalisation of Word–Picture Relations in Children with Autism and Typically Developing Children Type de document : Texte imprimé et/ou numérique Auteurs : Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur Article en page(s) : p.2064-2071 Langues : Anglais (eng) Mots-clés : Autism Words Understanding pictures Generalisation Shape bias Colour Index. décimale : PER Périodiques Résumé : We investigated whether low-functioning children with autism generalise labels from colour photographs based on sameness of shape, colour, or both. Children with autism and language-matched controls were taught novel words paired with photographs of unfamiliar objects, and then sorted pictures and objects into two buckets according to whether or not they were also referents of the newly-learned labels. Stimuli matched depicted referents on shape and/or colour. Children with autism extended labels to items that matched depicted objects on shape and colour, but also frequently generalised to items that matched on only shape or colour. Controls only generalised labels to items that matched the depicted referent’s shape. Thus, low-functioning children with autism may not understand that shape constrains symbolic word–picture–object relations. En ligne : http://dx.doi.org/10.1007/s10803-014-2074-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236
in Journal of Autism and Developmental Disorders > 44-8 (August 2014) . - p.2064-2071[article] Brief Report: Generalisation of Word–Picture Relations in Children with Autism and Typically Developing Children [Texte imprimé et/ou numérique] / Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur . - p.2064-2071.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-8 (August 2014) . - p.2064-2071
Mots-clés : Autism Words Understanding pictures Generalisation Shape bias Colour Index. décimale : PER Périodiques Résumé : We investigated whether low-functioning children with autism generalise labels from colour photographs based on sameness of shape, colour, or both. Children with autism and language-matched controls were taught novel words paired with photographs of unfamiliar objects, and then sorted pictures and objects into two buckets according to whether or not they were also referents of the newly-learned labels. Stimuli matched depicted referents on shape and/or colour. Children with autism extended labels to items that matched depicted objects on shape and colour, but also frequently generalised to items that matched on only shape or colour. Controls only generalised labels to items that matched the depicted referent’s shape. Thus, low-functioning children with autism may not understand that shape constrains symbolic word–picture–object relations. En ligne : http://dx.doi.org/10.1007/s10803-014-2074-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236 Exploring the Influence of Object Similarity and Desirability on Children?s Ownership Identification and Preferences in Autism and Typical Development / Calum HARTLEY ; Laura-Ashleigh Bird in Journal of Autism and Developmental Disorders, 53-6 (June 2023)
[article]
Titre : Exploring the Influence of Object Similarity and Desirability on Children?s Ownership Identification and Preferences in Autism and Typical Development : Journal of Autism and Developmental Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Calum HARTLEY, Auteur ; Laura-Ashleigh Bird, Auteur Article en page(s) : p.2362-2372 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : This study investigated how ownership identification accuracy and object preferences in children with autism spectrum disorder (ASD) are influenced by visual distinctiveness and relative desirability. Unlike typically developing (TD) children matched on receptive language (M age equivalents: 58.8-59.9 months), children with ASD had difficulty identifying another person?s property when object discriminability was low and identifying their own relatively undesirable objects. Children with ASD identified novel objects designated to them with no greater accuracy than objects designated to others, and associating objects with the self did not bias their preferences. We propose that, due to differences in development of the psychological self, ownership does not increase the attentional or preferential salience of objects for children with ASD. En ligne : https://doi.org/10.1007/s10803-022-05489-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=506
in Journal of Autism and Developmental Disorders > 53-6 (June 2023) . - p.2362-2372[article] Exploring the Influence of Object Similarity and Desirability on Children?s Ownership Identification and Preferences in Autism and Typical Development : Journal of Autism and Developmental Disorders [Texte imprimé et/ou numérique] / Calum HARTLEY, Auteur ; Laura-Ashleigh Bird, Auteur . - p.2362-2372.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 53-6 (June 2023) . - p.2362-2372
Index. décimale : PER Périodiques Résumé : This study investigated how ownership identification accuracy and object preferences in children with autism spectrum disorder (ASD) are influenced by visual distinctiveness and relative desirability. Unlike typically developing (TD) children matched on receptive language (M age equivalents: 58.8-59.9 months), children with ASD had difficulty identifying another person?s property when object discriminability was low and identifying their own relatively undesirable objects. Children with ASD identified novel objects designated to them with no greater accuracy than objects designated to others, and associating objects with the self did not bias their preferences. We propose that, due to differences in development of the psychological self, ownership does not increase the attentional or preferential salience of objects for children with ASD. En ligne : https://doi.org/10.1007/s10803-022-05489-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=506 Iconicity influences how effectively minimally verbal children with autism and ability-matched typically developing children use pictures as symbols in a search task / Calum HARTLEY in Autism, 19-5 (July 2015)
[article]
Titre : Iconicity influences how effectively minimally verbal children with autism and ability-matched typically developing children use pictures as symbols in a search task Type de document : Texte imprimé et/ou numérique Auteurs : Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur Article en page(s) : p.570-579 Langues : Anglais (eng) Mots-clés : autism iconicity Picture Exchange Communication System symbols understanding pictures Index. décimale : PER Périodiques Résumé : Previous word learning studies suggest that children with autism spectrum disorder may have difficulty understanding pictorial symbols. Here we investigate the ability of children with autism spectrum disorder and language-matched typically developing children to contextualize symbolic information communicated by pictures in a search task that did not involve word learning. Out of the participant’s view, a small toy was concealed underneath one of four unique occluders that were individuated by familiar nameable objects or unfamiliar unnamable objects. Children were shown a picture of the hiding location and then searched for the toy. Over three sessions, children completed trials with color photographs, black-and-white line drawings, and abstract color pictures. The results reveal zero group differences; neither children with autism spectrum disorder nor typically developing children were influenced by occluder familiarity, and both groups’ errorless retrieval rates were above-chance with all three picture types. However, both groups made significantly more errorless retrievals in the most-iconic photograph trials, and performance was universally predicted by receptive language. Therefore, our findings indicate that children with autism spectrum disorder and young typically developing children can contextualize pictures and use them to adaptively guide their behavior in real time and space. However, this ability is significantly influenced by receptive language development and pictorial iconicity. En ligne : http://dx.doi.org/10.1177/1362361314536634 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=261
in Autism > 19-5 (July 2015) . - p.570-579[article] Iconicity influences how effectively minimally verbal children with autism and ability-matched typically developing children use pictures as symbols in a search task [Texte imprimé et/ou numérique] / Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur . - p.570-579.
Langues : Anglais (eng)
in Autism > 19-5 (July 2015) . - p.570-579
Mots-clés : autism iconicity Picture Exchange Communication System symbols understanding pictures Index. décimale : PER Périodiques Résumé : Previous word learning studies suggest that children with autism spectrum disorder may have difficulty understanding pictorial symbols. Here we investigate the ability of children with autism spectrum disorder and language-matched typically developing children to contextualize symbolic information communicated by pictures in a search task that did not involve word learning. Out of the participant’s view, a small toy was concealed underneath one of four unique occluders that were individuated by familiar nameable objects or unfamiliar unnamable objects. Children were shown a picture of the hiding location and then searched for the toy. Over three sessions, children completed trials with color photographs, black-and-white line drawings, and abstract color pictures. The results reveal zero group differences; neither children with autism spectrum disorder nor typically developing children were influenced by occluder familiarity, and both groups’ errorless retrieval rates were above-chance with all three picture types. However, both groups made significantly more errorless retrievals in the most-iconic photograph trials, and performance was universally predicted by receptive language. Therefore, our findings indicate that children with autism spectrum disorder and young typically developing children can contextualize pictures and use them to adaptively guide their behavior in real time and space. However, this ability is significantly influenced by receptive language development and pictorial iconicity. En ligne : http://dx.doi.org/10.1177/1362361314536634 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=261 Symbolic Understanding of Pictures in Low-Functioning Children with Autism: The Effects of Iconicity and Naming / Calum HARTLEY in Journal of Autism and Developmental Disorders, 45-1 (January 2015)
[article]
Titre : Symbolic Understanding of Pictures in Low-Functioning Children with Autism: The Effects of Iconicity and Naming Type de document : Texte imprimé et/ou numérique Auteurs : Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur Article en page(s) : p.15-30 Langues : Anglais (eng) Mots-clés : Autism Understanding pictures Iconicity Naming Picture exchange communication system Index. décimale : PER Périodiques Résumé : This research investigated whether symbolic understanding of pictures in low-functioning children with autism is mediated by iconicity and language. In Experiment 1, participants were taught novel words paired with unfamiliar pictures that varied in iconicity (black-and-white line drawings, greyscale photographs, colour line drawings, colour photographs). Unlike mental-age matched typically developing peers, children with autism generally mapped words onto pictures rather than depicted referents, however, they generalised labels more frequently in colour picture conditions. In Experiment 2, children with autism categorised a line drawing with its referent, rather than another picture, regardless of whether it was named. Typically developing children only viewed pictures as symbols when they were labelled. Overall, symbolic understanding of pictures in children with autism is facilitated by iconicity (particularly colour), but not language. En ligne : http://dx.doi.org/10.1007/s10803-013-2007-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258
in Journal of Autism and Developmental Disorders > 45-1 (January 2015) . - p.15-30[article] Symbolic Understanding of Pictures in Low-Functioning Children with Autism: The Effects of Iconicity and Naming [Texte imprimé et/ou numérique] / Calum HARTLEY, Auteur ; Melissa L. ALLEN, Auteur . - p.15-30.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-1 (January 2015) . - p.15-30
Mots-clés : Autism Understanding pictures Iconicity Naming Picture exchange communication system Index. décimale : PER Périodiques Résumé : This research investigated whether symbolic understanding of pictures in low-functioning children with autism is mediated by iconicity and language. In Experiment 1, participants were taught novel words paired with unfamiliar pictures that varied in iconicity (black-and-white line drawings, greyscale photographs, colour line drawings, colour photographs). Unlike mental-age matched typically developing peers, children with autism generally mapped words onto pictures rather than depicted referents, however, they generalised labels more frequently in colour picture conditions. In Experiment 2, children with autism categorised a line drawing with its referent, rather than another picture, regardless of whether it was named. Typically developing children only viewed pictures as symbols when they were labelled. Overall, symbolic understanding of pictures in children with autism is facilitated by iconicity (particularly colour), but not language. En ligne : http://dx.doi.org/10.1007/s10803-013-2007-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258