Informational and Normative Influence on Conformity in Autism / Akiko KOBAYASHI in Autism Research, 19-7 (July 2026)  

Public ISBD [article]  inAutism Research > 19-7 (July 2026) . - p.e70284 Titre : Informational and Normative Influence on Conformity in Autism Type de document : texte imprimé Auteurs : Akiko KOBAYASHI, Auteur ; Takuya MAKINO, Auteur ; Yuka MIZUNO, Auteur ; Hirotaka KOSAKA, Auteur ; Keise IZUMA, Auteur Article en page(s) : p.e70284 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  heterogeneity  informational influence  normative influence  social camouflaging  social conformity Index. décimale : PER Périodiques Résumé : ABSTRACT This preregistered study examined whether adults with autism spectrum disorder (ASD) show reduced social conformity and whether any such reduction depends on the type of social influence. Social conformity?the tendency to adjust one's judgments to align with those of others?is typically driven by normative (acceptance-seeking) and informational (accuracy-seeking) motives. Thirty adults with ASD and 30 matched neurotypical (NT) adults completed two tasks: a preference rating task indexing normative influence, and a dot-counting task indexing informational influence with monetary rewards. Contrary to our predictions, adults with ASD conformed as much as NT adults in the preference rating task but showed significantly reduced conformity in the dot-counting task. Exploratory analyses indicated that this reduction was driven by a distinct subgroup of nine adults with ASD who never revised their initial estimates despite informative social cues, resulting in poorer accuracy and lower rewards. When this subgroup was excluded, group differences in conformity were no longer evident. These findings suggest that, overall, adults with ASD are as susceptible as NT adults to normative influence but less responsive to informational influence, highlighting the importance of distinguishing between types of social influence and considering individual differences when characterizing social behavior in ASD. En ligne : https://doi.org/10.1002/aur.70284 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=589 [article] Informational and Normative Influence on Conformity in Autism [texte imprimé] / Akiko KOBAYASHI, Auteur ; Takuya MAKINO, Auteur ; Yuka MIZUNO, Auteur ; Hirotaka KOSAKA, Auteur ; Keise IZUMA, Auteur . - p.e70284. Langues : Anglais (eng) in Autism Research > 19-7 (July 2026) . - p.e70284 Mots-clés : autism spectrum disorder  heterogeneity  informational influence  normative influence  social camouflaging  social conformity Index. décimale : PER Périodiques Résumé : ABSTRACT This preregistered study examined whether adults with autism spectrum disorder (ASD) show reduced social conformity and whether any such reduction depends on the type of social influence. Social conformity?the tendency to adjust one's judgments to align with those of others?is typically driven by normative (acceptance-seeking) and informational (accuracy-seeking) motives. Thirty adults with ASD and 30 matched neurotypical (NT) adults completed two tasks: a preference rating task indexing normative influence, and a dot-counting task indexing informational influence with monetary rewards. Contrary to our predictions, adults with ASD conformed as much as NT adults in the preference rating task but showed significantly reduced conformity in the dot-counting task. Exploratory analyses indicated that this reduction was driven by a distinct subgroup of nine adults with ASD who never revised their initial estimates despite informative social cues, resulting in poorer accuracy and lower rewards. When this subgroup was excluded, group differences in conformity were no longer evident. These findings suggest that, overall, adults with ASD are as susceptible as NT adults to normative influence but less responsive to informational influence, highlighting the importance of distinguishing between types of social influence and considering individual differences when characterizing social behavior in ASD. En ligne : https://doi.org/10.1002/aur.70284 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=589

Reduced preference for smooth over rough surfaces in autism spectrum disorder / Kai MAKITA in Research in Autism, 132 (April 2026)  

Public ISBD [article]  inResearch in Autism > 132 (April 2026) . - 202873 Titre : Reduced preference for smooth over rough surfaces in autism spectrum disorder Type de document : texte imprimé Auteurs : Kai MAKITA, Auteur ; Ryo KITADA, Auteur ; Takuya MAKINO, Auteur ; Nodoka SAKAKIHARA, Auteur ; Ayaka FUKUOKA, Auteur ; Yuka MIZUNO, Auteur ; Hirotaka KOSAKA, Auteur Article en page(s) : 202873 Langues : Anglais (eng) Mots-clés : ASD  Touch  Roughness  Emotion  Affect  Psychophysics Résumé : Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social communication deficits, repetitive behaviors and restricted interests. Studies have reported atypical sensory responses in individuals with ASD. While atypical affective responses to being touched by others have been documented, preferences for the physical properties of objects in ASD remain poorly understood. Here, we conducted psychophysical experiments to examine whether individuals with ASD show atypical affective responses to object surfaces varying in smoothness. Forty adults with ASD and 40 typically developed (TD) adults provided magnitude estimates of pleasantness or perceived smoothness while their right fingers or forearm were stimulated with raised-dot surfaces of varying interdot spacing. Magnitude estimates of both perceived pleasantness and perceived smoothness decreased with increasing interdot spacing. The decrease in pleasantness was consistently less steep in the ASD group than in the TD group for both forearm and fingers. In contrast, evidence for group differences in smoothness was limited and insufficient to support a reliable group difference. These findings indicate that, compared with TD adults, adults with ASD may show a reduced preference for smoother over rougher surfaces, highlighting an atypical response to textured surfaces, especially with respect to pleasantness. En ligne : https://doi.org/10.1016/j.reia.2026.202873 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=583 [article] Reduced preference for smooth over rough surfaces in autism spectrum disorder [texte imprimé] / Kai MAKITA, Auteur ; Ryo KITADA, Auteur ; Takuya MAKINO, Auteur ; Nodoka SAKAKIHARA, Auteur ; Ayaka FUKUOKA, Auteur ; Yuka MIZUNO, Auteur ; Hirotaka KOSAKA, Auteur . - 202873. Langues : Anglais (eng) in Research in Autism > 132 (April 2026) . - 202873 Mots-clés : ASD  Touch  Roughness  Emotion  Affect  Psychophysics Résumé : Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social communication deficits, repetitive behaviors and restricted interests. Studies have reported atypical sensory responses in individuals with ASD. While atypical affective responses to being touched by others have been documented, preferences for the physical properties of objects in ASD remain poorly understood. Here, we conducted psychophysical experiments to examine whether individuals with ASD show atypical affective responses to object surfaces varying in smoothness. Forty adults with ASD and 40 typically developed (TD) adults provided magnitude estimates of pleasantness or perceived smoothness while their right fingers or forearm were stimulated with raised-dot surfaces of varying interdot spacing. Magnitude estimates of both perceived pleasantness and perceived smoothness decreased with increasing interdot spacing. The decrease in pleasantness was consistently less steep in the ASD group than in the TD group for both forearm and fingers. In contrast, evidence for group differences in smoothness was limited and insufficient to support a reliable group difference. These findings indicate that, compared with TD adults, adults with ASD may show a reduced preference for smoother over rougher surfaces, highlighting an atypical response to textured surfaces, especially with respect to pleasantness. En ligne : https://doi.org/10.1016/j.reia.2026.202873 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=583

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