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Episodic Future Thinking in Autism Spectrum Disorder and 22q11.2 Deletion Syndrome: Association with Anticipatory Pleasure and Social Functioning / C. FELLER in Journal of Autism and Developmental Disorders, 51-12 (December 2021)
[article]
Titre : Episodic Future Thinking in Autism Spectrum Disorder and 22q11.2 Deletion Syndrome: Association with Anticipatory Pleasure and Social Functioning Type de document : Texte imprimé et/ou numérique Auteurs : C. FELLER, Auteur ; C. DUBOIS, Auteur ; S. ELIEZ, Auteur ; M. SCHNEIDER, Auteur Article en page(s) : p.4587-4604 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder DiGeorge Syndrome Humans Memory, Episodic Mental Recall Pleasure Social Interaction 22q11.2 deletion syndrome Anticipatory pleasure Autism spectrum disorder Autonoetic consciousness Episodic future thinking Social functioning Index. décimale : PER Périodiques Résumé : Episodic future thinking (EFT) has been suggested to underlie anticipatory pleasure (AP), itself known to play a crucial role in social functioning (SF). Both AP and SF are impaired in various clinical populations, including autism spectrum disorders (ASD) and 22q11.2 deletion syndrome (22q11DS). Therefore, the relationship between EFT, AP and SF was investigated, as well as the potential role of projecting oneself in a social vs. non-social context. Seventy-seven participants [24 with 22q11DS, 20 with ASD, 33 typically developing controls (TDs)] (aged 12-25) were included. They were assessed with a future thinking task in which they were asked to recall a memory and produce a likely event. Narratives were rated based of specificity, richness and imaginability. Participants completed questionnaires assessing AP and SF. Narratives from ASD and 22q11DS participants were rated as less vivid compared to TDs. However, the characteristics of the narratives differed between ASD and 22q11DS participants in terms of specificity and level of details, as well as in reaction to social condition. Moreover, correlations were found between AP and EFT in both ASD and 22q11DS participants, and between SF and EFT in ASD participants. These results point towards impairments in EFT in both ASD and 22q11DS participants but with a specific profile in each condition. The observed associations between EFT and AP suggest that decreased autonoetic consciousness might underlie AP impairments. In ASD individuals, the association between SF and EFT highlights the need to better characterize EFT since EFT could be another mechanism contributing to social difficulties. En ligne : http://dx.doi.org/10.1007/s10803-021-04903-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=454
in Journal of Autism and Developmental Disorders > 51-12 (December 2021) . - p.4587-4604[article] Episodic Future Thinking in Autism Spectrum Disorder and 22q11.2 Deletion Syndrome: Association with Anticipatory Pleasure and Social Functioning [Texte imprimé et/ou numérique] / C. FELLER, Auteur ; C. DUBOIS, Auteur ; S. ELIEZ, Auteur ; M. SCHNEIDER, Auteur . - p.4587-4604.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 51-12 (December 2021) . - p.4587-4604
Mots-clés : Autism Spectrum Disorder DiGeorge Syndrome Humans Memory, Episodic Mental Recall Pleasure Social Interaction 22q11.2 deletion syndrome Anticipatory pleasure Autism spectrum disorder Autonoetic consciousness Episodic future thinking Social functioning Index. décimale : PER Périodiques Résumé : Episodic future thinking (EFT) has been suggested to underlie anticipatory pleasure (AP), itself known to play a crucial role in social functioning (SF). Both AP and SF are impaired in various clinical populations, including autism spectrum disorders (ASD) and 22q11.2 deletion syndrome (22q11DS). Therefore, the relationship between EFT, AP and SF was investigated, as well as the potential role of projecting oneself in a social vs. non-social context. Seventy-seven participants [24 with 22q11DS, 20 with ASD, 33 typically developing controls (TDs)] (aged 12-25) were included. They were assessed with a future thinking task in which they were asked to recall a memory and produce a likely event. Narratives were rated based of specificity, richness and imaginability. Participants completed questionnaires assessing AP and SF. Narratives from ASD and 22q11DS participants were rated as less vivid compared to TDs. However, the characteristics of the narratives differed between ASD and 22q11DS participants in terms of specificity and level of details, as well as in reaction to social condition. Moreover, correlations were found between AP and EFT in both ASD and 22q11DS participants, and between SF and EFT in ASD participants. These results point towards impairments in EFT in both ASD and 22q11DS participants but with a specific profile in each condition. The observed associations between EFT and AP suggest that decreased autonoetic consciousness might underlie AP impairments. In ASD individuals, the association between SF and EFT highlights the need to better characterize EFT since EFT could be another mechanism contributing to social difficulties. En ligne : http://dx.doi.org/10.1007/s10803-021-04903-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=454 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