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Improving social gaze behavior in fragile X syndrome using a behavioral skills training approach: a proof of concept study.

ABSTRACT: BACKGROUND:Individuals diagnosed with fragile X syndrome (FXS), the most common known inherited form of intellectual disability, commonly exhibit significant impairments in social gaze behavior during interactions with others. Although this behavior can restrict social development and limit educational opportunities, behavioral interventions designed to improve social gaze behavior have not been developed for this population. In this proof of concept (PoC) study, we examined whether administering a behavioral skills training package-discrete trial instruction (DTI) plus relaxation training-could increase social gaze duration in males with FXS. METHODS:As part of a larger clinical trial, 20 boys with FXS, aged 8 to 18 years, were randomized to receive DTI plus relaxation training administered at one of two prescribed doses over a 2-day period at our research center. Potential improvements in social gaze behavior were evaluated by direct observations conducted across trials during the training, and generalization effects were examined by administering a social challenge before and after the treatment. During the social challenge, social gaze behavior was recorded using an eye tracker and physiological arousal levels were simultaneously recorded by monitoring the child's heart rate. RESULTS:Levels of social gaze behavior increased significantly across blocks of training trials for six (60%) boys who received the high-dose behavioral treatment and for three (30%) boys who received the low-dose behavioral treatment. Boys who received the high-dose treatment also showed greater improvements in social gaze behavior during the social challenge compared to boys who received the low-dose treatment. There was no effect of the treatment on physiological arousal levels recorded on the heart rate monitor at either dose. CONCLUSIONS:These results suggest that appropriate social gaze behavior can be successfully taught to boys with FXS using a standardized behavioral skills training approach. Future studies will need to evaluate whether younger children with FXS might benefit from this treatment, and/or whether more naturalistic forms of behavioral skills training might be beneficial, before social gaze avoidance becomes established in the child's repertoire. TRIAL REGISTRATION:ClinicalTrials.gov, NCT02616796 . Registered 30 November 2015.

SUBMITTER: Gannon CE

PROVIDER: S-EPMC6114729 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Improving social gaze behavior in fragile X syndrome using a behavioral skills training approach: a proof of concept study.

Gannon Caitlin E CE Britton Tobias C TC Wilkinson Ellen H EH Hall Scott S SS

Journal of neurodevelopmental disorders 20180828 1

<h4>Background</h4>Individuals diagnosed with fragile X syndrome (FXS), the most common known inherited form of intellectual disability, commonly exhibit significant impairments in social gaze behavior during interactions with others. Although this behavior can restrict social development and limit educational opportunities, behavioral interventions designed to improve social gaze behavior have not been developed for this population. In this proof of concept (PoC) study, we examined whether admi ...[more]

PMID: 30153790

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Improving social gaze behavior in fragile X syndrome using a behavioral skills training approach: a proof of concept study.

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Improving social gaze behavior in fragile X syndrome using a behavioral skills training approach: a proof of concept study.

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