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Do Children and Adults with Autism Spectrum Condition Anticipate Others' Actions as Goal-Directed? A Predictive Coding Perspective / Kerstin GANGLMAYER in Journal of Autism and Developmental Disorders, 50-6 (June 2020)
[article]
Titre : Do Children and Adults with Autism Spectrum Condition Anticipate Others' Actions as Goal-Directed? A Predictive Coding Perspective Type de document : Texte imprimé et/ou numérique Auteurs : Kerstin GANGLMAYER, Auteur ; Tobias SCHUWERK, Auteur ; Beate SODIAN, Auteur ; Markus PAULUS, Auteur Article en page(s) : p.2077-2089 Langues : Anglais (eng) Mots-clés : Autism spectrum condition Cognitive processes Eye-tracking Goal anticipation Predictive coding Social cognition Index. décimale : PER Périodiques Résumé : An action's end state can be anticipated by considering the agent's goal, or simply by projecting the movement trajectory. Theories suggest that individuals with autism spectrum condition (ASC) have difficulties anticipating other's goal-directed actions, caused by an impairment using prior information. We examined whether children, adolescents and adults with and without ASC visually anticipate another's action based on its goal or movement trajectory by presenting participants an agent repeatedly taking different paths to reach the same of two targets. The ASC group anticipated the goal and not just the movement pattern, but needed more time to perform goal-directed anticipations. Results are in line with predictive coding accounts, claiming that the use of prior information is impaired in ASC. En ligne : http://dx.doi.org/10.1007/s10803-019-03964-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=425
in Journal of Autism and Developmental Disorders > 50-6 (June 2020) . - p.2077-2089[article] Do Children and Adults with Autism Spectrum Condition Anticipate Others' Actions as Goal-Directed? A Predictive Coding Perspective [Texte imprimé et/ou numérique] / Kerstin GANGLMAYER, Auteur ; Tobias SCHUWERK, Auteur ; Beate SODIAN, Auteur ; Markus PAULUS, Auteur . - p.2077-2089.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 50-6 (June 2020) . - p.2077-2089
Mots-clés : Autism spectrum condition Cognitive processes Eye-tracking Goal anticipation Predictive coding Social cognition Index. décimale : PER Périodiques Résumé : An action's end state can be anticipated by considering the agent's goal, or simply by projecting the movement trajectory. Theories suggest that individuals with autism spectrum condition (ASC) have difficulties anticipating other's goal-directed actions, caused by an impairment using prior information. We examined whether children, adolescents and adults with and without ASC visually anticipate another's action based on its goal or movement trajectory by presenting participants an agent repeatedly taking different paths to reach the same of two targets. The ASC group anticipated the goal and not just the movement pattern, but needed more time to perform goal-directed anticipations. Results are in line with predictive coding accounts, claiming that the use of prior information is impaired in ASC. En ligne : http://dx.doi.org/10.1007/s10803-019-03964-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=425 Electrophysiological alterations in motor-auditory predictive coding in autism spectrum disorder / T. VAN LAARHOVEN in Autism Research, 12-4 (April 2019)
[article]
Titre : Electrophysiological alterations in motor-auditory predictive coding in autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : T. VAN LAARHOVEN, Auteur ; J. J. STEKELENBURG, Auteur ; Mljm EUSSEN, Auteur ; J. VROOMEN, Auteur Article en page(s) : p.589-599 Langues : Anglais (eng) Mots-clés : ERPs autism spectrum disorder motor-auditory predictive coding Index. décimale : PER Périodiques Résumé : The amplitude of the auditory N1 component of the event-related potential (ERP) is typically attenuated for self-initiated sounds, compared to sounds with identical acoustic and temporal features that are triggered externally. This effect has been ascribed to internal forward models predicting the sensory consequences of one's own motor actions. The predictive coding account of autistic symptomatology states that individuals with autism spectrum disorder (ASD) have difficulties anticipating upcoming sensory stimulation due to a decreased ability to infer the probabilistic structure of their environment. Without precise internal forward prediction models to rely on, perception in ASD could be less affected by prior expectations and more driven by sensory input. Following this reasoning, one would expect diminished attenuation of the auditory N1 due to self-initiation in individuals with ASD. Here, we tested this hypothesis by comparing the neural response to self- versus externally-initiated tones between a group of individuals with ASD and a group of age matched neurotypical controls. ERPs evoked by tones initiated via button-presses were compared with ERPs evoked by the same tones replayed at identical pace. Significant N1 attenuation effects were only found in the TD group. Self-initiation of the tones did not attenuate the auditory N1 in the ASD group, indicating that they may be unable to anticipate the auditory sensory consequences of their own motor actions. These results show that individuals with ASD have alterations in sensory attenuation of self-initiated sounds, and support the notion of impaired predictive coding as a core deficit underlying autistic symptomatology. Autism Res 2019, 12: 589-599. (c) 2019 The Authors. Autism Research published by International Society for Autism Research published by Wiley Periodicals, Inc. LAY SUMMARY: Many individuals with ASD experience difficulties in processing sensory information (for example, increased sensitivity to sound). Here we show that these difficulties may be related to an inability to anticipate upcoming sensory stimulation. Our findings contribute to a better understanding of the neural mechanisms underlying the different sensory perception experienced by individuals with ASD. En ligne : https://dx.doi.org/10.1002/aur.2087 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388
in Autism Research > 12-4 (April 2019) . - p.589-599[article] Electrophysiological alterations in motor-auditory predictive coding in autism spectrum disorder [Texte imprimé et/ou numérique] / T. VAN LAARHOVEN, Auteur ; J. J. STEKELENBURG, Auteur ; Mljm EUSSEN, Auteur ; J. VROOMEN, Auteur . - p.589-599.
Langues : Anglais (eng)
in Autism Research > 12-4 (April 2019) . - p.589-599
Mots-clés : ERPs autism spectrum disorder motor-auditory predictive coding Index. décimale : PER Périodiques Résumé : The amplitude of the auditory N1 component of the event-related potential (ERP) is typically attenuated for self-initiated sounds, compared to sounds with identical acoustic and temporal features that are triggered externally. This effect has been ascribed to internal forward models predicting the sensory consequences of one's own motor actions. The predictive coding account of autistic symptomatology states that individuals with autism spectrum disorder (ASD) have difficulties anticipating upcoming sensory stimulation due to a decreased ability to infer the probabilistic structure of their environment. Without precise internal forward prediction models to rely on, perception in ASD could be less affected by prior expectations and more driven by sensory input. Following this reasoning, one would expect diminished attenuation of the auditory N1 due to self-initiation in individuals with ASD. Here, we tested this hypothesis by comparing the neural response to self- versus externally-initiated tones between a group of individuals with ASD and a group of age matched neurotypical controls. ERPs evoked by tones initiated via button-presses were compared with ERPs evoked by the same tones replayed at identical pace. Significant N1 attenuation effects were only found in the TD group. Self-initiation of the tones did not attenuate the auditory N1 in the ASD group, indicating that they may be unable to anticipate the auditory sensory consequences of their own motor actions. These results show that individuals with ASD have alterations in sensory attenuation of self-initiated sounds, and support the notion of impaired predictive coding as a core deficit underlying autistic symptomatology. Autism Res 2019, 12: 589-599. (c) 2019 The Authors. Autism Research published by International Society for Autism Research published by Wiley Periodicals, Inc. LAY SUMMARY: Many individuals with ASD experience difficulties in processing sensory information (for example, increased sensitivity to sound). Here we show that these difficulties may be related to an inability to anticipate upcoming sensory stimulation. Our findings contribute to a better understanding of the neural mechanisms underlying the different sensory perception experienced by individuals with ASD. En ligne : https://dx.doi.org/10.1002/aur.2087 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388 A Predictive Coding Account of Psychotic Symptoms in Autism Spectrum Disorder / Gerrit I. VAN SCHALKWYK in Journal of Autism and Developmental Disorders, 47-5 (May 2017)
[article]
Titre : A Predictive Coding Account of Psychotic Symptoms in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Gerrit I. VAN SCHALKWYK, Auteur ; Fred R. VOLKMAR, Auteur ; Philip R. CORLETT, Auteur Article en page(s) : p.1323-1340 Langues : Anglais (eng) Mots-clés : Predictive coding ASD and psychosis ASD and schizophrenia Index. décimale : PER Périodiques Résumé : The co-occurrence of psychotic and autism spectrum disorder (ASD) symptoms represents an important clinical challenge. Here we consider this problem in the context of a computational psychiatry approach that has been applied to both conditions—predictive coding. Some symptoms of schizophrenia have been explained in terms of a failure of top–down predictions or an enhanced weighting of bottom–up prediction errors. Likewise, autism has been explained in terms of similar perturbations. We suggest that this theoretical overlap may explain overlapping symptomatology. Experimental evidence highlights meaningful distinctions and consistencies between these disorders. We hypothesize individuals with ASD may experience some degree of delusions without the presence of any additional impairment, but that hallucinations are likely indicative of a distinct process. En ligne : http://dx.doi.org/10.1007/s10803-017-3065-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305
in Journal of Autism and Developmental Disorders > 47-5 (May 2017) . - p.1323-1340[article] A Predictive Coding Account of Psychotic Symptoms in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Gerrit I. VAN SCHALKWYK, Auteur ; Fred R. VOLKMAR, Auteur ; Philip R. CORLETT, Auteur . - p.1323-1340.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 47-5 (May 2017) . - p.1323-1340
Mots-clés : Predictive coding ASD and psychosis ASD and schizophrenia Index. décimale : PER Périodiques Résumé : The co-occurrence of psychotic and autism spectrum disorder (ASD) symptoms represents an important clinical challenge. Here we consider this problem in the context of a computational psychiatry approach that has been applied to both conditions—predictive coding. Some symptoms of schizophrenia have been explained in terms of a failure of top–down predictions or an enhanced weighting of bottom–up prediction errors. Likewise, autism has been explained in terms of similar perturbations. We suggest that this theoretical overlap may explain overlapping symptomatology. Experimental evidence highlights meaningful distinctions and consistencies between these disorders. We hypothesize individuals with ASD may experience some degree of delusions without the presence of any additional impairment, but that hallucinations are likely indicative of a distinct process. En ligne : http://dx.doi.org/10.1007/s10803-017-3065-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305 Acquisition and Use of 'Priors' in Autism: Typical in Deciding Where to Look, Atypical in Deciding What Is There / F. ALLENMARK in Journal of Autism and Developmental Disorders, 51-10 (October 2021)
[article]
Titre : Acquisition and Use of 'Priors' in Autism: Typical in Deciding Where to Look, Atypical in Deciding What Is There Type de document : Texte imprimé et/ou numérique Auteurs : F. ALLENMARK, Auteur ; Z. SHI, Auteur ; R. L. PISTORIUS, Auteur ; L. A. THEISINGER, Auteur ; N. KOUTSOULERIS, Auteur ; P. FALKAI, Auteur ; H. J. MÜLLER, Auteur ; C. M. FALTER-WAGNER, Auteur Article en page(s) : p.3744-3758 Langues : Anglais (eng) Mots-clés : Attention Autism Spectrum Disorder Autistic Disorder Humans Knowledge Learning Reaction Time Predictive coding Visual attention Visual search Index. décimale : PER Périodiques Résumé : Individuals with Autism Spectrum Disorder (ASD) are thought to under-rely on prior knowledge in perceptual decision-making. This study examined whether this applies to decisions of attention allocation, of relevance for 'predictive-coding' accounts of ASD. In a visual search task, a salient but task-irrelevant distractor appeared with higher probability in one display half. Individuals with ASD learned to avoid 'attentional capture' by distractors in the probable region as effectively as control participants-indicating typical priors for deploying attention. However, capture by a 'surprising' distractor at an unlikely location led to greatly slowed identification of a subsequent target at that location-indicating that individuals with ASD attempt to control surprise (unexpected attentional capture) by over-regulating parameters in post-selective decision-making. En ligne : http://dx.doi.org/10.1007/s10803-020-04828-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=453
in Journal of Autism and Developmental Disorders > 51-10 (October 2021) . - p.3744-3758[article] Acquisition and Use of 'Priors' in Autism: Typical in Deciding Where to Look, Atypical in Deciding What Is There [Texte imprimé et/ou numérique] / F. ALLENMARK, Auteur ; Z. SHI, Auteur ; R. L. PISTORIUS, Auteur ; L. A. THEISINGER, Auteur ; N. KOUTSOULERIS, Auteur ; P. FALKAI, Auteur ; H. J. MÜLLER, Auteur ; C. M. FALTER-WAGNER, Auteur . - p.3744-3758.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 51-10 (October 2021) . - p.3744-3758
Mots-clés : Attention Autism Spectrum Disorder Autistic Disorder Humans Knowledge Learning Reaction Time Predictive coding Visual attention Visual search Index. décimale : PER Périodiques Résumé : Individuals with Autism Spectrum Disorder (ASD) are thought to under-rely on prior knowledge in perceptual decision-making. This study examined whether this applies to decisions of attention allocation, of relevance for 'predictive-coding' accounts of ASD. In a visual search task, a salient but task-irrelevant distractor appeared with higher probability in one display half. Individuals with ASD learned to avoid 'attentional capture' by distractors in the probable region as effectively as control participants-indicating typical priors for deploying attention. However, capture by a 'surprising' distractor at an unlikely location led to greatly slowed identification of a subsequent target at that location-indicating that individuals with ASD attempt to control surprise (unexpected attentional capture) by over-regulating parameters in post-selective decision-making. En ligne : http://dx.doi.org/10.1007/s10803-020-04828-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=453 Priors Bias Perceptual Decisions in Autism, But Are Less Flexibly Adjusted to the Context / L. A. SAPEY-TRIOMPHE in Autism Research, 14-6 (June 2021)
[article]
Titre : Priors Bias Perceptual Decisions in Autism, But Are Less Flexibly Adjusted to the Context Type de document : Texte imprimé et/ou numérique Auteurs : L. A. SAPEY-TRIOMPHE, Auteur ; L. TIMMERMANS, Auteur ; J. WAGEMANS, Auteur Article en page(s) : p.1134-1146 Langues : Anglais (eng) Mots-clés : Adult Autism Spectrum Disorder/complications Autistic Disorder Humans Learning Reproducibility of Results Visual Perception autism contraction bias inflexibility learning predictive coding prior time-order effect Index. décimale : PER Périodiques Résumé : According to the predictive coding framework, percepts emerge from combinations of sensory input and prior knowledge, whose relative contributions depend on their reliability. Recent predictive coding theories suggest that Autism Spectrum Disorder (ASD) could be characterized by an atypical weighting of priors. Here, we assessed whether individuals with ASD can flexibly adjust the weight (precision) of the prior to the context. Thirty-one neurotypical adults (NT) and 26 adults with ASD participated in a visual discrimination task designed to elicit a time-order effect (TOE). The TOE reflects the integration of priors with sensory estimates. We used two experimental contexts: a narrow stimulus range (Narrow condition) and a broader range (Broad condition) in order to induce a prior with a higher and lower precision, respectively. Both groups learned a prior that biased their perception, as shown with the TOE. As expected, the NT group had a larger TOE in the Narrow condition than in the Broad condition, revealing a contextual adjustment of the prior precision. In contrast, ASD participants were more inflexible: the extent of the TOE was not modulated by the context. In addition, the accuracy increased when the stimulus range decreased in both group, which may be interpreted as a contextual adjustment of the sensory precision. To conclude, adults with and without ASD implicitly learned a prior mean, but ASD participants failed to flexibly adjust the prior precision to the context. This increased inflexibility in ASD could account for many symptoms, such as their intolerance of uncertainty. LAY SUMMARY: Based on our experience, we have expectations about our environment. Theories suggest that the symptoms encountered in autism could be due to atypical expectations, leading to an impression of an unpredictable world. Using a visual discrimination task, we showed that adults with and without autism were biased by their expectations. Yet, the extent to which expectations biased perception did not depend on the context in autism. This higher inflexibility found in autism may explain symptoms such as resistance to change. En ligne : http://dx.doi.org/10.1002/aur.2452 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=449
in Autism Research > 14-6 (June 2021) . - p.1134-1146[article] Priors Bias Perceptual Decisions in Autism, But Are Less Flexibly Adjusted to the Context [Texte imprimé et/ou numérique] / L. A. SAPEY-TRIOMPHE, Auteur ; L. TIMMERMANS, Auteur ; J. WAGEMANS, Auteur . - p.1134-1146.
Langues : Anglais (eng)
in Autism Research > 14-6 (June 2021) . - p.1134-1146
Mots-clés : Adult Autism Spectrum Disorder/complications Autistic Disorder Humans Learning Reproducibility of Results Visual Perception autism contraction bias inflexibility learning predictive coding prior time-order effect Index. décimale : PER Périodiques Résumé : According to the predictive coding framework, percepts emerge from combinations of sensory input and prior knowledge, whose relative contributions depend on their reliability. Recent predictive coding theories suggest that Autism Spectrum Disorder (ASD) could be characterized by an atypical weighting of priors. Here, we assessed whether individuals with ASD can flexibly adjust the weight (precision) of the prior to the context. Thirty-one neurotypical adults (NT) and 26 adults with ASD participated in a visual discrimination task designed to elicit a time-order effect (TOE). The TOE reflects the integration of priors with sensory estimates. We used two experimental contexts: a narrow stimulus range (Narrow condition) and a broader range (Broad condition) in order to induce a prior with a higher and lower precision, respectively. Both groups learned a prior that biased their perception, as shown with the TOE. As expected, the NT group had a larger TOE in the Narrow condition than in the Broad condition, revealing a contextual adjustment of the prior precision. In contrast, ASD participants were more inflexible: the extent of the TOE was not modulated by the context. In addition, the accuracy increased when the stimulus range decreased in both group, which may be interpreted as a contextual adjustment of the sensory precision. To conclude, adults with and without ASD implicitly learned a prior mean, but ASD participants failed to flexibly adjust the prior precision to the context. This increased inflexibility in ASD could account for many symptoms, such as their intolerance of uncertainty. LAY SUMMARY: Based on our experience, we have expectations about our environment. Theories suggest that the symptoms encountered in autism could be due to atypical expectations, leading to an impression of an unpredictable world. Using a visual discrimination task, we showed that adults with and without autism were biased by their expectations. Yet, the extent to which expectations biased perception did not depend on the context in autism. This higher inflexibility found in autism may explain symptoms such as resistance to change. En ligne : http://dx.doi.org/10.1002/aur.2452 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=449 Structural and contextual priors affect visual search in children with and without autism / S. VAN DE CRUYS in Autism Research, 14-7 (July 2021)
PermalinkAtypical perception in autism: A failure of perceptual specialization? / Bat-Sheva HADAD in Autism Research, 10-9 (September 2017)
PermalinkIncreased context adjustment is associated with auditory sensitivities but not with autistic traits / Roshini RANDENIYA in Autism Research, 15-8 (August 2022)
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