Brief Report: Visual Processing of Faces in Individuals with Fragile X Syndrome: An Eye Tracking Study / Faraz FARZIN in Journal of Autism and Developmental Disorders, 39-6 (June 2009)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 39-6 (June 2009) . - p.946-952 Titre : Brief Report: Visual Processing of Faces in Individuals with Fragile X Syndrome: An Eye Tracking Study Type de document : Texte imprimé et/ou numérique Auteurs : Faraz FARZIN, Auteur ; David HESSL, Auteur ; Susan M. RIVERA, Auteur Année de publication : 2009 Article en page(s) : p.946-952 Langues : Anglais (eng) Mots-clés : Face-processing Fragile-X-syndrome FMR1-gene Eye-tracking Pupil-reactivity Index. décimale : PER Périodiques Résumé : Gaze avoidance is a hallmark behavioral feature of fragile X syndrome (FXS), but little is known about whether abnormalities in the visual processing of faces, including disrupted autonomic reactivity, may underlie this behavior. Eye tracking was used to record fixations and pupil diameter while adolescents and young adults with FXS and sex- and age-matched typically developing controls passively viewed photographs of faces containing either a calm, happy, or fearful expression, preceded by a scrambled face matched on luminance. Results provide quantitative evidence for significant differences in gaze patterns and increased pupillary reactivity when individuals with FXS passively view static faces. Such abnormalities have significant implications in terms of understanding causes of gaze avoidance observed in individuals with FXS. En ligne : http://dx.doi.org/10.1007/s10803-009-0744-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=759 [article] Brief Report: Visual Processing of Faces in Individuals with Fragile X Syndrome: An Eye Tracking Study [Texte imprimé et/ou numérique] / Faraz FARZIN, Auteur ; David HESSL, Auteur ; Susan M. RIVERA, Auteur . - 2009 . - p.946-952. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 39-6 (June 2009) . - p.946-952 Mots-clés : Face-processing Fragile-X-syndrome FMR1-gene Eye-tracking Pupil-reactivity Index. décimale : PER Périodiques Résumé : Gaze avoidance is a hallmark behavioral feature of fragile X syndrome (FXS), but little is known about whether abnormalities in the visual processing of faces, including disrupted autonomic reactivity, may underlie this behavior. Eye tracking was used to record fixations and pupil diameter while adolescents and young adults with FXS and sex- and age-matched typically developing controls passively viewed photographs of faces containing either a calm, happy, or fearful expression, preceded by a scrambled face matched on luminance. Results provide quantitative evidence for significant differences in gaze patterns and increased pupillary reactivity when individuals with FXS passively view static faces. Such abnormalities have significant implications in terms of understanding causes of gaze avoidance observed in individuals with FXS. En ligne : http://dx.doi.org/10.1007/s10803-009-0744-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=759

Reliability of Eye Tracking and Pupillometry Measures in Individuals with Fragile X Syndrome / Faraz FARZIN in Journal of Autism and Developmental Disorders, 41-11 (November 2011)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 41-11 (November 2011) . - p.1515-1522 Titre : Reliability of Eye Tracking and Pupillometry Measures in Individuals with Fragile X Syndrome Type de document : Texte imprimé et/ou numérique Auteurs : Faraz FARZIN, Auteur ; Felicia SCAGGS, Auteur ; Crystal HERVEY, Auteur ; Elizabeth BERRY-KRAVIS, Auteur ; David HESSL, Auteur Année de publication : 2011 Article en page(s) : p.1515-1522 Langues : Anglais (eng) Mots-clés : Face processing  Gaze  Fixation  FMR1 gene  fragile X syndrome  Outcome measure  Pharmacotherapy Index. décimale : PER Périodiques Résumé : Recent insight into the underlying molecular and cellular mechanisms of fragile X syndrome (FXS) has led to the proposal and development of new pharmaceutical treatment strategies, and the initiation of clinical trials aimed at correcting core symptoms of the developmental disorder. Consequently, there is an urgent and critical need for outcome measures that are valid for quantifying specific symptoms of FXS and that are consistent across time. We used eye tracking to evaluate test–retest reliability of gaze and pupillometry measures in individuals with FXS and we demonstrate that these measures are viable options for assessing treatment-specific outcomes related to a core behavioral feature of the disorder. En ligne : http://dx.doi.org/10.1007/s10803-011-1176-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=147 [article] Reliability of Eye Tracking and Pupillometry Measures in Individuals with Fragile X Syndrome [Texte imprimé et/ou numérique] / Faraz FARZIN, Auteur ; Felicia SCAGGS, Auteur ; Crystal HERVEY, Auteur ; Elizabeth BERRY-KRAVIS, Auteur ; David HESSL, Auteur . - 2011 . - p.1515-1522. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 41-11 (November 2011) . - p.1515-1522 Mots-clés : Face processing  Gaze  Fixation  FMR1 gene  fragile X syndrome  Outcome measure  Pharmacotherapy Index. décimale : PER Périodiques Résumé : Recent insight into the underlying molecular and cellular mechanisms of fragile X syndrome (FXS) has led to the proposal and development of new pharmaceutical treatment strategies, and the initiation of clinical trials aimed at correcting core symptoms of the developmental disorder. Consequently, there is an urgent and critical need for outcome measures that are valid for quantifying specific symptoms of FXS and that are consistent across time. We used eye tracking to evaluate test–retest reliability of gaze and pupillometry measures in individuals with FXS and we demonstrate that these measures are viable options for assessing treatment-specific outcomes related to a core behavioral feature of the disorder. En ligne : http://dx.doi.org/10.1007/s10803-011-1176-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=147

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