332 recherche sur le mot-clé 'Visual-imagery'

Source localization of brain electric field frequency bands during conscious, spontaneous, visual imagery and abstract thought / D. LEHMANN in Cognitive Brain Research, 1-4 (December 1993)

Public ISBD [article]  inCognitive Brain Research > 1-4 (December 1993) . - p.203-210 Titre : Source localization of brain electric field frequency bands during conscious, spontaneous, visual imagery and abstract thought Type de document : texte imprimé Auteurs : D. LEHMANN, Auteur ; B. HENGGELER, Auteur ; M. KOUKKOU, Auteur ; C.M. MICHEL, Auteur Année de publication : 1993 Article en page(s) : p.203-210 Langues : Anglais (eng) Mots-clés : Source-localization EEG-frequency-band Mentation-class Consciousness Spontaneous-thought Visual-imagery Index. décimale : PER Périodiques Résumé : This paper addresses the issue of mind-brain correspondence, using a novel way to reduce brain electric field data in the frequency domain to estimates of intracerebral model source locations, and applying this method to brain electric data collected during the 2-s epochs immediately before the randomly solicited reports of spontaneous, conscious, covert experiences from 12 normal volunteers. The mentation reports were classified into visual imagery and abstract thought. The mean locations of the EEG model sources associated with abstract thoughts were generally more anterior and deeper than those of visual imagery, particularly significant for the delta/theta band; the finding was common across subjects. Thus, different brain functional states involving different geometries of activated neural populations exist during conscious, spontaneous, task-free mentations of the visual imagery type and of the abstract thought type. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=781 [article] Source localization of brain electric field frequency bands during conscious, spontaneous, visual imagery and abstract thought [texte imprimé] / D. LEHMANN, Auteur ; B. HENGGELER, Auteur ; M. KOUKKOU, Auteur ; C.M. MICHEL, Auteur . - 1993 . - p.203-210. Langues : Anglais (eng) in Cognitive Brain Research > 1-4 (December 1993) . - p.203-210 Mots-clés : Source-localization EEG-frequency-band Mentation-class Consciousness Spontaneous-thought Visual-imagery Index. décimale : PER Périodiques Résumé : This paper addresses the issue of mind-brain correspondence, using a novel way to reduce brain electric field data in the frequency domain to estimates of intracerebral model source locations, and applying this method to brain electric data collected during the 2-s epochs immediately before the randomly solicited reports of spontaneous, conscious, covert experiences from 12 normal volunteers. The mentation reports were classified into visual imagery and abstract thought. The mean locations of the EEG model sources associated with abstract thoughts were generally more anterior and deeper than those of visual imagery, particularly significant for the delta/theta band; the finding was common across subjects. Thus, different brain functional states involving different geometries of activated neural populations exist during conscious, spontaneous, task-free mentations of the visual imagery type and of the abstract thought type. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=781

The effects of inferior temporal and dorsolateral frontal lesions on serial-order behavior and visual imagery in monkeys / Michael COLOMBO in Cognitive Brain Research, 1-4 (December 1993)

Public ISBD [article]  inCognitive Brain Research > 1-4 (December 1993) . - p.211-217 Titre : The effects of inferior temporal and dorsolateral frontal lesions on serial-order behavior and visual imagery in monkeys Type de document : texte imprimé Auteurs : Michael COLOMBO, Auteur ; Anne E. EICKHOFF, Auteur ; Charles G. GROSS, Auteur Année de publication : 1993 Article en page(s) : p.211-217 Langues : Anglais (eng) Mots-clés : Inferior-temporal-cortex Dorsolateral-frontal-cortex Serial-order-behavior Visual-imagery Index. décimale : PER Périodiques Résumé : Four monkeys were trained preoperatively on a serial-order task to respond to a set of five visual stimuli in a fixed sequence independent of their location. They were then given a test of visual imagery in which only two of the five stimuli appeared at a time, and the animals were required to respond to them in the order in which they appeared in the original sequence. The monkeys then received bilateral lesions of either inferior temporal cortex or dorsolateral frontal cortex. Dorsolateral frontal lesions had no effect on either serial-order behavior or visual imagery. In contrast, inferior temporal lesions severely impaired serial-order behavior. Once the serial-order task was relearned, however, the inferior temporal animals were completely normal on the test of visual imagery. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=782 [article] The effects of inferior temporal and dorsolateral frontal lesions on serial-order behavior and visual imagery in monkeys [texte imprimé] / Michael COLOMBO, Auteur ; Anne E. EICKHOFF, Auteur ; Charles G. GROSS, Auteur . - 1993 . - p.211-217. Langues : Anglais (eng) in Cognitive Brain Research > 1-4 (December 1993) . - p.211-217 Mots-clés : Inferior-temporal-cortex Dorsolateral-frontal-cortex Serial-order-behavior Visual-imagery Index. décimale : PER Périodiques Résumé : Four monkeys were trained preoperatively on a serial-order task to respond to a set of five visual stimuli in a fixed sequence independent of their location. They were then given a test of visual imagery in which only two of the five stimuli appeared at a time, and the animals were required to respond to them in the order in which they appeared in the original sequence. The monkeys then received bilateral lesions of either inferior temporal cortex or dorsolateral frontal cortex. Dorsolateral frontal lesions had no effect on either serial-order behavior or visual imagery. In contrast, inferior temporal lesions severely impaired serial-order behavior. Once the serial-order task was relearned, however, the inferior temporal animals were completely normal on the test of visual imagery. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=782

Thinking in Pictures as a Cognitive Account of Autism / Maithilee KUNDA in Journal of Autism and Developmental Disorders, 41-9 (September 2011)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 41-9 (September 2011) . - p.1157-1177 Titre : Thinking in Pictures as a Cognitive Account of Autism Type de document : texte imprimé Auteurs : Maithilee KUNDA, Auteur ; Ashok K. GOEL, Auteur Année de publication : 2011 Article en page(s) : p.1157-1177 Langues : Anglais (eng) Mots-clés : Autism  Cognition  Information processing  Mental imagery  Verbal representations  Visual representations  Visual reasoning Index. décimale : PER Périodiques Résumé : We analyze the hypothesis that some individuals on the autism spectrum may use visual mental representations and processes to perform certain tasks that typically developing individuals perform verbally. We present a framework for interpreting empirical evidence related to this “Thinking in Pictures” hypothesis and then provide comprehensive reviews of data from several different cognitive tasks, including the n-back task, serial recall, dual task studies, Raven’s Progressive Matrices, semantic processing, false belief tasks, visual search, spatial recall, and visual recall. We also discuss the relationships between the Thinking in Pictures hypothesis and other cognitive theories of autism including Mindblindness, Executive Dysfunction, Weak Central Coherence, and Enhanced Perceptual Functioning. En ligne : http://dx.doi.org/10.1007/s10803-010-1137-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=142 [article] Thinking in Pictures as a Cognitive Account of Autism [texte imprimé] / Maithilee KUNDA, Auteur ; Ashok K. GOEL, Auteur . - 2011 . - p.1157-1177. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 41-9 (September 2011) . - p.1157-1177 Mots-clés : Autism  Cognition  Information processing  Mental imagery  Verbal representations  Visual representations  Visual reasoning Index. décimale : PER Périodiques Résumé : We analyze the hypothesis that some individuals on the autism spectrum may use visual mental representations and processes to perform certain tasks that typically developing individuals perform verbally. We present a framework for interpreting empirical evidence related to this “Thinking in Pictures” hypothesis and then provide comprehensive reviews of data from several different cognitive tasks, including the n-back task, serial recall, dual task studies, Raven’s Progressive Matrices, semantic processing, false belief tasks, visual search, spatial recall, and visual recall. We also discuss the relationships between the Thinking in Pictures hypothesis and other cognitive theories of autism including Mindblindness, Executive Dysfunction, Weak Central Coherence, and Enhanced Perceptual Functioning. En ligne : http://dx.doi.org/10.1007/s10803-010-1137-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=142

Accurate or Assumed: Visual Learning in Children with ASD / David TREMBATH in Journal of Autism and Developmental Disorders, 45-10 (October 2015)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 45-10 (October 2015) . - p.3276-3287 Titre : Accurate or Assumed: Visual Learning in Children with ASD Type de document : texte imprimé Auteurs : David TREMBATH, Auteur ; Giacomo VIVANTI, Auteur ; Teresa IACONO, Auteur ; Cheryl DISSANAYAKE, Auteur Article en page(s) : p.3276-3287 Langues : Anglais (eng) Mots-clés : Autism  Augmentative communication  AAC  Visual attention Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorder (ASD) are often described as visual learners. We tested this assumption in an experiment in which 25 children with ASD, 19 children with global developmental delay (GDD), and 17 typically developing (TD) children were presented a series of videos via an eye tracker in which an actor instructed them to manipulate objects in speech-only and speech + pictures conditions. We found no group differences in visual attention to the stimuli. The GDD and TD groups performed better when pictures were available, whereas the ASD group did not. Performance of children with ASD and GDD was positively correlated with visual attention and receptive language. We found no evidence of a prominent visual learning style in the ASD group. En ligne : http://dx.doi.org/10.1007/s10803-015-2488-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=267 [article] Accurate or Assumed: Visual Learning in Children with ASD [texte imprimé] / David TREMBATH, Auteur ; Giacomo VIVANTI, Auteur ; Teresa IACONO, Auteur ; Cheryl DISSANAYAKE, Auteur . - p.3276-3287. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 45-10 (October 2015) . - p.3276-3287 Mots-clés : Autism  Augmentative communication  AAC  Visual attention Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorder (ASD) are often described as visual learners. We tested this assumption in an experiment in which 25 children with ASD, 19 children with global developmental delay (GDD), and 17 typically developing (TD) children were presented a series of videos via an eye tracker in which an actor instructed them to manipulate objects in speech-only and speech + pictures conditions. We found no group differences in visual attention to the stimuli. The GDD and TD groups performed better when pictures were available, whereas the ASD group did not. Performance of children with ASD and GDD was positively correlated with visual attention and receptive language. We found no evidence of a prominent visual learning style in the ASD group. En ligne : http://dx.doi.org/10.1007/s10803-015-2488-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=267

Acquisition and Use of 'Priors' in Autism: Typical in Deciding Where to Look, Atypical in Deciding What Is There / Fredrik ALLENMARK in Journal of Autism and Developmental Disorders, 51-10 (October 2021)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 51-10 (October 2021) . - p.3744-3758 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 Auteurs : Fredrik ALLENMARK, Auteur ; Zhuanghua SHI, Auteur ; Rasmus L. PISTORIUS, Auteur ; Laura A. THEISINGER, Auteur ; Nikolaos KOUTSOULERIS, Auteur ; P. FALKAI, Auteur ; Hermann J. MÜLLER, Auteur ; Christine 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 [article] Acquisition and Use of 'Priors' in Autism: Typical in Deciding Where to Look, Atypical in Deciding What Is There [texte imprimé] / Fredrik ALLENMARK, Auteur ; Zhuanghua SHI, Auteur ; Rasmus L. PISTORIUS, Auteur ; Laura A. THEISINGER, Auteur ; Nikolaos KOUTSOULERIS, Auteur ; P. FALKAI, Auteur ; Hermann J. MÜLLER, Auteur ; Christine 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

Age-Related Changes in Conjunctive Visual Search in Children with and without ASD / Grace IAROCCI in Autism Research, 7-2 (April 2014)  

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Age trends in visual exploration of social and nonsocial information in children with autism / Jed T. ELISON in Research in Autism Spectrum Disorders, 6-2 (April-June 2012)  

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Allocentric Versus Egocentric Spatial Memory in Adults with Autism Spectrum Disorder / Melanie RING in Journal of Autism and Developmental Disorders, 48-6 (June 2018)  

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Alpha modulation during working memory encoding predicts neurocognitive impairment in ADHD / Agatha LENARTOWICZ in Journal of Child Psychology and Psychiatry, 60-8 (August 2019)  

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Alterations in Rapid Social Evaluations in Individuals with High Autism Traits / Casey BECKER in Journal of Autism and Developmental Disorders, 51-10 (October 2021)  

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